映像情報メディア学会

日本神経科学会

Society for Neuroscience (SfN)

電気学会   センサ・マイクロマシン部門委員会 幹事  

2016   

SSDM   Program Committee Member  

2016   

電気学会   エレクトロバイオロジー調査専門委員会 幹事  

2016   

Electronics Letters誌   Subject Editor (Biomedical Technology)  

2015.12   

電気学会   神経工学に関連する各種要素技術調査専門委員会 委員  

2014 - 2017   

映像情報メディア学会   編集企画委員会 企画幹事  

2013 - 2017   

映像情報メディア学会   情報センシング研究委員会委員  

2013 - 2017   

電気学会   統合化バイオサーキット技術調査専門委員会 委員  

2013 - 2016   

日本学術振興会   薄膜第131 委員会 企画委員  

2012   

電気学会   平成25 年全国大会グループ委員会11グループ 幹事  

2012 - 2013   

電気学会   ニューロ・エンジニアリング技術調査専門委員会 委員  

2011 - 2013   

電気学会   半導体生体インターフェース技術調査専門委員会 委員  

2010 - 2012   

電気学会   論文委員会(E グループ) 委員  

2008   

電気学会   神経工学技術調査専門委員会 委員  

2008 - 2010   

応用物理学会   プログラム編集委員(12.7担当)  

2008 - 2010   

応用物理学会   分子・バイオエレクトロニクス分科会 幹事 (2006-2010)  

2006 - 2010   

電気学会   インテリジェントバイオチップ技術調査専門委員会 幹事 (2006-2008)  

2006 - 2008   

Optogenetic induction of hibernation-like state with modified human Opsin4 in mice

Tohru M. Takahashi, Arisa Hirano, Takeshi Kanda, Viviane M. Saito, Hiroto Ashitomi, Kazumasa Z. Tanaka, Yasufumi Yokoshiki, Kosaku Masuda, Masashi Yanagisawa, Kaspar E. Vogt, Takashi Tokuda, Takeshi Sakurai

Cell Reports Methods   2 ( 11 )   100336 - 100336   2022.11

Improving Performance of Odor Biosensor System Using Olfactory Receptor

Yokoshiki Yasufumi, Nagayoshi Keito, Mitsuno Hidefumi, Niki Sawako, Kanzaki Ryohei, Tokuda Takashi, Nakamoto Takamichi

Sensors and Materials   34 ( 4 )   1617   2022.4

DNA Optical Readout Methods

Takashi Tokuda, Jun Ohta

Handbook of Biochips   589 - 600   2022

CMOS-based distributed implantable brain interface device

Takashi Tokuda

2022 20TH IEEE INTERREGIONAL NEWCAS CONFERENCE (NEWCAS)   2022

AC power supply circuit architecture for a miniaturised retinal prosthesis device

Yasuto Mori, Chang Chia‐Chi, Hiroki Endo, Maho Hata, Kenzo Shodo, Yasuo Terasawa, Toshihiko Noda, Takashi Tokuda, Makito Haruta, Hiroyuki Tashiro, Kiyotaka Sasagawa, Jun Ohta

The Journal of Engineering   2021 ( 10 )   546 - 551   2021.10

セラミック基板を用いた人工視覚用多電極CMOSデバイスの試作

笹川, 清隆, 森, 康登, 春田, 牧人, 鐘堂, 健三, 寺澤, 靖雄, 竹原, 浩成, 田代, 洋行, 野田, 俊彦, 德田, 崇, 太田, 淳

2021.6

Wearable and Battery-Free Health-Monitoring Devices With Optical Power Transfer

Nattakarn Wuthibenjaphonchai, Makito Haruta, Kiyotaka Sasagawa, Takashi Tokuda, Sandro Carrara, Jun Ohta

IEEE Sensors Journal   21 ( 7 )   9402 - 9412   2021.4

Optical Powering Platform for Ultra-Small Implantable Devices

Tokuda Takashi, Yokoshiki Yasufumi, Takehara Hironari, Haruta Makito, Sasagawa Kiyotaka, Ohta Jun

IEEJ Transactions on Sensors and Micromachines   141 ( 3 )   63 - 70   2021.3

Optoelectronic neural interface device based on distributed CMOS architecture

Matsuoka Satoshi, Yokoshiki Yasufumi, Tokuda Takashi

JSAP Annual Meetings Extended Abstracts   2021.1   2217 - 2217   2021.2

Micro-LED Array-Based Photo-Stimulation Devices for Optogenetics in Rat and Macaque Monkey Brains

Yasumi Ohta, Mark Christian Guinto, Takashi Tokuda, Mamiko Kawahara, Makito Haruta, Hironari Takehara, Hiroyuki Tashiro, Kiyotaka Sasagawa, Hirotaka Onoe, Reona Yamaguchi, Yoshinori Koshimizu, Kaoru Isa, Tadashi Isa, Kenta Kobayashi, Yasemin M. Akay, Metin Akay, Jun Ohta

IEEE Access   9   127937 - 127949   2021

CMOS-Based Neural Interface Device for Optogenetics. International journal

Takashi Tokuda, Makito Haruta, Kiyotaka Sasagawa, Jun Ohta

Advances in experimental medicine and biology   1293   585 - 600   2021

Editorial: Microelectronic Implants for Central and Peripheral Nervous System: Overview of Circuit and System Technology

Takashi Tokuda

FRONTIERS IN NEUROSCIENCE   2021

CMOS-based Implantable Optical Sensor and Stimulators

Takashi Tokuda

2021 INTERNATIONAL SYMPOSIUM ON VLSI DESIGN, AUTOMATION AND TEST (VLSI-DAT)   2021

Guest Editorial: Special Issue on Selected Papers from IEEE BioCAS 2019

Jun Ohta, Benoit Gosselin, Takashi Tokuda

IEEE Transactions on Biomedical Circuits and Systems   14 ( 4 )   634 - 635   2020.8

Photoactivatable oncolytic adenovirus for optogenetic cancer therapy

Yasuko Hagihara, Ayaka Sakamoto, Takashi Tokuda, Tomoki Yamashita, Sena Ikemoto, Ayaka Kimura, Makito Haruta, Kiyotaka Sasagawa, Jun Ohta, Kazuo Takayama, Hiroyuki Mizuguchi

Cell Death and Disease   11 ( 7 )   2020.7

Improved Charge Pump Design and Ex Vivo Experimental Validation of CMOS 256-Pixel Photovoltaic-Powered Subretinal Prosthetic Chip Reviewed International coauthorship International journal

Po Han Kuo, Oi Ying Wong, Chi Kuan Tzeng, Pu Wei Wu, Chuan Chin Chiao, Po Hung Chen, Po Chun Chen, Yueh Chun Tsai, Fang Liang Chu, Jun Ohta, Takashi Tokuda, Toshihiko Noda, Chung Yu Wu

IEEE Transactions on Biomedical Engineering   67 ( 5 )   1490 - 1504   2020.5

Image refocusing of miniature CMOS image sensor with angle-selective pixels

Kenji Sugie, Kiyotaka Sasagawa, Mark Christian Guinto, Makito Haruta, Takashi Tokuda, Jun Ohta

Optics InfoBase Conference Papers   Part F177-Microscopy-2020   2020

Needle-Type Imager Sensor With Band-Pass Composite Emission Filter and Parallel Fiber-Coupled Laser Excitation Reviewed

Erus Rustami, Kiyotaka Sasagawa, Kenji Sugie, Yasumi Ohta, Makito Haruta, Toshihiko Noda, Takashi Tokuda, Jun Ohta

IEEE Transactions on Circuits and Systems I: Regular Papers   1 - 10   2020

Implantable CMOS Fluorescent Imaging Devices

Kiyotaka Sasagawa, Makito Haruta, Yasumi Ohta, Hironari Takehara, Takashi Tokuda, Jun Ohta

Brain Informatics and Health   129 - 145   2020

Implantable CMOS image sensor with incident‐angle‐selective pixels Reviewed

K. Sugie, K. Sasagawa, M.C. Guinto, M. Haruta, T. Tokuda, J. Ohta

Electronics Letters   55 ( 13 )   729 - 731   2019.6

Wide field-of-view lensless fluorescence imaging device with hybrid bandpass emission filter Reviewed

Kiyotaka Sasagawa, Yasumi Ohta, Mamiko Kawahara, Makito Haruta, Takashi Tokuda, Jun Ohta

AIP Advances   9 ( 3 )   035108 - 035108   2019.3

A thin composite emission filter and fiber coupled laser excitation for implantable fluorescence imager application Reviewed

Erus Rustami, Kiyotaka Sasagawa, Yasumi Ohta, Makito Haruta, Toshihiko Noda, Takashi Tokuda, Jun Ohta

Proceedings - IEEE International Symposium on Circuits and Systems   2019-May   1 - 4   2019

Lens-free dual-color fluorescent CMOS image sensor for förster resonance energy transfer imaging Reviewed

Wan Shen Hee, Kiyotaka Sasagawa, Aiki Kameyama, Ayaka Kimura, Makito Haruta, Takashi Tokuda, Jun Ohta

Sensors and Materials   31 ( 3 )   2579 - 2594   2019

Chronic brain blood-flow imaging device for a behavioral experiment using mice Reviewed International journal

Haruta M, Kurauchi Y, Ohsawa M, Inami C, Tanaka R, Sugie K, Kimura A, Oha Y, Noda T, Sasagawa K, Tokuda T, Katsuki H, Ohta J

Biomedical Optics express   10 ( 4 )   1557 - 1566   2019

Fabrication of Iridium Oxide/Platinum Composite Film on Titanium Substrate for High-Performance Neurostimulation Electrodes Reviewed

Tsai-Wei Chung, Chih-Ning Huang, Po-Chun Chen, Toshihiko Noda, Takashi Tokuda, Jun Ohta

Coatings   8 ( 12 )   420 - 420   2018.11

Next-generation fundus camera with full color image acquisition in 0-lx visible light by 1.12-micron square pixel, 4K, 30-fps BSI CMOS image sensor with advanced NIR multi-spectral imaging system

Hirofumi Sumi, Hironari Takehara, Shunsuke Miyazaki, Daiki Shirahige, Kiyotaka Sasagawa, Takashi Tokuda, Yoshihiro Watanabe, Norimasa Kishi, Jun Ohta, Masatoshi Ishikawa

Digest of Technical Papers - Symposium on VLSI Technology   2018-June   163 - 164   2018.10

Performance improvement and in vivo demonstration of a sophisticated retinal stimulator using smart electrodes with built-in CMOS microchips

Toshihiko Noda, Yukari Nakano, Yasuo Terasawa, Makito Haruta, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

Japanese Journal of Applied Physics   57 ( 10 )   1002B3 - 1002B3   2018.10

Compact Lensless Fluorescence Counting System for Single Molecular Assay. Reviewed

Takehara H, Nakamoto Y, Ikeda N, Sasagawa K, Haruta M, Noda T, Tokuda T, Ohta J

IEEE transactions on biomedical circuits and systems   2018.5

Active Control of μlED Arrays for Optogenetic Stimulation

Leila Montazeri, Nizar El Zarif, Takashi Tokuda, Jun Ohta, Mohamad Sawan

Proceedings - IEEE International Symposium on Circuits and Systems   2018-   2018.4

Live Demonstration: An Energy-Efficient CMOS Biophotometry Sensor Interface

M. N. Khiarak, K. Sasagawa, T. Tokuda, J. Ohta, S. Martel, Y. De Koninck, B. Gosselin

Proceedings - IEEE International Symposium on Circuits and Systems   2018-   2018.4

