Weight quantization in Boltzmann machines. - Wolfgang Balzer; Masanobu Takahashi; Jun Ohta; Kazuo Kyuma (Neural Networks, 1991)

Computer vision for computer games. - William T. Freeman; Ken-ichi Tanaka; Jun Ohta; Kazuo Kyuma (FG, 1996)

Experimental Studies on an Applet-based Document Viewer for Multilingual WWW Documents - Functional Extension of and Lessons Learned from Multilingual HTML. - Shigeo Sugimoto; Akira Maeda; Myriam Dartois; Jun Ohta; Shigetaka Nakao; Tetsuo Sakaguchi; Koichi Tabata (ECDL, 1998)

Pulse-Modulated Vision Chips with Versatile-Interconnected Pixels. - Jun Ohta; Akihiro Uehara; Takashi Tokuda; Masahiro Nunoshita (IPDPS Workshops, 2000)

An image-sensor-based optical receiver fabricated in a standard 0.35-µm CMOS technology for free-space optical communications. - Keiichiro Kagawa; Tomoaki Kawakami; Hiroaki Asazu; Takashi Ikeuchi; Akiko Fujiuchi; Jun Ohta; Masahiro Nunoshita (ASP-DAC, 2004)

A retinal prosthetic device using a pulse-frequency-modulation CMOS image sensor. - Jun Ohta; Tetsuo Furumiya; David C. Ng; Akihiro Uehara; Keiichiro Kagawa; Takashi Tokuda; Masahiro Nunoshita (ASP-DAC, 2004)

Improvement of saturation characteristics of a frequency-demodulation CMOS image sensor. - Jun Ohta; Keiichiro Kagawa; Koichi Yamamoto; Takashi Tokuda; Yu Oya; Masahiro Nunoshita (ASP-DAC, 2004)

A high-sensitive digital photosensor using MOS interface-trap charge pumping. - Akihiro Uehara; Keiichiro Kagawa; Takashi Tokuda; Jun Ohta; Masahiro Nunoshita (IEICE Electron. Express, 2004)

Retinal prosthesis device based on pulse-frequency-modulation vision chip. - Jun Ohta; Keiichiro Kagawa; Takashi Tokuda; Masahiro Nunoshita (ISCAS (3), 2005)

Pulse modulation CMOS image sensor for bio-fluorescence imaging applications. - Jun Ohta; Takahashi Tokuda; Keiichiro Kagawa; Masahiro Nunoshita; Sadao Shiosaka (ISCAS (4), 2005)

Development of a CMOS Imaging Device for Functional Imaging Inside the Mouse Brain. - David C. Ng; Takahashi Tokuda; Takuma Nakagawa; Hideki Tamura; Masahiro Nunoshita; Yasuyuki Ishikawa; Sadao Shiosaka; Jun Ohta (APCCAS, 2006)

A New Neural Imaging Approach Using a CMOS Imaging Device. - David C. Ng; Takashi Tokuda; Takuma Nakagawa; Hideki Tamura; Masahiro Nunoshita; Yasuyuki Ishikawa; Sadao Shiosaka; Jun Ohta (EMBC, 2006)

A multi-chip-architecture based flexible stimulation device for retinal prosthesis with a flip-chip packaging technique. - Takashi Tokuda; Masayuki Kawada; Sachie Sugitani; Mari Taniyama; Akihiro Uehara; Keiichiro Kagawa; Masahiro Nunoshita; Jun Ohta (EMBC, 2006)

Toward 1000-ch electrode array based on distributed microchip architecture for retinal prosthesis. - Jun Ohta; Takahashi Tokuda; Keiichiro Kagawa; Akihiro Uehara; Yasuo Terasawa; Kenzo Shodo; Takashi Fujikado; Yasuo Tano (ISCAS, 2006)

An optical and potential dual-image CMOS sensor for on-chip neural and DNA imaging applications. - Takahashi Tokuda; David C. Ng; Akio Yamamoto; Keiichiro Kagawa; Masahiro Nunoshita; Jun Ohta (ISCAS, 2006)