An Energy-Efficient CMOS Biophotometry Sensor with Incremental DT- and Delta; ADC Conversion

M. N. Khiarak, K. Sasagawa, T. Tokuda, J. Ohta, S. Martel, Y. De Koninck, B. Gosselin

Proceedings - IEEE International Symposium on Circuits and Systems   2018-   2018.4

CMOS-based optical energy harvesting circuit for biomedical and Internet of Things devices Reviewed

Wuthibenjaphonchai Nattakarn, Takaaki Ishizu, Makito Haruta, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Mohamad Sawan, Jun Ohta

Japanese Journal of Applied Physics   57 ( 4 )   2018.4

1 mm³-sized optical neural stimulator based on CMOS integrated photovoltaic power receiver Reviewed

Takashi Tokuda, Takaaki Ishizu, Wuthibenjaphonchai Nattakarn, Makito Haruta, Toshihiko Noda, Kiyotaka Sasagawa, Mohamad Sawan, Jun Ohta

AIP Advances   8 ( 4 )   2018.4

Live Demonstration: IoT micronode with optical ID transmission capability operated by optical energy harvesting Reviewed

Takashi Tokuda, Wuthibenjaphonchai Nattakarn, Takaaki Ishizu, Makito Haruta, Toshihiko Noda, Kiyotaka Sasagawa, Jun Ohta, Mohamad Sawan

Proceedings - IEEE International Symposium on Circuits and Systems   2018-May   2018.4

Excitation and Emission Filters for Implantable Fluorescence Imaging Devices by Laser Lift-Off Process. Reviewed

Kiyotaka Sasagawa, Yasumi Ohta, Makito Haruta, Toshihiko Noda, Takashi Tokuda, Jun Ohta

2018 IEEE Biomedical Circuits and Systems Conference, BioCAS 2018, Cleveland, OH, USA, October 17-19, 2018   1 - 4   2018

Live Demonstration: IoT micronode with optical ID transmission capability operated by optical energy harvesting. Reviewed

Takashi Tokuda, Wuthibenjaphonchai Nattakarn, Takaaki Ishizu, Makito Haruta, Toshihiko Noda, Kiyotaka Sasagawa, Jun Ohta, Mohamad Sawan

IEEE International Symposium on Circuits and Systems, ISCAS 2018, 27-30 May 2018, Florence, Italy   1   2018

Electrochemical evaluation of geometrical effect and three-dimensionalized effect of iridium oxide electrodes used for retinal stimulation Reviewed

Toshihiko Noda, Yoshiko Noda, Po Chun Chen, Makito Haruta, Kiyotaka Sasagawa, Takashi Tokuda, Chung Yu Wu, Jun Ohta

Sensors and Materials   30 ( 2 )   213 - 224   2018

Functional validation of intelligent retinal stimulator using microchip-embedded smart electrode Reviewed

Toshihiko Noda, Makito Haruta, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

Sensors and Materials   30 ( 2 )   167 - 177   2018

A CMOS 256-pixel photovoltaics-powered implantable chip with active pixel sensors and iridium-oxide electrodes for subretinal prostheses Reviewed

Chung Yu Wu, Po Han Kuo, Po Kang Lin, Po Chun Chen, Wei Jie Sung, Jun Ohta, Takashi Tokuda, Toshihiko Noda

Sensors and Materials   30 ( 2 )   193 - 211   2018

Design optimization of CMOS control circuit for integrated photovoltaic power transfer Reviewed

Takashi Tokuda, Takaaki Ishizu, Wuthibenjaphonchai Nattakarn, Makito Haruta, Toshihiko Noda, Kiyotaka Sasagawa, Mohamad Sawan, Jun Ohta

Sensors and Materials   30 ( 10 )   2343 - 2357   2018

Highly sensitive lens-free fluorescence imaging device enabled by a complementary combination of interference and absorption filters Reviewed

Sasagawa K, Kimura A, Haruta M, Noda T, Tokuda T, Ohta J

Biomedical Optics Express   9 ( 9 )   4329 - 4344   2018

Battery-Free. Sticker-Like, Device for Health Monitoring, Operated by Optical Power Transfer. Reviewed

Wuthibenjaphonchai Nattakarn, Makito Haruta, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Mohamad Sawan, Sandro Carrara,Jun Ohta

2018 IEEE Biomedical Circuits and Systems Conference, BioCAS 2018, Cleveland, OH, USA, October 17-19, 2018   1 - 4   2018

Parylene-based flexible imaging device for physiological measurement of rodent brain Reviewed

Takahiro Yamaguchi, Hajime Hayami, Yoshinori Sunaga, Makito Haruta, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

Proceedings of IEEE Sensors   2017-December   1 - 3   2017.12

On-chip cell analysis platform: Implementation of contact fluorescence microscopy in microfluidic chips Reviewed

Hiroaki Takehara, Osawa Kazutaka, Makito Haruta, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

AIP ADVANCES   7 ( 9 )   2017.9

Stimulator design of retinal prosthesis Reviewed

Jun Ohta, Toshihiko Noda, Kenzo Shodo, Yasuo Terasawa, Makito Haruta, Kiyotaka Sasagawa, Takashi Tokuda

IEICE Transactions on Electronics   E100C ( 6 )   523 - 528   2017.6

Implantable optogenetic device with CMOS IC technology for simultaneous optical measurement and stimulation Reviewed

Makito Haruta, Naoya Kamiyama, Shun Nakajima, Mayumi Motoyama, Mamiko Kawahara, Yasumi Ohta, Atsushi Yamasaki, Hiroaki Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Yasuyuki Ishikawa, Takashi Tokuda, Hitoshi Hashimoto, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   56 ( 5 )   2017.5

Implantable Microimaging Device for Observing Brain Activities of Rodents Reviewed

Jun Ohta, Yasumi Ohta, Hiroaki Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Makito Haruta, Takuma Kobayashi, Yasemin M. Akay, Metin Akay

PROCEEDINGS OF THE IEEE   105 ( 1 )   158 - 166   2017.1

Automatic Determination of Blood Flow Velocity in Brain Microvessels in a Cerebral Infarction Model Mouse Using a Small Implantable CMOS Imaging Device Reviewed

Sato Tetsuo, Dejima Haruka, Haruta Makito, Kamikawa Satoshi, Nakazawa Hitomi, Tokuda Takashi, Ohta Jun, Kanaya Shigehiko

ADVANCED BIOMEDICAL ENGINEERING   6   68 - 75   2017

Fabrication and in vivo demonstration of microchip-embedded smart electrode device for neural stimulation in retinal prosthesis. Reviewed

Toshihiko Noda, Shinya Nishimura, Yukari Nakano, Yasuo Terasawa, Makito Haruta, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

IEEE Biomedical Circuits and Systems Conference, BioCAS 2017, Torino, Italy, October 19-21, 2017   1 - 4   2017

CMOS-based Opto-Electric Neural Interface Devices for Optogenetics Reviewed

Tokuda, Takashi, Haruta, Makito, Noda, Toshihiko, Sasagawa, Kiyotaka, Ohta, Jun, IEEE

2017 Ieee 60th International Midwest Symposium on Circuits and Systems (Mwscas)   377 - 80   2017

Implantable micro photonic devices for biomedical applications Reviewed

Ohta, Jun, Haruta, Makito, Noda, Toshihiko, Sasagawa, Kiyotaka, Tokuda, Takashi, IEEE

2017 Ieee 12th International Conference on Nano/micro Engineered and Molecular Systems (Nems)   2017

Initial Evaluation of the Safety and Durability of Retinal Prostheses Based on Suprachoroidal–transretinal Stimulation using Bullet-shaped Platinum Electrodes

Tashiro Hiroyuki, Terasawa Yasuo, Kuwabara Mariko, Osawa Koji, Tokuda Takashi, Ohta Jun, Fujikado Takashi

Advanced Biomedical Engineering   6   8 - 14   2017

Fluorescence imaging device with an ultra-thin micro-LED. Reviewed

Kiyotaka Sasagawa, Makito Haruta, Koki Fujimoto, Yasumi Ohta, Toshihiko Noda, Takashi Tokuda, Jun Ohta

IEEE Biomedical Circuits and Systems Conference, BioCAS 2017, Torino, Italy, October 19-21, 2017   1 - 4   2017

Development of Chronic Implantable Electrodes for Long-term Visual Evoked Potential Recording in Rabbits

Kuwabara Mariko, Tashiro Hiroyuki, Terasawa Yasuo, Osawa Koji, Tokuda Takashi, Ohta Jun, Fujikado Takashi

Advanced Biomedical Engineering   6   59 - 67   2017

Long-term analysis of in vivo characteristics of recording electrode using electrochemical impedance spectroscopy Reviewed

Mariko Kuwabara, Hiroyuki Tashiro, Yasuo Terasawa, Yukari Nakano, Yurina Yoshimura, Koji Osawa, Toshihiko Noda, Takashi Tokuda, Jun Ohta

Sensors and Materials   29 ( 12 )   1689 - 1702   2017

A High-Precision CMOS Biophotometry Sensor With Noise Cancellation and Two-Step A/D Conversion Reviewed

Khiarak M. N, Sasagawa K, Tokuda T, Ohta J, Martel S, De Koninck Y, Gosselin B, Ieee

2017 Ieee 15th International New Circuits and Systems Conference   293 - 296   2017

Erratum: Implantable self-reset CMOS image sensor and its application to hemodynamic response detection in living mouse brain (Japanese Journal of Applied Physics (2017) 56 (049202) DOI: 10.7567/JJAP.55.04EM02) Reviewed

Takahiro Yamaguchi, Hiroaki Takehara, Yoshinori Sunaga, Makito Haruta, Mayumi Motoyama, Yasumi Ohta, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

Japanese Journal of Applied Physics   56 ( 4 )   2017

Fabrication and in-vitro characterization of novel hydrogel-based electrodes for visual prostheses Reviewed

Yasuo Terasawa, Hiroyuki Tashiro, Yukari Nakano, Koji Osawa, Motoki Ozawa, Toshihiko Noda, Takashi Tokuda, Jun Ohta, Kazutoshi Haraguchi

INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE   57 ( 12 )   2016.9

CMOS-based opto-electronic neural interface devices for optogenetics. Reviewed International journal

Tokuda Takashi, Noguchi Satoki, Iwasaki Satoru, Takehara Hiroaki, Noda Toshihiko, Sasagawa Kiyotaka, Ohta Jun

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference   2016   6319 - 6322   2016.8

Wireless image-data transmission from an implanted image sensor through a living mouse brain by intra body communication Reviewed

Hajime Hayami, Hiroaki Takehara, Kengo Nagata, Makito Haruta, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   55 ( 4 )   2016.4

Implantable micro-optical semiconductor devices for optical theranostics in deep tissue Reviewed

Hiroaki Takehara, Yuji Katsuragi, Yasumi Ohta, Mayumi Motoyama, Hironari Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

APPLIED PHYSICS EXPRESS   9 ( 4 )   2016.4

Implantable self-reset CMOS image sensor and its application to hemodynamic response detection in living mouse brain Reviewed

Takahiro Yamaguchi, Hiroaki Takehara, Yoshinori Sunaga, Makito Haruta, Mayumi Motoyama, Yasumi Ohta, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   55 ( 4 )   2016.4

Micro-light-pipe array with an excitation attenuation filter for lensless digital enzyme-linked immunosorbent assay Reviewed

Hironari Takehara, Mizuki Nagasaki, Kiyotaka Sasagawa, Hiroaki Takehara, Toshihiko Noda, Takashi Tokuda, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   55 ( 3 )   2016.3

Implantable imaging device for brain functional imaging system using flavoprotein fluorescence Reviewed

Yoshinori Sunaga, Hiroshi Yamaura, Makito Haruta, Takahiro Yamaguchi, Mayumi Motoyama, Yasumi Ohta, Hiroaki Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Yumiko Yoshimura, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   55 ( 3 )   2016.3

CMOS-based optoelectronic on-chip neural interface device Reviewed

Takashi Tokuda, Hiroaki Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Jun Ohta

IEICE Transactions on Electronics   E99C ( 2 )   165 - 172   2016.2

"Optical communication with brain cells by means of an implanted duplex micro-device with optogenetics and Ca2+ fluoroimaging" Reviewed

Takuma Kobayashi, Makito Haruta, Kiyotaka Sasagawa, Miho Matsumata, Kawori Eizumi, Chikara Kitsumoto, Mayumi Motoyama, Yasuyo Maezawa, Yasumi Ohta, Toshihiko Noda, Takashi Tokuda, Yasuyuki Ishikawa, Jun Ohta

SCIENTIFIC REPORTS   6   2016.2

An Implantable CMOS Image Sensor With Self-Reset Pixels for Functional Brain Imaging Reviewed

Kiyotaka Sasagawa, Takahiro Yamaguchi, Makito Haruta, Yoshinori Sunaga, Hironari Takehara, Hiroaki Takehara, Toshihiko Noda, Takashi Tokuda, Jun Ohta

IEEE TRANSACTIONS ON ELECTRON DEVICES   63 ( 1 )   215 - 222   2016.1

Mechanical Machining-based Three-Dimensional Electrode Array for Chronic Neural Stimulation

Terasawa Yasuo, Tashiro Hiroyuki, Nakano Yukari, Tokuda Takashi, Ohta Jun

Advanced Biomedical Engineering   5   137 - 141   2016

Performance Improvement of a Micro-stimulus Electrode for Retinal Prosthesis by Introducing a High-Performance Material and a Three-Dimensional Structure Reviewed

Takumi Fujisawa, Toshihiko Noda, Megumi Hayashi, Ryo Kobe, Hiroyuki Tashiro, Hiroaki Takehara, Kiyotaka Sasagawa, Takashi Tokuda, Chung-Yu Wu, Jun Ohta

SENSORS AND MATERIALS   28 ( 12 )   1303 - 1315   2016

Compact Lensless Digital Counting System for Fluorescent Micro-Reaction-Chamber Array Reviewed

Takehara Hironari, Nakamoto Yuta, Sasagawa Kiyotaka, Takehara Hiroaki, Noda Toshihiko, Tokuda Takashi, Ohta Jun, IEEE

Proceedings of 2016 Ieee Biomedical Circuits and Systems Conference (Biocas)   600 - 603   2016

In Vitro Long-Term Performance Evaluation and Improvement in the Response Time of CMOS-Based Implantable Glucose Sensors Reviewed

Tokuda, T., Kawamura, T., Masuda, K., Hirai, T., Takehara, H., Ohta, Y., Motoyama, M., Takehara, H., Noda, T., Sasagawa, K., Ohta, J., Okitsu, T., Takeuchi, S.

IEEE Design and Test   33 ( 4 )   37 - 48   2016

Miniature Imaging Device with a Portable Processing System for Fluorescence Detection of Nitric Oxide in Living Cells Reviewed

Anek Wuthayavanich, Makito Haruta, Hiroaki Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

SENSORS AND MATERIALS   28 ( 12 )   1317 - 1327   2016

On-chip fluorescence detection system with high-density microchamber array based on CMOS image sensor Reviewed

Ohta, Jun, Takehara, Hironari, Sasagawa, Kivotaka, Takehara, Hiroaki, Noda, Toshihiko, Tokuda, Takashi, IEEE

2016 Ieee International Symposium on Circuits and Systems (Iscas)   2867 - 2870   2016

Image sensors for biomedical applications Reviewed

Kiyotaka Sasagawa, Makito Haruta, Hironari Takehara, Hiroaki Takehara, Toshihiko Noda, Takashi Tokuda, Jun Ohta

Kyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers   70 ( 3 )   271 - 276   2016

Hemodynamic Imaging Using an Implantable Self-Reset Image Sensor Reviewed

Sasagawa, Kiyotaka, Yamaguchi, Takahiro, Haruta, Makito, Ohta, Yasumi, Takehara, Hiroaki, Noda, Toshihiko, Tokuda, Takashi, Ohta, Jun, IEEE

Proceedings of 2016 Ieee Biomedical Circuits and Systems Conference (Biocas)   452 - 455   2016

Neural Stimulators for Retinal Prosthesis Embedded with CMOS Microchips Reviewed

Noda, Toshihiko, Takehara, Hiroaki, Sasagawa, Kiyotaka, Tokuda, Takashi, Ohta, Jun, IEEE

2016 Ieee 59th International Midwest Symposium on Circuits and Systems (Mwscas)   4 pp.   2016

Feasibility Study of High-Performance Implantable Stimulation Electrode with Nanocomposite Gel Coating as a Brain-Machine Interface Device Reviewed

Hiroyuki Tashiro, Yasuo Terasawa, Kazutoshi Haraguchi, Koji Osawa, Toshihiko Noda, Takashi Tokuda, Jun Ohta

SENSORS AND MATERIALS   28 ( 12 )   1283 - 1293   2016

Image Electronics Information Sensing

Sugawa Shigetoshi, Yamashita Takayuki, Tsunai Shiro, Hirose Yutaka, Akai Daisuke, Yamamoto Hiroo, Ohtake Hiroshi, Ikebe Masayuki, Sato Toshiaki, Kobayashi Masahiro, Kuroda Rihito, Hamamoto Takayuki, Komuro Takashi, Tokuda Takashi

The Journal of The Institute of Image Information and Television Engineers   70 ( 7 )   609 - 622   2016

Fluorescence imaging under background light with a self-reset complementary metal-oxide-semiconductor image sensor Reviewed

Yamaguchi Takahiro, Sunaga Yoshinori, Haruta Makito, Motoyama Mayumi, Ohta Yasumi, Takehara Hiroaki, Noda Toshihiko, Sasagawa Kiyotaka, Tokuda Takashi, Ohta Jun

JOURNAL OF ENGINEERING-JOE   1 - 3   2015.11

Long Term Recording of Charge Injection Capacities of Suprachoroidally implanted Porous Platinum Electrodes Reviewed

Terasawa, Yasuo, Tashiro, Hiroyuki, Nakano, Yukari, Osawa, Koji, Ozawa, Motoki, Noda, Toshihiko, Tokuda, Takashi, Ohta, Jun, Fujikado, Takashi

Investigative Ophthalmology & Visual Science   56 ( 7 )   2015.6

CMOS-based implantable glucose monitoring device with improved performance and reduced invasiveness Reviewed

T. Kawamura, K. Masuda, T. Hirai, Y. Ohta, M. Motoyama, H. Takehara, T. Noda, K. Sasagawa, T. Tokuda, T. Okitsu, S. Takeuchi, J. Ohta

ELECTRONICS LETTERS   51 ( 10 )   738 - 739   2015.5

Intravital fluorescence imaging of mouse brain using implantable semiconductor devices and epi- illumination of biological tissue Reviewed

Takehara Hiroaki, Ohta Yasumi, Motoyama Mayumi, Haruta Makito, Nagasaki Mizuki, Takehara Hironari, Noda Toshihiko, Sasagawa Kiyotaka, Tokuda Takashi, Ohta Jun

Biomedical Optics Express   6 ( 5 )   1553 - 1564   2015.5

Implantable semiconductor imaging devices for In vivo optical imaging of brain Reviewed

Hiroaki Takehara, Makito Haruta, Yasumi Ohta, Mayumi Motoyama, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

Optics and the Brain, BRAIN 2015   2015.4

Intrinsic signal imaging of brain function using a small implantable CMOS imaging device Reviewed

Makito Haruta, Yoshinori Sunaga, Takahiro Yamaguchi, Hironari Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   54 ( 4 )   2015.4

CMOS-based neural interface device for optogenetics Reviewed International journal

Takashi Tokuda, Toshihiko Noda, Kiyotaka Sasagawa, Jun Ohta

Optogenetics: Light-Sensing Proteins and their Applications   375 - 390   2015.1

CMOS technologies for retinal prosthesis Reviewed

Jun Ohta, Takashi Tokuda, Takashi Fujikado

Handbook of Bioelectronics: Directly Interfacing Electronics and Biological Systems   313 - 324   2015.1

CMOS-based implantable glucose monitoring device with glucose-responsive fluorescent hydrogel Reviewed

Toshikazu Kawamura, Tomohiro Hirai, Hironari Takehara, Hiroaki Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Teru Okitsu, Shoji Takeuchi, Jun Ohta

Proceedings of Frontiers in Optics 2015, FIO 2015   2015

Development of CMOS-Based Implantable Glucose Sensor using Glucose-Responsive Fluorescent Hydrogel

HIRAI Tomohiro, KAWAMURA Toshikazu, TAKEHARA Hiroaki, NODA Toshihiko, SASAGAWA Kiyotaka, TOKUDA Takashi, OKITSU Teru, TAKEUCHI Shoju, OHTA Jun

PROCEEDINGS OF THE ITE ANNUAL CONVENTION   2015 ( 0 )   14D - 2   2015

Polarisation analysing complementary metal-oxide semiconductor image sensor in 65-nm standard CMOS technology Reviewed

Wakama N, Okabayashi D, Noda T, Sasagawa K, Tokuda T, Kakiuchi K, Ohta J

The Journal of Engineering   3 pp.   2015

Fabrication and functional demonstration of a smart electrode with a built-in CMOS microchip for neural stimulation of a retinal prosthesis. Reviewed International journal

Noda Toshihiko, Fujisawa Takumi, Kawasaki Ryohei, Tashiro Hiroyuki, Takehara Hiroaki, Sasagawa Kiyotaka, Tokuda Takashi, Ohta Jun

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference   2015   3355 - 8   2015

High coupling efficiency contact imaging system having micro light pipe array for a digital enzyme-linked immunosorbent assay Reviewed

Takehara H, Nagasaki M, Sasagawa K, Noda T, Tokuda T, Noji H, Ohta J

2015 IEEE Biomedical Circuits and Systems Conference (BioCAS)   4 pp.   2015

Implantable micro-sized image sensor for data transmission with intra-vital optical communication Reviewed

Takehara H, Hayami H, Nagata K, Ohta Y, Noda T, Sasagawa K, Tokuda T

The Journal of Engineering   4 pp.   2015

Magnetic-Thrust Flexible Electrode with Integrated Preamplifier for Neural Recording Reviewed

Toshihiko Noda, Yoshiya Matsuzaka, SeokBeom Kim, Hiroaki Takehara, Kiyotaka Sasagawa, Takashi Tokuda, Hajime Mushiake, Hiroshi Onodera, Jun Ohta

SENSORS AND MATERIALS   27 ( 11 )   1079 - 1089   2015

CMOS-based on-chip neural interface devices for optogenetics Reviewed

Tokuda, Takashi, Takehara, Hiroaki, Noda, Toshihiko, Sasagawa, Kiyotaka, Ohta, Jun, IEEE