Pulse frequency modulation based CMOS image sensor for subretinal stimulation. - David C. Ng; Tetsuo Furumiya; Koichi Yasuoka; Akihiro Uehara; Keiichiro Kagawa; Takashi Tokuda; Masahiro Nunoshita; Jun Ohta (IEEE Trans. Circuits Syst. II Express Briefs, 2006)

Integration of CMOS and MEMS Technologies in the Development of a Neural Imaging and Interface Device: Showcase of an Emerging Bioimaging Technique. - David C. Ng; Taro Mizuno; Takashi Tokuda; Masahiro Nunoshita; Hideki Tamura; Yasuyuki Ishikawa; Sadao Shiosaka; Jun Ohta (CICC, 2007)

A multi-microchip retinal stimulator for in vitro / in vivo experiments. - Jun Ohta; Takahashi Tokuda; Keiichiro Kagawa; Akihiro Uehara; Yasuo Terasawa; Kazuaki Nakauchi; Takashi Fujikado; Yasuo Tano (ISCAS, 2007)

A low-voltage PWM CMOS imager with small pixel size using an in-pixel gate-common comparator. - Keiichiro Kagawa; Sanshiro Shishido; Tatsuya Sasaki; Itsuki Nagahata; Masahiro Nunoshita; Jun Ohta (IEICE Electron. Express, 2007)

Preliminary Demonstration of 1.0 V CMOS Imager with Semi-Pixel-Level ADC Based on Pulse-Width-Modulation Pixel Readout. - Keiichiro Kagawa; Makoto Shouho; Kazuo Hashiguchi; Masahiro Nunoshita; Jun Ohta (IEICE Trans. Electron., 2007)

CMOS LSI-based multi-chip flexible retinal prosthesis device for subretinal implantation. - Takashi Tokuda; Shigeki Sawamura; Yasuo Terasawa; Yasuo Tano; Jun Ohta (CICC, 2008)

Polarization analyzing CMOS sensor for microchamber/microfluidic system based on image sensor technology. - Takashi Tokuda; Sho Sato; Hirofumi Yamada; Jun Ohta (ISCAS, 2008)

A 3.6pW/frame·pixel 1.35V PWM CMOS Imager with Dynamic Pixel Readout and no Static Bias Current. - K. Kagawau; Sanshiro Shishido; Masahiro Nunoshita; Jun Ohta (ISSCC, 2008)

A visual prosthesis with 100 electrodes featuring wireless signals and wireless power transmission. - Yasuo Terasawa; Akihiro Uehara; Eiji Yonezawa; Tohru Saitoh; Kenzo Shodo; Motoki Ozawa; Yasuo Tano; Jun Ohta (IEICE Electron. Express, 2008)

CMOS-based flexible multi-site retinal stimulator toward retinal prosthesis technology. - Takashi Tokuda; Yoichi Takeuchi; Toshihiko Noda; Kiyotaka Sasagawa; Jun Ohta (CICC, 2009)

Polarization-analyzing CMOS Image Sensor using Monolithically Embedded Polarizer for Microchemistry Systems. - Takashi Tokuda; Hirofumi Yamada; Kiyotaka Sasagawa; Jun Ohta (ISCAS, 2009)

Implantable CMOS Biomedical Devices. - Jun Ohta; Takashi Tokuda; Kiyotaka Sasagawa; Toshihiko Noda (Sensors, 2009)

Polarization-Analyzing CMOS Image Sensor With Monolithically Embedded Polarizer for Microchemistry Systems. - Takashi Tokuda; Hirofumi Yamada; Kiyotaka Sasagawa; Jun Ohta (IEEE Trans. Biomed. Circuits Syst., 2009)

Circuits for portable medical electronic systems. - Jos Huisken; Alice Wang; Andrea Baschirotto; Alison J. Burdett; Tim Denison; Maysam Ghovanloo; Jun Ohta; Zhihua Wang (ISSCC, 2010)

High-speed image sensor technologies. - Johannes Solhusvik; Jung-Chak Ahn; Jan T. Bosiers; Boyd Fowler; Makoto Ikeda; Shoji Kawahito; Jerry Lin; Dan McGrath; Katsu Nakamura; Jun Ohta; Ramchan Woo (ISSCC, 2010)