2015 Ieee Biomedical Circuits and Systems Conference (Biocas)   1 - 4   2015

CMOS image sensor-based implantable glucose sensor using glucose-responsive fluorescent hydrogel Reviewed

Takashi Tokuda, Masayuki Takahashi, Kazuhiro Uejima, Keita Masuda, Toshikazu Kawamura, Yasumi Ohta, Mayumi Motoyama, Toshihiko Noda, Kiyotaka Sasagawa, Teru Okitsu, Shoji Takeuchi, Jun Ohta

BIOMEDICAL OPTICS EXPRESS   5 ( 11 )   3859 - 3870   2014.11

CMOS sensor-based palm-sized in-line optical analysis device for microchemistry systems Reviewed

T. Tokuda, N. Wakama, K. Terao, K. Masuda, R. Mori, T. Noda, K. Sasagawa, Y. Nishiyama, K. Kakiuchi, J. Ohta

ELECTRONICS LETTERS   50 ( 17 )   1222 - 1223   2014.8

Digital signal transmission from fully implantable CMOS image sensor in simulated body environment Reviewed

H. Hayami, Y. Ishii, K. Sasagawa, T. Noda, T. Tokuda, J. Ohta

ELECTRONICS LETTERS   50 ( 12 )   851 - 852   2014.6

Performance improvement and functionalization of an electrode array for retinal prosthesis by iridium oxide coating and introduction of smart-wiring technology using CMOS microchips Reviewed

Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Yasuo Terasawa, Hiroyuki Tashiro, Hiroyuki Kanda, Takashi Fujikado, Jun Ohta

SENSORS AND ACTUATORS A-PHYSICAL   211   27 - 37   2014.5

A CMOS image sensor with stacked photodiodes for lensless observation system of digital enzyme-linked immunosorbent assay Reviewed

Hironari Takehara, Kazuya Miyazawa, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Soo Hyeon Kim, Ryota Iino, Hiroyuki Noji, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   53 ( 4 )   2014.4

Charge Injection Capacities of Femtosecond Laser-induced Porous Electrodes measured in vitro and in vivo: Comparison between porous and smooth electrodes Reviewed

Terasawa, Yasuo, Tashiro, Hiroyuki, Nakano, Yukari, Osawa, Koji, Ozawa, Motoki, Noda, Toshihiko, Tokuda, Takashi, Ohta, Jun, Fujikado, Takashi

Investigative Ophthalmology & Visual Science   55 ( 13 )   2014.4

An implantable CMOS device for blood-flow imaging during experiments on freely moving rats Reviewed

Makito Haruta, Chikara Kitsumoto, Yoshinori Sunaga, Hironari Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   53 ( 4 )   2014.4

Safety Assessment of Chronic Suprachoroidal-Transretinal Stimulation in Normal Rabbits by the Femtosecond Laser-induced Porous Electrodes Reviewed

Tashiro, Hiroyuki, Terasawa, Yasuo, Nakano, Yukari, Osawa, Koji, Ozawa, Motoki, Noda, Toshihiko, Tokuda, Takashi, Ohta, Jun, Fujikado, Takashi

Investigative Ophthalmology & Visual Science   55 ( 13 )   2014.4

Functional brain fluorescence plurimetry in rat by implantable concatenated CMOS imaging system Reviewed

Takuma Kobayashi, Hiroyuki Masuda, Chikara Kitsumoto, Makito Haruta, Mayumi Motoyama, Yasumi Ohta, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Sadao Shiosaka, Jun Ohta

BIOSENSORS & BIOELECTRONICS   53   31 - 36   2014.3

Body Channel Digital Pulse Transmission for Biometric Measurement by Fully Implantable CMOS Image Sensor Reviewed

Hayami, Hajime, Ishii, Yoshiaki, Sasagawa, Kiyotaka, Noda, Toshihiko, Tokuda, Takashi, Ohta, Jun, IEEE

2014 Ieee International Meeting For Future of Electron Devices, Kansai (Imfedk)   2 pp.   2014

Demonstration of Implantable CMOS Image Sensors for Functional Brain Imaging Reviewed

Sasagawa Kiyotaka, Sunaga Yoshinori, Haruta Makito, Yamaguchi Takahiro, Takehara Hironari, Takehara Hiroaki, Noda Toshihiko, Tokuda Takashi, Ohta Jun, IEEE

2014 Ieee Biomedical Circuits and Systems Conference (Biocas)   184 - 184   2014

An implantable green fluorescence imaging device using absorption filters with high excitation light rejection ratio Reviewed

Sunaga Yoshinori, Haruta Makito, Yamaguchi Takahiro, Motoyama Mayumi, Ohta Yasumi, Takehara Hiroaki, Noda Toshihiko, Sasagawa Kiyotaka, Tokuda Takashi, Ohta Jun, IEEE

2014 Ieee Biomedical Circuits and Systems Conference (Biocas)   248 - 251   2014

An implantable micro imaging device for molecular imaging in a brain of freely-moving mouse Reviewed

Sasagawa, Kiyotaka, Ohta, Yasumi, Motoyama, Mayumi, Noda, Toshihiko, Tokuda, Takashi, Ohta, Jun, Shiosaka, Sadao, IEEE

2014 Ieee International Symposium on Bioelectronics and Bioinformatics (Isbb)   2014

Dual-mode lensless imaging device for digital enzyme linked immunosorbent assay Reviewed

Sasagawa, Kiyotaka, Kim, Soo Hyeon, Miyazawa, Kazuya, Takehara, Hironari, Noda, Toshihiko, Tokuda, Takashi, Iino, Ryota, Noji, Hiroyuki, Ohta, Jun

Frontiers in Biological Detection: From Nanosensors To Systems Vi   8933   2014

On-chip polarizer on image sensor using advanced CMOS technology Reviewed

Kiyotaka Sasagawa, Norimitsu Wakama, Toshihiko Noda, Takashi Tokuda, Kiyomi Kakiuchi, Jun Ohta

ADVANCED FABRICATION TECHNOLOGIES FOR MICRO/NANO OPTICS AND PHOTONICS VII   8974   2014

An Implantable Image Sensor with Self-Reset Function for Brain Imaging Reviewed

Sasagawa Kiyotaka, Yamaguchi Takahiro, Haruta Makito, Sunaga Yoshinori, Takehara Hironari, Noda Toshihiko, Tokuda Takashi, Ohta Jun, IEEE

2014 Ieee Biomedical Circuits and Systems Conference (Biocas)   252 - 255   2014

Fabrication of Fork-Shaped Retinal Stimulator Integrated with CMOS Microchips for Extension of Viewing Angle Reviewed

Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Hiroyuki Kanda, Yasuo Terasawa, Hiroyuki Tashiro, Takashi Fujikado, Jun Ohta

SENSORS AND MATERIALS   26 ( 8 )   637 - 648   2014

Implantable CMOS imaging device with absorption filters for green fluorescence imaging Reviewed

Sunaga Yoshinori, Haruta Makito, Takehara Hironari, Ohta Yasumi, Motoyama Mayumi, Noda Toshihiko, Sasagawa Kiyotaka, Tokuda Takashi, Ohta Jun

Optical Techniques in Neurosurgery, Neurophotonics, and Optogenetics   8928   2014

Noise Performance of an Implantable Self-reset CMOS Image Sensor Reviewed

Yamaguchi Takahiro, Sunaga Yoshinori, Haruta Makito, Noda Toshihiko, Sasagawa Kiyotaka, Tokuda Takashi, Ohta Jun, IEEE

2014 Ieee International Meeting For Future of Electron Devices, Kansai (Imfedk)   2014

Single-molecule enzyme assay with a lensless flouorestcent imaging device Reviewed

Sasagawa K, Kim S.-H, Yamauchi L, Kitaguchi K, Takehara H, Noda T, Tokuda T, Iino R, Noji H, Ohta J

18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2014   2300 - 2302   2014

Demonstrations of Polarization Imaging Capability and Novel Functionality of Polarization-Analyzing CMOS Image Sensor with 65 nm Standard CMOS Process Reviewed

Takashi Tokuda, Kiyotaka Sasagawa, Norimitsu Wakama, Toshihiko Noda, Kiyomi Kakiuchi, Jun Ohta

ITE Transactions on Media Technology and Applications   2 ( 2 )   131 - 138   2014

Image sensor pixel with on-chip high extinction ratio polarizer based on 65-nm standard CMOS technology. Reviewed International journal

Kiyotaka Sasagawa, Sanshiro Shishido, Keisuke Ando, Hitoshi Matsuoka, Toshihiko Noda, Takashi Tokuda, Kiyomi Kakiuchi, Jun Ohta

Optics express   21 ( 9 )   11132 - 40   2013.5

Sputtering condition optimization of sputtered IrOx and TiN stimulus electrodes for retinal prosthesis Reviewed

Yi Li Pan, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

IEEJ Transactions on Electrical and Electronic Engineering   8 ( 3 )   310 - 312   2013.5

CMOS sensor-based miniaturised in-line dual-functional optical analyser for high-speed, in situ chirality monitoring Reviewed

Takashi Tokuda, Hitoshi Matsuoka, Nobuya Tachikawa, Norimitsu Wakama, Kimitada Terao, Mikiko Shibata, Toshihiko Noda, Kiyotaka Sasagawa, Yasuhiro Nishiyama, Kiyomi Kakiuchi, Jun Ohta

SENSORS AND ACTUATORS B-CHEMICAL   176   1032 - 1037   2013.1

Needle Type CMOS Imaging Device for Fluorescence Imaging of Deep Brain Activities with Low Invasiveness Reviewed

Sunaga Yoshinori, Kitsumoto Chikara, Motoyama Mayumi, Ohta Yasumi, Noda Toshihiko, Sasagawa Kiyotaka, Ishikawa Yasuyuki, Tokuda Takashi, Shiosaka Sadao, Ohta Jun, IEEE

2013 Conference on Lasers and Electro-Optics Pacific Rim (Cleo-Pr)   2013

Optoelectronics Devices for Biomedical Applications Reviewed

Tokuda, Takashi, Noda, Toshihiko, Sasagawa, Kiyotaka, Ohta, Jun, IEEE

2013 Conference on Lasers and Electro-Optics Pacific Rim (Cleo-Pr)   2 pp.   2013

Implantable micro CMOS imaging devices for biomedical applications Reviewed

Ohta J, Noda T, Sasagawa K, Tokuda T

2013 International Conference on Optical MEMS and Nanophotonics (OMN)   5 - 6   2013

Lensless imaging device for digital counting of fluorescent micro-droplet chambers Reviewed

Sasagawa K, Takehara H, Miyazawa K, Okabayashi D, Noda T, Tokuda T, Kim S.-H, Iino R, Noji H, Ohta J

2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEOPR)   2 pp.   2013

Lensless CMOS-based imaging device for fluorescent femtoliter droplet array counting Reviewed

Sasagawa K, Kim S.H, Miyazawa K, Takehara H, Noda T, Tokuda T, Iino R, Noji H, Ohta J

17th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2013   3   1565 - 1567   2013

A CMOS optoelectronic neural interface device based on an image sensor with on-chip light stimulation and extracellular neural signal recording for optogenetics Reviewed

Yosmongkol Sawadsaringkarn, Tomoaki Miyatani, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

ITE Transactions on Media Technology and Applications   1 ( 2 )   184 - 189   2013

An in vitro demonstration of CMOS-based optoelectronic neural interface device for optogenetics Reviewed