Development and in vivo Demonstration of CMOS-Based Multichip Retinal Stimulator With Simultaneous Multisite Stimulation Capability. - Takashi Tokuda; Yoichi Takeuchi; Yuki Sagawa; Toshihiko Noda; Kiyotaka Sasagawa; Kentaro Nishida; Takashi Fujikado; Jun Ohta (IEEE Trans. Biomed. Circuits Syst., 2010)

Wireless intra-brain communication for image transmission through mouse brain. - Kiyotaka Sasagawa; Takashi Matsuda; Peter Davis; Bing Zhang 002; Keren Li; Takuma Kobayashi; Toshihiko Noda; Takashi Tokuda; Jun Ohta (EMBC, 2011)

CMOS-based smart-electrode-type retinal stimulator with bullet-shaped bulk Pt electrodes. - Takashi Tokuda; Takasuke Ito; Takuya Kitao; Toshihiko Noda; Kiyotaka Sasagawa; Yasuo Terasawa; Hiroyuki Tashiro; Hironari Kanda; Takashi Fujikado; Jun Ohta (EMBC, 2011)

Wireless sensor systems: Solution & technology. - Pascal Urard; Jun Ohta (ISSCC, 2011)

Fabrication of a flexible neural interface device with CMOS-based smart electrodes. - Toshihiko Noda; Takuya Kitao; Takasuke Ito; Kiyotaka Sasagawa; Takashi Tokuda; Yasuo Terasawa; Hiroyuki Tashiro; Hiroyuki Kanda; Takashi Fujikado; Jun Ohta (VLSI-SoC, 2011)

Micro CMOS image sensor for multi-area imaging. - Kiyotaka Sasagawa; Hiroyuki Masuda; Ayato Tagawa; Takuma Kobayashi; Toshihiko Noda; Takashi Tokuda; Jun Ohta (VLSI-SoC, 2011)

CMOS Imaging Devices for Biomedical Applications. - Jun Ohta; Takuma Kobayashi; Toshihiko Noda; Kiyotaka Sasagawa; Takashi Tokuda (IEICE Trans. Commun., 2011)

Artificial Retina IC. - Jun Ohta (Bio-Medical CMOS ICs, 2011)

A micro imaging device for measuring neural actvities in the mouse deep brain with minimal invasiveness. - Jun Ohta; Chikara Kitsumoto; Toshihiko Noda; Kiyotaka Sasagawa; Takashi Tokuda; Mayumi Motoyama; Yasumi Ohta; Takuma Kobayashi; Yasuaki Ishikawa; Sadao Shiosaka (BioCAS, 2012)

Image signal transmission through brain by an implantable micro-imager. - Kiyotaka Sasagawa; Shogo Yokota; Chikara Kitsumoto; Takashi Matsuda; Peter Davis; Bing Zhang 002; Keren Li; Toshihiko Noda; Takashi Tokuda; Jun Ohta (BioCAS, 2012)

Baseband signal transmission experiment for intra-brain communication with implantable image sensor. - Kiyotaka Sasagawa; Shogo Yokota; Takashi Matsuda; Peter Davis; Bing Zhang 002; Keren Li; Takuma Kobayashi; Toshihiko Noda; Takashi Tokuda; Jun Ohta (EMBC, 2012)

A CMOS-based on-chip neural interface device equipped with integrated LED array for optogenetics. - Takashi Tokuda; Tomoaki Miyatani; Yasuyo Maezawa; Takuma Kobayashi; Toshihiko Noda; Kiyotaka Sasagawa; Jun Ohta (EMBC, 2012)

Proposal and evaluation of intra-body sensing via sheet medium. - Takashi Matsuda; Bing Zhang 002; Keren Li; Kiyotaka Sasagawa; Jun Ohta; Peter Davis (INSS, 2012)

Implantable image sensor based on intra-brain image transmission. - Kiyotaka Sasagawa; Yoshiaki Ishii; Shogo Yokota; Takashi Matsuda; Peter Davis; Bing Zhang 002; Keren Li; Toshihiko Noda; Takashi Tokuda; Jun Ohta (EMBC, 2013)