Tokuda, T., Nakajima, S., Maezawa, Y., Noda, T., Sasagawa, K., Ishikawa, Y., Shiosaka, S., Ohta, J., IEEE

2013 35th Annual International Conference of the Ieee Engineering in Medicine and Biology Society (Embc)   2013   799 - 802   2013

Implantable image sensor based on intra-brain image transmission. Reviewed International journal

Sasagawa Kiyotaka, Ishii Yoshiaki, Yokota Shogo, Matsuda Takashi, Davis Peter, Zhang Bing, Li Keren, Noda Toshihiko, Tokuda Takashi, Ohta Jun

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference   2013   1863 - 6   2013

A CMOS Image Sensor with Low Fixed Pattern Noise Suitable for Lensless Observation System of Digital Enzyme-linked Immunosorbent Assay (ELISA) Reviewed

Takehara Hironari, Miyazawa Kazuya, Noda Toshihiko, Sasagawa Kiyotaka, Tokuda Takashi, Kim Soo Hyeon, Iino Ryota, Noji Hiroyuki, Ohta Jun, IEEE

2013 Ieee International Meeting For Future of Electron Devices, Kansai (Imfedk2013)   32 - 33   2013

A CMOS microchip-based retinal prosthetic device for large numbers of stimulation in wide area Reviewed

Ohta, Jun, Noda, Toshihiko, Sasagawa, Kiyotaka, Tokuda, Takashi, Terasawa, Yasuo, Kanda, Hironari, Fujikado, Takashi, IEEE

2013 Ieee International Symposium on Circuits and Systems (Iscas)   642 - 645   2013

Smart electrode array device with CMOS multi-chip architecture for neural interface Reviewed

T. Noda, K. Sasagawa, T. Tokuda, Y. Terasawa, H. Tashiro, H. Kanda, T. Fujikado, J. Ohta

ELECTRONICS LETTERS   48 ( 21 )   1328 - 1329   2012.10

Novel implantable imaging system for enabling simultaneous multiplanar and multipoint analysis for fluorescence potentiometry in the visual cortex Reviewed

Takuma Kobayashi, Mayumi Motoyama, Hiroyuki Masuda, Yasumi Ohta, Makito Haruta, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Hideki Tamura, Yasuyuki Ishikawa, Sadao Shiosaka, Jun Ohta

BIOSENSORS & BIOELECTRONICS   38 ( 1 )   321 - 330   2012.10

CMOS on-chip bio-imaging sensor with integrated micro light source array for optogenetics Reviewed

T. Tokuda, H. Kimura, T. Miyatani, Y. Maezawa, T. Kobayashi, T. Noda, K. Sasagawa, J. Ohta

ELECTRONICS LETTERS   48 ( 6 )   312 - 313   2012.3

CMOS image sensor integrated with micro-LED and multielectrode arrays for the patterned photostimulation and multichannel recording of neuronal tissue Reviewed

Arata Nakajima, Hiroshi Kimura, Yosmongkol Sawadsaringkarn, Yasuyo Maezawa, Takuma Kobayashi, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Yasuyuki Ishikawa, Sadao Shiosaka, Jun Ohta

OPTICS EXPRESS   20 ( 6 )   6097 - 6108   2012.3

Complementary Metal-Oxide-Semiconductor Image Sensor with Microchamber Array for Fluorescent Bead Counting Reviewed

Kiyotaka Sasagawa, Keisuke Ando, Takuma Kobayashi, Toshihiko Noda, Takashi Tokuda, Soo Hyeon Kim, Ryota Iino, Hiroyuki Noji, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   51 ( 2 )   2012.2

A micro imaging device for measuring neural actvities in the mouse deep brain with minimal invasiveness Reviewed

Ohta, Jun, Kitsumoto, Chikara, Noda, Toshihiko, Sasagawa, Kiyotaka, Tokuda, Takashi, Motoyama, Mayumi, Ohta, Yasumi, Kobayashi, Takuma, Ishikawa, Yasuaki, Shiosaka, Sadao, IEEE

2012 Ieee Biomedical Circuits and Systems Conference (Biocas): Intelligent Biomedical Electronics and System For Better Life and Better Environment   244 - 247   2012

A polarization analyzing CMOS image sensor with metal wire grid in 65-nm standard CMOS technology Reviewed

Wakama N, Matsuoka H, Ando K, Noda T, Sasagawa K, Tokuda T, Ohta J

2012 IEEE International Meeting for Future of Electron Devices, Kansai (IMFEDK)   2 pp.   2012

Baseband signal transmission experiment for intra-brain communication with implantable image sensor Reviewed International journal

Sasagawa Kiyotaka, Yokota Shogo, Matsuda Takashi, Davis Peter, Zhang Bing, Li Keren, Kobayashi Takuma, Noda Toshihiko, Tokuda Takashi, Ohta Jun

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference   2012   6011 - 4   2012

CMOS On-Chip Optoelectronic Neural Interface Device with Integrated Light Source for Optogenetics Reviewed

Sawadsaringkarn, Y., Kimura, H., Maezawa, Y., Nakajima, A., Kobayashi, T., Sasagawa, K., Noda, T., Tokuda, T., Ohta, J.

Asia-Pacific Interdisciplinary Research Conference 2011 (Ap-Irc 2011)   352   2012

Development of a CMOS-based implantable device for wide-area brain functional imaging Reviewed

Haruta M, Kobayashi T, Kitsumoto C, Noda T, Sasagawa K, Tokuda T, Ohta J

2012 IEEE International Meeting for Future of Electron Devices, Kansai (IMFEDK)   2012 ( 1 )   2 pp. - 28   2012

Dual-layer Metal-grid Polarizer for Polarization Image Sensor in 65-nm CMOS Technology Reviewed

Kiyotaka Sasagawa, Norimitsu Wakama, Daisuke Okabayashi, Toshihiko Noda, Takashi Tokuda, Jun Ohta

2012 IEEE SENSORS PROCEEDINGS   1493 - 1496   2012

A CMOS-based on-chip neural interface device equipped with integrated LED array for optogenetics Reviewed

Tokuda, T., Miyatani, T., Maezawa, Y., Kobayashi, T., Noda, T., Sasagawa, K., Ohta, J., IEEE

2012 Annual International Conference of the Ieee Engineering in Medicine and Biology Society (Embc)   2012   5146 - 9   2012

Organic-inorganic hybrids for bioinert coating on implantable electronic devices Reviewed

Jun Ohta, Kim, I.Y., Nomura, K., Kikuta, K., Ohta, J., Tokuda, T., Ohtsuki, C.

Key Engineering Materials   493-494   508 - 512   2012

Image signal transmission through brain by an implantable micro-imager Reviewed

Sasagawa, Kiyotaka, Yokota, Shogo, Kitsumoto, Chikara, Matsuda, Takashi, Davis, Peter, Zhang, Bing, Li, Keren, Noda, Toshihiko, Tokuda, Takashi, Ohta, Jun, IEEE

2012 Ieee Biomedical Circuits and Systems Conference (Biocas): Intelligent Biomedical Electronics and System For Better Life and Better Environment   144 - 147   2012

On-chip metal wire grid polarizer for CMOS image sensor based on 65-nm technology Reviewed

Sasagawa, Kiyotaka, Ando, Keisuke, Matsuoka, Hitoshi, Kobayashi, Takuma, Noda, Toshihiko, Tokuda, Takashi, Ohta, Jun, IEEE

2012 Conference on Lasers and Electro-Optics (Cleo)   2012

Optimization of Sputtering Condition of IrOx Thin Film Stimulation Electrode for Retinal Prosthesis Application Reviewed

Pan, Y., Oda, T., Sasagawa, K., Tokuda, T., Kanda, H., Fujikado, T., Ohta, J.

Asia-Pacific Interdisciplinary Research Conference 2011 (Ap-Irc 2011)   352   2012

CMOS Imaging Devices for Biomedical Applications Reviewed

Jun Ohta, Takuma Kobayashi, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda

IEICE TRANSACTIONS ON COMMUNICATIONS   E94B ( 9 )   2454 - 2460   2011.9

Polarization Analyzing Image Sensor with On-Chip Metal Wire Grid Polarizer in 65-nm Standard Complementary Metal Oxide Semiconductor Process Reviewed

Sanshiro Shishido, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   50 ( 4 )   2011.4

Planar Multielectrode Array Coupled Complementary Metal Oxide Semiconductor Image Sensor for In vitro Electrophysiology Reviewed

Arata Nakajima, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Yasuyuki Ishikawa, Sadao Shiosaka, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   50 ( 4 )   2011.4

Optical and Electric Multifunctional CMOS Image Sensors for On-Chip Biosensing Applications Reviewed

Takashi Tokuda, Toshihiko Noda, Kiyotaka Sasagawa, Jun Ohta

MATERIALS   4 ( 1 )   84 - 102   2011.1

Implantable Distributed Biomedical Photonic Devices Reviewed

Jun Ohta, Ayato Tagawa, Takuma Kobayashi, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda

SENSORS AND MATERIALS   23 ( 7 )   369 - 379   2011

Micro CMOS image sensor for multi-area imaging Reviewed

Sasagawa K, Masuda H, Tagawa A, Kobayashi T, Noda T, Tokuda T, Ohta J

2011 IEEE/IFIP 19th International Conference on VLSI and System-on-Chip   15 - 18   2011

Performance Improvements of Polarization-analyzing CMOS Image Sensor Reviewed

Tokuda T, Fujioka Y, Shishido S, Noda T, Sasagawa K, Kakiuchi K, Ohta J

Journal of the Institute of Image Information and Television Engineers   65 ( 3 )   367 - 71   2011

Fabrication of a flexible neural interface device with CMOS-based smart electrodes Reviewed

Noda T, Kitao T, Ito T, Sasagawa K, Tokuda T, Terasawa Y, Tashiro H, Kanda H, Fujikado T, Ohta J

2011 IEEE/IFIP 19th International Conference on VLSI and System-on-Chip   10 - 14   2011

Functional neuroimaging by using an implantable CMOS multimodal device in a freely-moving mouse Reviewed

Kobayashi Takuma, Tamura Hideki, Hatanaka Yumiko, Motoyama Mayumi, Noda Toshihiko, Sasagawa Kiyotaka, Tokuda Takashi, Ishikawa Yasuyuki, Shiosaka Sadao, Ohta Jun, IEEE

2011 Ieee Biomedical Circuits and Systems Conference (Biocas)   110 - 113   2011

Wireless Intra-Brain Communication for Image Transmission through Mouse Brain Reviewed International journal

Sasagawa Kiyotaka, Matsuda Takashi, Davis Peter, Zhang Bing, Li Keren, Kobayashi Takuma, Noda Toshihiko, Tokuda Takashi, Ohta Jun, IEEE

2011 Annual International Conference of the Ieee Engineering in Medicine and Biology Society (Embc)   2011   2917 - 2920   2011

P2-u10 Investigation of detectability of a biomedical photonic LSI (BpLSI) device for voltage-sensitive dye imaging of mouse visual cortex Reviewed

Kobayashi, Takuma, Motoyama, Mayumi, Yosmongkol, Sawadsaringkam, Tagawa, Ayato, Noda, Toshihiko, Sasagawa, Kiyotaka, Tokuda, Takashi, Tamura, Hideki, Ishikawa, Yasuyuki, Shiosaka, Sadao, Ohta, Jun

Neuroscience Research   71   E205   2011

CMOS-based smart-electrode-type retinal stimulator with bullet-shaped bulk Pt electrodes Reviewed

Tokuda, T., Ito, T., Kitao, T., Noda, T., Sasagawa, K., Terasawa, Y., Tashiro, H., Kanada, H., Fujikado, T., Ohta, J., IEEE

2011 Annual International Conference of the Ieee Engineering in Medicine and Biology Society (Embc)   2011   6733 - 6   2011

CMOS-based intelligent neural interface device for optogenetics Reviewed

Tokuda, Takashi, Kimura, Hiroshi, Sawadsaringkarn, Yosmongkol, Maezawa, Yasuyo, Nakajima, Arata, Kobayashi, Takuma, Noda, Toshihiko, Sasagawa, Kiyotaka, Ohta, Jun

Neuroscience Research   71   E307 - E308   2011

Development and in vivo Demonstration of CMOS-Based Multichip Retinal Stimulator With Simultaneous Multisite Stimulation Capability Reviewed

Takashi Tokuda, Yoichi Takeuchi, Yuki Sagawa, Toshihiko Noda, Kiyotaka Sasagawa, Kentaro Nishida, Takashi Fujikado, Jun Ohta

IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS   4 ( 6 )   445 - 453   2010.12

Potentiometric Dye Imaging for Pheochromocytoma and Cortical Neurons with a Novel Measurement System Using an Integrated Complementary Metal-Oxide-Semiconductor Imaging Device Reviewed

Takuma Kobayashi, Ayato Tagawa, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Yumiko Hatanaka, Hideki Tamura, Yasuyuki Ishikawa, Sadao Shiosaka, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 11 )   2010.11

Implantable Image Sensor with Light Guide Array Plate for Bioimaging Reviewed

Kiyotaka Sasagawa, Masahiro Mitani, Tetsuya Sugiyama, Toshihiko Noda, Takashi Tokuda, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 4 )   2010

A CMOS-based multichip flexible retinal stimulator for simultaneous multi-site stimulation Reviewed

Tokuda, T., Sagawa, Y., Noda, T., Sasagawa, K., Nishida, K., Fujikado, T., Ohta, J., IEEE

2010 Annual International Conference of the Ieee Engineering in Medicine and Biology Society (Embc)   5883 - 5886   2010

Potentiometric dye imaging for cortical neurons with a novel measurement system using a implantable CMOS imaging device Reviewed

Kobayashi, Takuma, Tagawa, Ayato, Noda, Toshihiko, Sasagawa, Kiyotaka, Tokuda, Takashi, Hatanaka, Yumiko, Tamura, Hideki, Ishikawa, Yasuyuki, Shiosaka, Sadao, Ohta, Jun

Neuroscience Research   68   E331   2010

Microfluid Ejection Device Based on Complementary Metal-Oxide-Semiconductor Technology as an Artificial Synapse Reviewed

Kyosuke Minakawa, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 1 )   2010

Multimodal Complementary Metal-Oxide-Semiconductor Sensor Device for Imaging of Fluorescence and Electrical Potential in Deep Brain of Mouse Reviewed

Ayato Tagawa, Hiroki Minami, Masahiro Mitani, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Hideki Tamura, Yumiko Hatanaka, Yasuyuki Ishikawa, Sadao Shiosaka, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 1 )   2010

W-band photonic signal generation based on frequency doubling Reviewed

Sasagawa K, Noda T, Tokuda T, Ohta J

Optics InfoBase Conference Papers   2010

Complementary Metal Oxide Semiconductor Based Multimodal Sensor for In vivo Brain Function Imaging with a Function for Simultaneous Cell Stimulation Reviewed

Ayato Tagawa, Masahiro Mitani, Hiroki Minami, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 4 )   2010

CMOS-Based Multichip Networked Flexible Retinal Stimulator Designed for Image-Based Retinal Prosthesis Reviewed

Takashi Tokuda, Kohei Hiyama, Shigeki Sawamura, Kiyotaka Sasagawa, Yasuo Terasawa, Kentaro Nishida, Yoshiyuki Kitaguchi, Takashi Fujikado, Yasuo Tano, Jun Ohta

IEEE TRANSACTIONS ON ELECTRON DEVICES   56 ( 11 )   2577 - 2585   2009.11

Polarization-Analyzing CMOS Image Sensor With Monolithically Embedded Polarizer for Microchemistry Systems Reviewed

Takashi Tokuda, Hirofumi Yamada, Kiyotaka Sasagawa, Jun Ohta

IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS   3 ( 5 )   259 - 266   2009.10

Development of Complementary Metal Oxide Semiconductor Imaging Devices for Detecting Green Fluorescent Protein in the Deep Brain of a Freely Moving Mouse Reviewed

Ayato Tagawa, Asako Higuchi, Tetsuya Sugiyama, Kiyotaka Sasagawa, Takashi Tokuda, Hideki Tamura, Yumiko Hatanaka, Yasuyuki Ishikawa, Sadao Shiosaka, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   48 ( 4 )   2009.4

Microchamber Device Equipped with Complementary Metal Oxide Semiconductor Optical Polarization Analyzer Chip for Micro Total Analysis System Reviewed

Kyosuke Minakawa, Hirofumi Yamada, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   48 ( 4 )   2009.4

A Low-Voltage Complementary Metal Oxide Semiconductor Image Sensor Using Pulse-Width-Modulation Scheme for Biomedical Applications Reviewed

Sanshiro Shishido, Keiichiro Kagawa, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   48 ( 4 )   2009.4

Polarisation-analysing CMOS photosensor with monolithically embedded wire grid polariser Reviewed

T. Tokuda, S. Sato, H. Yamada, K. Sasagawa, J. Ohta

ELECTRONICS LETTERS   45 ( 4 )   228 - 229   2009.2

Polarization-analyzing image sensor based on standard CMOS technology Reviewed

Tokuda T, Yamada H, Sasagawa K, Ohta J

15th International Conference on Solid-State Sensors, Actuators and Microsystems. Transducers 2009   331 - 3   2009

Light-controlled retinal stimulation on rabbit using CMOS-based flexible multi-chip stimulator Reviewed

Tokuda, T., Takeuchi, Y., Noda, T., Sasagawa, K., Nishida, K., Kitaguchi, Y., Fujikado, T., Tano, Y., Ohta, J., IEEE

2009 Annual International Conference of the Ieee Engineering in Medicine and Biology Society, Vols 1-20   646 - 649   2009

A CMOS Sensor for in-vivo Fluorescence and Electrical Imaging in a Mouse Brain Reviewed

Sasagawa, Kiyotaka, Tagawa, Ayato, Minami, Hiroki, Mitani, Masahiro, Noda, Toshihiko, Tokuda, Takashi, Tamura, Hideki, Hatanaka, Yumiko, Ishikawa, Yasuyuki, Shiosaka, Sadao, Ohta, Jun, IEEE

2009 Ieee Biomedical Circuits and Systems Conference (Biocas 2009)   40 - 43   2009

CMOS image sensor for recording of intrinsic-optical-signal of the brain Reviewed

Shishido, Sanshiro, Oguro, Yasuhiro, Noda, Toshihiko, Sasagawa, Kiyotaka, Tokuda, Takashi, Ohta, Jun, IEEE

2009 International Soc Design Conference (Isocc 2009)   190 - 193   2009

CMOS-based flexible multi-site retinal stimulator toward retinal prosthesis technology Reviewed

Tokuda, T., Takeuchi, Y., Noda, T., Sasagawa, K., Ohta, J., IEEE

Proceedings of the Ieee 2009 Custom Integrated Circuits Conference   511 - 514   2009

A CMOS-based Chemical Stimulator with Microfluid Ejection Function Toward an Artificial Synaptic Device Reviewed

Minakawa, Kyosuke, Noda, Toshihiko, Sasagawa, Kiyotaka, Tokuda, Takashi, Ohta, Jun, IEEE

2009 Ieee Biomedical Circuits and Systems Conference (Biocas 2009)   156 - 159   2009

A Multimodal Sensing Device for Fluorescence Imaging and Electrical Potential Measurement of Neural Activities in a Mouse Deep Brain Reviewed

Ohta, Jun, Tagawa, Ayato, Minami, Hiroki, Noda, Toshihiko, Sasagawa, Kiyotaka, Tokuda, Takashi, Hatanaka, Yumiko, Ishikawa, Yasuyuki, Tamura, Hideki, Shiosaka, Sadao, IEEE

2009 Annual International Conference of the Ieee Engineering in Medicine and Biology Society, Vols 1-20   2009   5887 - 90   2009

Polarization-analyzing CMOS image sensor using monolithically embedded polarizer for microchemistry systems Reviewed

Tokuda Takashi, Yamada Hirofumi, Sasagawa Kiyotaka, Ohta Jun, IEEE

Iscas: 2009 Ieee International Symposium on Circuits and Systems, Vols 1-5   3   313 - 316   2009

Light-controlled retinal stimulator for subretinal implantation Reviewed

Ohta, Jun, Tokuda, Takashi, Hiyama, Kohei, Sawamura, Shigeki, Kiyotaka, Sasagawa, Nishida, Kentaro, Kitaguchi, Yoshiyuki, Kamei, Motohiro, Fujikado, Takashi, Tano, Yasuo, IEEE

2009 Ieee Biomedical Circuits and Systems Conference (Biocas 2009)   53 - 56   2009

Real-time in vivo molecular quantification for freely-moving mouse's hippocampus Reviewed

Tamura, Hideki, Hatanaka, Yumiko, Minami, Hiroki, Tagawa, Ayato, Noda, Toshihiko, Sasagawa, Kiyotaka, Tokuda, Takashi, Ohta, Jun, Ishikawa, Yasuyuki, Shiosaka, Sadao

Neuroscience Research   65   S226   2009

Implantable CMOS Biomedical Devices Reviewed

Ohta Jun, Tokuda Takashi, Sasagawa Kiyotaka, Noda Toshihiko

Sensors   9 ( 11 )   9073 - 9093   2009

One-chip sensing device (biomedical photonic LSI) enabled to assess hippocampal steep and gradual up-regulated proteolytic activities Reviewed

Hideki Tamura, David C. Ng, Takashi Tokuda, Honda Noaki, Takuma Nakagawa, Taro Mizuno, Yumiko Hatanaka, Yasuyuki Ishikawa, Jun Ohta, Sadao Shiosaka

JOURNAL OF NEUROSCIENCE METHODS   173 ( 1 )   114 - 120   2008.8

An implantable and fully integrated complementary metal-oxide semiconductor device for in vivo neural imaging and electrical interfacing with the mouse hippocampus Reviewed

David C. Ng, Hideki Tamura, Taro Mizuno, Takashi Tokuda, Masahiro Nunoshita, Yasuyuki Ishikawa, Sadao Shiosaka, Jun Ohta

SENSORS AND ACTUATORS A-PHYSICAL   145   176 - 186   2008.7

Implantable microimagers Reviewed

David C. Ng, Takashi Tokuda, Sadao Shiosaka, Yasuo Tano, Jun Ohta

SENSORS   8 ( 5 )   3183 - 3204   2008.5

Retinal stimulation on rabbit using complementary metal oxide semiconductor based multichip flexible stimulator toward retinal prosthesis Reviewed

Takashi Tokuda, Ryosuke Asano, Sachie Sugitani, Mari Taniyama, Yasuo Terasawa, Masahiro Nunoshita, Kazuaki Nakauchi, Takashi Fujikado, Yasuo Tano, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   47 ( 4 )   3220 - 3225   2008.4