An in vitro demonstration of CMOS-based optoelectronic neural interface device for optogenetics. - Takashi Tokuda; S. Nakajima; Y. Maezawa; Toshihiko Noda; Kiyotaka Sasagawa; Yasuyuki Ishikawa; Sadao Shiosaka; Jun Ohta (EMBC, 2013)

A CMOS microchip-based retinal prosthetic device for large numbers of stimulation in wide area. - Jun Ohta; Toshihiko Noda; Kiyotaka Sasagawa; Takashi Tokuda; Yasuo Terasawa; Hironari Kanda; Takashi Fujikado (ISCAS, 2013)

Demonstration of implantable CMOS image sensors for functional brain imaging. - Kiyotaka Sasagawa; Yoshinori Sunaga; Makito Haruta; Takahiro Yamaguchi; Hironari Takehara; Hiroaki Takehara; Toshihiko Noda; Takashi Tokuda; Jun Ohta (BioCAS, 2014)

An implantable image sensor with self-reset function for brain imaging. - Kiyotaka Sasagawa; Takahiro Yamaguchi; Makito Haruta; Yoshinori Sunaga; Hironari Takehara; Toshihiko Noda; Takashi Tokuda; Jun Ohta (BioCAS, 2014)

An implantable green fluorescence imaging device using absorption filters with high excitation light rejection ratio. - Yoshinori Sunaga; Makito Haruta; Takahiro Yamaguchi; Mayumi Motoyama; Yasumi Ohta; Hiroaki Takehara; Toshihiko Noda; Kiyotaka Sasagawa; Takashi Tokuda; Jun Ohta (BioCAS, 2014)

High coupling efficiency contact imaging system having micro light pipe array for a digital enzyme-linked immunosorbent assay. - Hironari Takehara; Mizuki Nagasaki; Kiyotaka Sasagawa; Hiroaki Takehara; Toshihiko Noda; Takashi Tokuda; Hiroyuki Noji; Jun Ohta (BioCAS, 2015)

CMOS-based on-chip neural interface devices for optogenetics. - Takashi Tokuda; Hiroaki Takehara; Toshihiko Noda; Kiyotaka Sasagawa; Jun Ohta (BioCAS, 2015)

Fabrication and functional demonstration of a smart electrode with a built-in CMOS microchip for neural stimulation of a retinal prosthesis. - Toshihiko Noda; Takumi Fujisawa; Ryohei Kawasaki; Hiroyuki Tashiro; Hiroaki Takehara; Kiyotaka Sasagawa; Takashi Tokuda; Jun Ohta (EMBC, 2015)

Hemodynamic imaging using an implantable self-reset image sensor. - Kiyotaka Sasagawa; Takahiro Yamaguchi; Makito Haruta; Yasumi Ohta; Hiroaki Takehara; Toshihiko Noda; Takashi Tokuda; Jun Ohta (BioCAS, 2016)

Compact lensless digital counting system for fluorescent micro-reaction-chamber array. - Hironari Takehara; Yuta Nakamoto; Kiyotaka Sasagawa; Hiroaki Takehara; Toshihiko Noda; Takashi Tokuda; Jun Ohta (BioCAS, 2016)

CMOS-based opto-electronic neural interface devices for optogenetics. - Takashi Tokuda; Satoki Noguchi; Satoru Iwasaki; Hiroaki Takehara; Toshihiko Noda; Kiyotaka Sasagawa; Jun Ohta (EMBC, 2016)

On-chip fluorescence detection system with high-density microchamber array based on CMOS image sensor. - Jun Ohta; Hironari Takehara; Kiyotaka Sasagawa; Hiroaki Takehara; Toshihiko Noda; Takashi Tokuda (ISCAS, 2016)

Neural stimulators for retinal prosthesis embedded with CMOS microchips. - Toshihiko Noda; Hiroaki Takehara; Kiyotaka Sasagawa; Takashi Tokuda; Jun Ohta (MWSCAS, 2016)

Features of retinal prosthesis using suprachoroidal transretinal stimulation from an electrical circuit perspective. - Yasuo Terasawa; Kenzo Shodo; Koji Osawa; Jun Ohta (VLSI Circuits, 2016)

A Multichannel Power-Supply-Modulated Microstimulator With Energy Recycling. - Paul Jung-Ho Lee; Amine Bermak; Man Kay Law; Jun Ohta (IEEE Des. Test, 2016)