Integrated in vivo neural imaging and interface CMOS devices: Design, packaging, and implementation Reviewed

David C. Ng, Takuma Nakagawa, Taro Mizuno, Takashi Tokuda, Masahiro Nunoshita, Hideki Tamura, Yasuyuki Ishikawa, Sadao Shiosaka, Jun Ohta

IEEE SENSORS JOURNAL   8 ( 1-2 )   121 - 130   2008.1

An Implantable CMOS Image Sensor for Monitoring Deep Brain Activities of a Freely Moving Mouse Reviewed

Ohta, Jun, Higuchi, Asako, Tagawa, Ayato, Sasagawa, Kiyotaka, Tokuda, Takashi, Hatanaka, Yumiko, Tamura, Hideki, Shiosaka, Sadao, IEEE

2008 Ieee Biomedical Circuits and Systems Conference - Intelligent Biomedical Systems (Biocas)   269 - 272   2008

Multi-finger structure and pulsed-powering operation scheme for CMOS LSI-based flexible stimulator for retinal prosthesis. Reviewed

Jun Ohta, Tokuda, T., Asano, R., Hiyama, K., Terasawa, Y., Nishida, K., Kitaguchi, Y., Fujikado, T., Tano, Y., Ohta, J.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference   2008   4212 - 4215   2008

Biochip and biosensor

Tokuda Takashi

The Journal of the Institute of Television Engineers of Japan   62 ( 3 )   329 - 336   2008

CMOS LSI-based multi-chip flexible retinal prosthesis device for subretinal implantation Reviewed

Tokuda, T., Sawamura, S., Terasawa, Y., Tano, Y., Ohta, J., IEEE

Proceedings of the Ieee 2008 Custom Integrated Circuits Conference   325 - 328   2008

Polarization analyzing CMOS sensor for microchamber/microfluidic system based on image sensor technology Reviewed

Tokuda, T., Sato, S., Yamada, H., Ohta, J., IEEE

Proceedings of 2008 Ieee International Symposium on Circuits and Systems, Vols 1-10   3162 - 3165   2008

A new scheme for Imaging on-chip dry DNA spots using optical/potential dual-image complementary metal oxide semiconductor sensor Reviewed

Takashi Tokuda, Issei Kadowaki, Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   46 ( 4B )   2806 - 2810   2007.4

Fabrication and validation of multichip neural stimulator for in vivo experiments toward retinal prosthesis Reviewed

Takashi Tokuda, Sachie Sugitani, Mari Taniyama, Akihiro Uehara, Yasuo Terasawa, Keiichiro Kagawa, Masahiro Nunoshita, Yasuo Tano, Jun Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   46 ( 4B )   2792 - 2798   2007.4

Optical and electrochemical dual-image CMOS sensor for on-chip biomolecular sensing applications Reviewed

Takashi Tokuda, Kunihiro Tanaka, Masamichi Matsuo, Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta

SENSORS AND ACTUATORS A-PHYSICAL   135 ( 2 )   315 - 322   2007.4

Laboratory investigation of microelectronics-based stimulators for large-scale suprachoroidal transretinal stimulation (STS) Reviewed

J. Ohta, T. Tokuda, K. Kagawa, S. Sugitani, M. Taniyama, A. Uehara, Y. Terasawa, K. Nakauchi, T. Fujikado, Y. Tano

JOURNAL OF NEURAL ENGINEERING   4 ( 1 )   S85 - S91   2007.3

CMOS LSI-based multichip flexible neural stimulation device with embedded bulk Pt electrodes Reviewed

T. Tokuda, S. Sugitani, M. Taniyama, A. Uehara, Y. Terasawa, K. Kagawa, M. Nunoshita, J. Ohta

ELECTRONICS LETTERS   43 ( 1 )   10 - 12   2007.1

Towards a fully-integrated CMOS-based in vivo neural imaging and interface device Reviewed

Ng, D. C., Nakagawa, T., Mizuno, T., Tokuda, T., Nunoshita, M., Tamura, H., Ishikawa, Y., Shiosaka, S., Ohta, J., IEEE

Transducers '07 & Eurosensors Xxi, Digest of Technical Papers, Vols 1 and 2   423 - 426   2007

A multi-microchip retinal stimulator for in vitro/in vivo experiments

Jun Ohta, Takashi Tokuda, Keiichiro Kagawa, Akihiro Uehara, Yasuo Terasawa, Kazuaki Nakauchi, Takashi Fujikado, Yasuo Tano

Proceedings - IEEE International Symposium on Circuits and Systems   2024 - 2027   2007

In vivo stimulation on rabbit retina using CMOS LSI-based multi-chip flexible stimulator for retinal prosthesis. Reviewed

Jun Ohta, Tokuda, T., Asano, R., Sugitani, S., Terasawa, Y., Nunoshita, M., Nakauchi, K., Fujikado, T., Tano, Y., Ohta, J.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference   2007   5790 - 5793   2007

Si-LSI based stimulators for retinal prosthesis Reviewed

J. Ohta, T. Tokuda, K. Kagawa, A. Uehara, Y. Terasawa, K. Nakauchi, T. Fujikado, Y. Tano

2007 IEEE INTERNATIONAL JOINT CONFERENCE ON NEURAL NETWORKS, VOLS 1-6   2769 - +   2007

CMOS optical polarization analyzer chip for microchamber and microfluidic system

T. Tokuda, S. Sato, K. Kagawa, M. Nunoshita, J. Ohta

Proceedings of the 11th International Conference on Miniaturized Systems for Chemistry and Life Sciences, uTAS 2007   1753 - 1755   2007

The development of a multichannel electrode array for retinal prostheses Reviewed

Yasuo Terasawa, Hiroyuki Tashiro, Akihiro Uehara, Tohru Saitoh, Motoki Ozawa, Takashi Tokuda, Jun Ohta

Journal of Artificial Organs   9 ( 4 )   263 - 266   2006.12

On-chip biofluorescence imaging inside a brain tissue phantom using a CMOS image sensor for in vivo brain imaging verification Reviewed

David C. Ng, Takashi Tokuda, Akio Yamamoto, Masamichi Matsuo, Masahiro Nunoshita, Hideki Tamura, Yasuyuki Ishikawa, Sadao Shiosaka, Jun Ohta

SENSORS AND ACTUATORS B-CHEMICAL   119 ( 1 )   262 - 274   2006.11

Silicon LSI-based smart stimulators for retinal prosthesis. Reviewed

Ohta J, Tokuda T, Kagawa K, Furumiya T, Uehara A, Terasawa Y, Ozawa M, Fujikado T, Tano Y

IEEE engineering in medicine and biology magazine : the quarterly magazine of the Engineering in Medicine & Biology Society   25 ( 5 )   47 - 59   2006.9

Real time in vivo imaging and measurement of serine protease activity in the mouse hippocampus using a dedicated complementary metal-oxide semiconductor imaging device Reviewed

David C. Ng, Hideki Tamura, Takashi Tokuda, Akio Yamamoto, Masamichi Matsuo, Masahiro Nunoshita, Yasuyuki Ishikawa, Sadao Shiosaka, Jun Ohta

JOURNAL OF NEUROSCIENCE METHODS   156 ( 1-2 )   23 - 30   2006.9

Pulse frequency modulation based CMOS image sensor for subretinal stimulation Reviewed

David C. Ng, Tetsuo Furumiya, Koutaro Yasuoka, Akihiro Uehara, Keiichiro Kagawa, Takashi Tokuda, Masahiro Nunoshita, Jun Ohta

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS   53 ( 6 )   487 - 491   2006.6

Optimization of electrical stimulus pulse parameter for low-power operation of retinal prosthetic device Reviewed

T Furumiya, S Yamamoto, K Kagawa, T Tokuda, M Nunoshita, J Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS   45 ( 17-19 )   L505 - L507   2006.5

A complementary metal-oxide-semiconductor image sensor for on-chip in vitro and in vivo imaging of the mouse hippocampus Reviewed

DC Ng, T Tokuda, A Yamamoto, M Matsuo, M Nunoshita, H Tamura, Y Ishikawa, S Shiosaka, J Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   45 ( 4B )   3799 - 3806   2006.4

A CMOS image sensor with optical and potential dual imaging function for on-chip bioscientific applications Reviewed

T Tokuda, A Yamamoto, K Kagawa, M Nunoshita, J Ohta

SENSORS AND ACTUATORS A-PHYSICAL   125 ( 2 )   273 - 280   2006.1

Functional verification of pulse frequency modulation-based image sensor for retinal prosthesis by in vitro electrophysiological experiments using frog retina Reviewed

T Furumiya, DC Ng, K Yasuoka, K Kagawa, T Tokuda, M Nunoshita, J Ohta

BIOSENSORS & BIOELECTRONICS   21 ( 7 )   1059 - 1068   2006.1

3 In vitro and in vivo on-chip bio-fluorescence imaging using a CMOS image sensor Reviewed

DC Ng, M Matsuo, T Tokuda, K Kagawa, M Nunoshita, J Ohta

SENSORS, CAMERAS, AND SYSTEMS FOR SCIENTIFIC/INDUSTRIAL APPLICATIONS VII   6068   2006

An optical and potential dual-image CMOS sensor for on-chip neural and DNA imaging applications

Takashi Tokuda, David C. Ng, Akio Yamamoto, Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta

Proceedings - IEEE International Symposium on Circuits and Systems   1127 - 1130   2006

Toward 1000-ch electrode array based on distributed microchip architecture for retinal prosthesis

Jun Ohta, Takashi Tokuda, Keiichiro Kagawa, Akihiro Uehara, Yasuo Terasawa, Kenzo Shodo, Takashi Fujikado, Yasuo Tano

Proceedings - IEEE International Symposium on Circuits and Systems   4118 - 4122   2006

On-chip in vivo functional imaging of the mouse brain using a CMOS image sensor Reviewed

Ng, David C., Tokuda, Takashi, Kagawa, Keiichiro, Tamura, Hideki, Shiosaka, Sadao, Ohta, Jun, IEEE

2006 International Conference on Microtechnologies in Medicine and Biology   213 - 216   2006

SiGe/Si "Micro-origami" epitaxial MEMS device on SOI substrate Reviewed

Tokuda T, Nunoshita M, Ohta J

Third International SiGe Technology and Device Meeting, ISTDM 2006 - Conference Digest   2006   2006

A new neural imaging approach using a CMOS imaging device. Reviewed

Jun Ohta, Ng, D.C., Tokuda, T., Nakagawa, T., Tamura, H., Nunoshita, M., Ishikawa, Y., Shiosaka, S., Ohta, J.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference   1   1061 - 1064   2006

A new neural imaging approach using a CMOS imaging device Reviewed

David C. Ng, Takashi Tokuda, Takuma Nakagawa, Hideki Tamura, Masahiro Nunoshita, Yasuyuki Ishikawa, Sadao Shiosaka, Jun Ohta

Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings   1061 - 1064   2006

A multi-chip-architecture based flexible stimulation device for retinal prosthesis with a flip-chip packaging technique. Reviewed

Jun Ohta, Tokuda, T., Kawada, M., Sugitani, S., Taniyama, M., Uehara, A., Kagawa, K., Nunoshita, M., Ohta, J.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference   1   2920 - 2923   2006

Electrical stimulus experiments of the frog retina using a pulse frequency modulation image sensor for retinal prosthesis Reviewed

Jun Ohta, Furumiya, T., Yamamoto, S., Kagawa, K., Tokuda, T., Nunoshita, M., Ohta, J.