In Vitro Long-Term Performance Evaluation and Improvement in the Response Time of CMOS-Based Implantable Glucose Sensors. - Takashi Tokuda; Toshikazu Kawamura; Keita Masuda; Tomohiro Hirai; Hironari Takehara; Yasumi Ohta; Mayumi Motoyama; Hiroaki Takehara; Toshihiko Noda; Kiyotaka Sasagawa; Jun Ohta; Teru Okitsu; et al. (IEEE Des. Test, 2016)

CMOS-Based Optoelectronic On-Chip Neural Interface Device. - Takashi Tokuda; Hiroaki Takehara; Toshihiko Noda; Kiyotaka Sasagawa; Jun Ohta (IEICE Trans. Electron., 2016)

Emerging technologies for biomedical applications: Artificial vision systems and brain machine interface. - Masaharu Imai; Yoshinori Takeuchi; Jun Ohta; Gregg Jørgen Suaning; Chung-Yu Wu; Napoleon Torres-Martinez (ASP-DAC, 2017)

Smart electrode - toward a retinal stimulator with the large number of electrodes. - Jun Ohta (ASP-DAC, 2017)

Fabrication and in vivo demonstration of microchip-embedded smart electrode device for neural stimulation in retinal prosthesis. - Toshihiko Noda; Shinya Nishimura; Yukari Nakano; Yasuo Terasawa; Makito Haruta; Kiyotaka Sasagawa; Takashi Tokuda; Jun Ohta (BioCAS, 2017)

Fluorescence imaging device with an ultra-thin micro-LED. - Kiyotaka Sasagawa; Makito Haruta; Koki Fujimoto; Yasumi Ohta; Toshihiko Noda; Takashi Tokuda; Jun Ohta (BioCAS, 2017)

Parylene-based flexible imaging device for physiological measurement of rodent brain. - Takahiro Yamaguchi; Hajime Hayami; Yoshinori Sunaga; Makito Haruta; Toshihiko Noda; Kiyotaka Sasagawa; Takashi Tokuda; Jun Ohta (IEEE SENSORS, 2017)

Optical sensor and interface technologies for implantable biomedical devices. - Jun Ohta (IWASI, 2017)

CMOS-based opto-electric neural interface devices for optogenetics. - Takashi Tokuda; Makito Haruta; Toshihiko Noda; Kiyotaka Sasagawa; Jun Ohta (MWSCAS, 2017)

A high-precision CMOS biophotometry sensor with noise cancellation and two-step A/D conversion. - Mehdi Noormohammadi Khiarak; Kiyotaka Sasagawa; Takashi Tokuda; Jun Ohta; Sylvain Martel; Yves De Koninck; Benoit Gosselin (NEWCAS, 2017)

Stimulator Design of Retinal Prosthesis. - Jun Ohta; Toshihiko Noda; Kenzo Shodo; Yasuo Terasawa; Makito Haruta; Kiyotaka Sasagawa; Takashi Tokuda (IEICE Trans. Electron., 2017)

Implantable Microimaging Device for Observing Brain Activities of Rodents. - Jun Ohta; Yasumi Ohta; Hiroaki Takehara; Toshihiko Noda; Kiyotaka Sasagawa; Takashi Tokuda; Makito Haruta; Takuma Kobayashi; Yasemin M. Akay; Metin Akay (Proc. IEEE, 2017)

Guest Editorial - Special Issue on Selected Papers From IEEE BioCAS 2016. - Manuel Delgado-Restituto; Pedram Mohseni; Jun Ohta (IEEE Trans. Biomed. Circuits Syst., 2017)

Battery-Free. Sticker-Like, Device for Health Monitoring, Operated by Optical Power Transfer. - Wuthibenjaphonchai Nattakarn; Makito Haruta; Toshihiko Noda; Kiyotaka Sasagawa; Takashi Tokuda; Mohamad Sawan; Sandro Carrara; Jun Ohta (BioCAS, 2018)