International Congress Series   1291   57 - 60   2006

Development of a CMOS imaging device for functional imaging inside the mouse brain Reviewed

Ng, David C., Tokuda, Takashi, Nakagawa, Takuma, Tamura, Hideki, Nunoshita, Masahiro, Ishikawa, Yasuyuki, Shiosaka, Sadao, Ohta, Jun, IEEE

2006 Ieee Asia Pacific Conference on Circuits and Systems   872 - 875   2006

A pulse-frequency-modulation vision chip using a capacitive feedback reset with an in-pixel 1-bit image processor Reviewed

K Kagawa, S Yamamoto, T Furumiya, T Tokuda, M Nunoshita, J Ohta

SENSORS, CAMERAS, AND SYSTEMS FOR SCIENTIFIC/INDUSTRIAL APPLICATIONS VII   6068   2006

An optical and potential dual-image CMOS sensor for bioscientific applications Reviewed

T Tokuda, A Yamamoto, K Kagawa, M Nunoshita, J Ohta

SENSORS, CAMERAS, AND SYSTEMS FOR SCIENTIFIC/INDUSTRIAL APPLICATIONS VII   6068   2006

Flexible and extensible retinal prosthesis based on multi-chip architecture Reviewed

Uehara, Akihiro, Terasawa, Yasuo, Tokuda, Takashi, Kagawa, Keiichiro, Nunoshita, Masahiro, Ohta, Jun

Ophthalmic Technologies Xvi   6138   2006

Flexible and extendible neural interface device based on cooperative multi-chip CMOS LSI architecture Reviewed

T Tokuda, YL Pan, A Uehara, K Kagawa, M Nunoshita, J Ohta

SENSORS AND ACTUATORS A-PHYSICAL   122 ( 1 )   88 - 98   2005.7

Nanoscopic observation of bistable piezoresponse, polarization retention, and domain imaging of sub-50 nm-thick (Pb,La)(ZrTi)O-3 thin films Reviewed

T Tokuda, T Nakano, D Fujiu, J Ohta, M Nunoshita

MATERIALS LETTERS   59 ( 10 )   1234 - 1238   2005.4

Flexible and extendible neural stimulation device with distributed multichip architecture for retinal prosthesis Reviewed

YL Pan, T Tokuda, A Uehara, K Kagawa, M Nunoshita, J Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   44 ( 4B )   2099 - 2103   2005.4

Micro-sized photo-detecting stimulator array for retinal prostesis by distributed sensor network approach Reviewed

A Uehara, YL Pan, K Kagawa, T Tokuda, J Ohta, M Nunoshita

SENSORS AND ACTUATORS A-PHYSICAL   120 ( 1 )   78 - 87   2005.4

Pulse modulation image sensors for on-chip bioimaging and biosensing applications Reviewed

T Tokuda, DC Ng, H Okamoto, K Kagawa, J Ohta

Sensors and Camera Systems for Scientific and Industrial Applications VI   5677   9 - 15   2005

Pulse modulation CMOS image sensor for bio-fluorescence imaging applications Reviewed

Jun Ohta, Takashi Tokuda, Keiichiro Kagawa, Masahiro Nunoshita, Sadao Shiosaka

Proceedings - IEEE International Symposium on Circuits and Systems   3487 - 3490   2005

A CMOS optical/potential image sensor with 7.5 μm pixel size for on-chip neural and DNA spot sensing

Takashi Tokuda, David C. Ng, Akio Yamamoto, Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta

Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings   7   7269 - 7272   2005

A CMOS optical/potential image sensor with 7.5μm pixel size for on-chip neural and DNA spot sensing. Reviewed

Tokuda T, Ng D, Yamamoto A, Kagawa K, Nunoshita M, Ohta J

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference   7   7269 - 7272   2005

Retinal prosthesis device based on pulse-frequency-modulation vision chip Reviewed

Jun Ohta, Keiichiro Kagawa, Takashi Tokuda, Masahiro Nunoshita

Proceedings - IEEE International Symposium on Circuits and Systems   2923 - 2926   2005

A multichip-architecture-based flexible and extendible neural stimulation device for retinal prosthesis

Takashi Tokuda, Akihiro Uehara, Jun Ohta, Yasuo Terasasa, Motoki Ozawa, Takashi Fujikado, Yasuo Tano

Micro Total Analysis Systems - Proceedings of MicroTAS 2005 Conference: 9th International Conference on Miniaturized Systems for Chemistry and Life Sciences   1   430 - 432   2005

A high-sensitive digital photosensor using MOS interface-trap charge pumping Reviewed

Akihiro Uehara, Keiichiro Kagawa, Takashi Tokuda, Jun Ohta, Masahiro Nunoshita

IEICE ELECTRONICS EXPRESS   1 ( 18 )   556 - 561   2004.12

Fabrication and current-drive of SiGe/Si 'Micro-origami' epitaxial MEMS device on SOI substrate Reviewed

T Tokuda, Y Sakano, D Mori, J Ohta, M Nunoshita, PO Vaccaro, A Vorob'ev, K Kubota, N Saito

ELECTRONICS LETTERS   40 ( 21 )   1333 - 1334   2004.10

Pulse-domain digital image processing for vision chips employing low-voltage operation in deep-submicrometer technologies Reviewed

K Kagawa, K Yasuoka, DC Ng, T Furumiya, T Tokuda, J Ohta, M Nunoshita

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS   10 ( 4 )   816 - 828   2004.7

CMOS retinal prosthesis with on-chip electrode impedance measurement Reviewed

A Uehara, DC Ng, K Kagawa, T Tokuda, J Ohta, M Nunoshita

ELECTRONICS LETTERS   40 ( 10 )   582 - 584   2004.5

Building a simple model of a pulse-frequency-modulation photosensor and demonstration of a 128 x 128-pixel pulse-frequency-modulation image sensor fabricated in a standard 0.35-mu m complementary metal-oxide semiconductor technology Reviewed

K Kagawa, N Yoshida, T Tokuda, J Ohta, M Nunoshita

OPTICAL REVIEW   11 ( 3 )   176 - 181   2004.5

A retinal prosthetic device using a pulse-frequency-modulation CMOS image sensor Reviewed

Ohta, J., Furumiya, T., Ng, DC, Uehara, A., Kagawa, K., Tokuda, T., Nunoshita, M., IEEE

Asp-Dac 2004: Proceedings of the Asia and South Pacific Design Automation Conference   549 - 550   2004

Flexible and extendible neural stimulation/recording device based on cooperative multi-chip CMOS LSI architecture Reviewed

T Tokuda, YL Pan, A Uehara, K Kagawa, J Ohta, M Nunoshita

PROCEEDINGS OF THE 26TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, VOLS 1-7   26   4322 - 4325   2004

Flexible and extendible neural stimulation/recording device based on cooperative multi-chip CMOS LSI architecture

Takashi Tokuda, Yi-Li Pan, Akihiro Uehara, Keiichiro Kagawa, Jun Ohta, Masahiro Nunoshita

Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings   26   4322 - 4325   2004

A 16x16-pixel pulse-frequency-modulation based image sensor for retinal prosthesis Reviewed

T Furumiya, DC Ng, K Yasuoka, F Shiraishi, K Kagawa, T Tokuda, J Ohta, M Nunoshita

PROCEEDINGS OF THE IEEE SENSORS 2004, VOLS 1-3   276 - 279   2004

A micro-sized photo detectable stimulator array for retinal prosthesis by distributed sensor network approach Reviewed

A Uehara, YL Pan, K Kagawa, T Tokuda, J Ohta, M Nunoshita

2004 SYMPOSIUM ON VLSI CIRCUITS, DIGEST OF TECHNICAL PAPERS   302 - 305   2004

Improvement of saturation characteristics of a frequency-demodulation CMOS image sensor Reviewed

Ohta, J., Yamamoto, K., Oya, Y., Kagawa, K., Tokuda, T., Nunoshita, M., IEEE

Asp-Dac 2004: Proceedings of the Asia and South Pacific Design Automation Conference   575 - 576   2004

Flexible and extendible neural stimulation/recording device based on cooperative multi-chip CMOS LSI architecture. Reviewed

Tokuda T, Pan YL, Uehara A, Kagawa K, Ohta J, Nunoshita M

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference   6   4322 - 4325   2004

Wide dynamic range pulse modulation image sensor for on-chip bioimaging applications Reviewed

T Tokuda, DC Ng, H Okamoto, K Kagawa, J Ohta, M Nunoshita

PROCEEDINGS OF THE IEEE SENSORS 2004, VOLS 1-3   818 - 821   2004

A study of bending effect on pulse-frequency-modulation-based photosensor for retinal prosthesis Reviewed

DC Ng, K Isakari, A Uehara, K Kagawa, T Tokuda, J Ohta, M Nunoshita

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS   42 ( 12 )   7621 - 7624   2003.12

SiGe/Si microtubes fabricated on a silicon-on-insulator substrate Reviewed

A Vorob'ev, P Vaccaro, K Kubota, T Aida, T Tokuda, T Hayashi, Y Sakano, J Ohta, M Nunoshita

JOURNAL OF PHYSICS D-APPLIED PHYSICS   36 ( 17 )   L67 - L69   2003.9

Back-illuminated pulse-frequency-modulated photosensor using silicon-on-sapphire technology developed for use as epi-retinal prosthesis device Reviewed

A Uehara, K Kagawa, T Tokuda, J Ohta, M Nunoshita

ELECTRONICS LETTERS   39 ( 15 )   1102 - 1104   2003.7

Pixel design of pulsed CMOS image sensor for retinal prosthesis with digital photosensitivity control Reviewed

K Kagawa, K Isakari, T Furumiya, A Uehara, T Tokuda, J Ohta, M Nunoshita

ELECTRONICS LETTERS   39 ( 5 )   419 - 421   2003.3

MBE growth mode and C incorporation of GeC epilayers on Si(001) substrates using an arc plasma gun as a novel C source Reviewed

M Okinaka, Y Hamana, T Tokuda, J Ohta, M Nunoshita

JOURNAL OF CRYSTAL GROWTH   249 ( 1-2 )   78 - 86   2003.2

System Implementation of a CMOS vision chip for visual recovery Reviewed

Uehara, A., Ng, DC, Furumiya, T., Isakari, K., Kagawa, K., Tokuda, T., Ohta, J., Nunoshita, M.

Sensors and Camera Systems For Scientific, Industrial, and Digital Photography Applications Iv   5017   30 - 37   2003

Effect of lower growth temperature on C incorporation in GeC epilayers on Si(0 0 1) grown by MBE Reviewed

Jun Ohta, Okinaka, M., Hamana, Y., Tokuda, T., Ohta, J., Nunoshita, M.

Physica E: Low-Dimensional Systems and Nanostructures   16 ( 3-4 )   473 - 475   2003

A CMOS neural-interface chip with 3-channel voltage monitoring for retinal prosthesis Reviewed

A Uehara, DC Ng, T Furumiya, K Kagawa, T Tokuda, J Ohta, M Nunoshita

IEEE EMBS APBME 2003   242 - 243   2003

Improvement of a pulse frequency modulation based photosensor for retinal prosthesis Reviewed

Ohta, J., Furumiya, T., Ng, DC, Uehara, A., Kagawa, K., Tokuda, T., Nunoshita, M., IEEE

Proceedings of the Ieee Sensors 2003, Vols 1 and 2   2 ( 1 )   171 - 174   2003