Excitation and Emission Filters for Implantable Fluorescence Imaging Devices by Laser Lift-Off Process. - Kiyotaka Sasagawa; Yasumi Ohta; Makito Haruta; Toshihiko Noda; Takashi Tokuda; Jun Ohta (BioCAS, 2018)

Live Demonstration: An Energy-Efficient CMOS Biophotometry Sensor Interface. - Mehdi Noormohammadi Khiarak; Kiyotaka Sasagawa; Takashi Tokuda; Jun Ohta; Sylvain Martel; Yves De Koninck; Benoit Gosselin (ISCAS, 2018)

An Energy-Efficient CMOS Biophotometry Sensor With Incremental DT-∑Δ ADC Conversion. - Mehdi Noormohammadi Khiarak; Kiyotaka Sasagawa; Takashi Tokuda; Jun Ohta; Sylvain Martel; Yves De Koninck; Benoit Gosselin (ISCAS, 2018)

Active Control of μLED Arrays for Optogenetic Stimulation. - Leila Montazeri; Nizar El Zarif; Takashi Tokuda; Jun Ohta; Mohamad Sawan (ISCAS, 2018)

Live Demonstration: IoT micronode with optical ID transmission capability operated by optical energy harvesting. - Takashi Tokuda; Wuthibenjaphonchai Nattakarn; Takaaki Ishizu; Makito Haruta; Toshihiko Noda; Kiyotaka Sasagawa; Jun Ohta; Mohamad Sawan (ISCAS, 2018)

A 17-bit 104-dB-DR High-Precision Low-Power CMOS Fluorescence Biosensor With Extended Counting ADC and Noise Cancellation. - Mehdi Noormohammadi Khiarak; Kiyotaka Sasagawa; Takashi Tokuda; Jun Ohta; Sylvain Martel; Yves De Koninck; Benoit Gosselin (NEWCAS, 2018)

Compact Lensless Fluorescence Counting System for Single Molecular Assay. - Hironari Takehara; Yuta Nakamoto; Narihito Ikeda; Kiyotaka Sasagawa; Makito Haruta; Toshihiko Noda; Takashi Tokuda; Jun Ohta (IEEE Trans. Biomed. Circuits Syst., 2018)

Live Demonstration: Lensless Highly Sensitive Fluorescence Imaging. - Kiyotaka Sasagawa; Kenji Sugie; Yasumi Ohta; Mamiko Kawahara; Makito Haruta; Jun Ohta (BioCAS, 2019)

Multispectral Near-infrared Imaging Technologies for Nonmydriatic Fundus Camera. - Hironari Takehara; Hirofumi Sumi; Wang Ze; Takahiro Kondo; Makito Haruta; Kiyotaka Sasagawa; Jun Ohta (BioCAS, 2019)

A Thin Composite Emission Filter and Fiber Coupled Laser Excitation for Implantable Fluorescence Imager Application. - Erus Rustami; Kiyotaka Sasagawa; Yasumi Ohta; Makito Haruta; Toshihiko Noda; Takashi Tokuda; Jun Ohta (ISCAS, 2019)

A CMOS 256-Pixel Self-Photovoltaics-Powered Subretinal Prosthetic Chip with Wide Image Dynamic Range and Shared Electrodes and Its In Vitro Experimental Results on Rd1 Mice. - Chung-Yu Wu; Chi-Kuan Tzeng; Shih-Yun Huang; Fang-Liang Chu; Chuan-Chin Chiao; Yueh-Chun Tsai; Jun Ohta; Toshihiko Noda (MWSCAS, 2019)

Miniaturized CMOS imaging device for implantable applications. - Kiyotaka Sasagawa; Makito Haruta; Yasumi Ohta; Hironari Takehara; Jun Ohta (VLSI-DAT, 2020)

Monitoring Neural Activities in the VTA in Response to Nicotine Intake Using a Novel Implantable Microimaging Device. - Yoshinori Sunaga; Yasumi Ohta; Yasemin M. Akay; Jun Ohta; Metin Akay (IEEE Access, 2020)

Guest Editorial: Special Issue on Selected Papers From IEEE BioCAS 2019. - Jun Ohta; Benoit Gosselin; Takashi Tokuda (IEEE Trans. Biomed. Circuits Syst., 2020)

Improved Charge Pump Design and Ex Vivo Experimental Validation of CMOS 256-Pixel Photovoltaic-Powered Subretinal Prosthetic Chip. - 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; et al. (IEEE Trans. Biomed. Eng., 2020)

Needle-Type Imager Sensor With Band-Pass Composite Emission Filter and Parallel Fiber-Coupled Laser Excitation. - Erus Rustami; Kiyotaka Sasagawa; Kenji Sugie; Yasumi Ohta; Makito Haruta; Toshihiko Noda; Takashi Tokuda; Jun Ohta (IEEE Trans. Circuits Syst. I Fundam. Theory Appl., 2020)

CMOS 256-Pixel/480-Pixel Photovoltaic-Powered Subretinal Prosthetic Chips With Wide Image Dynamic Range and Bi/Four-Directional Sharing Electrodes and Their Ex Vivo Experimental Validations With Mice. - Chung-Yu Wu; Chi-Kuan Tseng; Jung-Hsing Liao; Chuan-Chin Chiao; Fang-Liang Chu; Yueh-Chun Tsai; Jun Ohta; Toshihiko Noda (IEEE Trans. Circuits Syst., 2020)

Implantable CMOS image sensor with a neural amplifier for simultaneous recording of optical and electrophysiological signals. - Kenji Sugie; Kiyotaka Sasagawa; Yasumi Ohta; Hironari Takehara; Makito Haruta; Hiroyuki Tashiro; Jun Ohta (BioCAS, 2021)

Design of an Artificial Tongue Driven by Shape Memory Alloy Fibers. - Yasuyuki Shiraishi; Akihiro Yamada; Genta Sahara; Tomoyuki Yambe; Kengo Kato; Jun Ohta; Yukio Katori; Dai Homma (EMBC, 2021)

Advanced Multi-NIR Spectral Image Sensor with Optimized Vision Sensing System and Its Impact on Innovative Applications. - Hirofumi Sumi; Hironari Takehara; Jun Ohta; Masatoshi Ishikawa (VLSI Circuits, 2021)

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; et al. (IEEE Access, 2021)

Monitoring Neuronal Dynamics in the Ventral Tegmental Area Using an Implantable Microimaging Device With Microdialysis System. - Yoshinori Sunaga; Yasumi Ohta; Takaaki E. Murakami; Yasemin M. Akay; Jun Ohta; Metin Akay (IEEE Access, 2021)

Development of Compact Readout Device for Neural Observation System using Fluorescence Imaging and Fast-scan Cyclic Voltammetry. - Ronnakorn Siwadamrongpong; Nicha Sato; Kenji Sugie; Yasumi Ohta; Makito Haruta; Hironari Takehara; Hiroyuki Tashiro; Kiyotaka Sasagawa; Jun Ohta (EMBC, 2022)

Mouse Brain Imaging Using a Self-Reset CMOS Image Sensor over 70-dB SNR. - Kiyotaka Sasagawa; Pakpuwadon Thanet; Mark Christian Guinto; Yasumi Ohta; Makito Haruta; Hironari Takehara; Hiroyuki Tashiro; Jun Ohta (MWSCAS, 2022)

Clear Fundus Images Through High-Speed Tracking Using Glare-Free IR Color Technology. - Motoshi Sobue; Hirokazu Takata; Hironari Takehara; Makito Haruta; Hiroyuki Tashiro; Kiyotaka Sasagawa; Ryo Kawasaki; Jun Ohta (J. Robotics Mechatronics, 2022)

Precise Temporal Control of Interferential Neural Stimulation via Phase Modulation. - Yasuo Terasawa; Hiroyuki Tashiro; Tokio Ueno; Jun Ohta (IEEE Trans. Biomed. Eng., 2022)

Front-light Structure for a Lensless Fluorescence Imaging Device with a Hybrid Emission Filter. - Kiyotaka Sasagawa; Yuki Ito; Daniel Schaeffer; Yoshinori Sunaga; Hironari Takehara; Makito Haruta; Hiroyuki Tashiro; Jun Ohta (BioCAS, 2023)

Thin and Scalable Hybrid Emission Filter via Plasma Etching for Low-Invasive Fluorescence Detection. - Erus Rustami; Kiyotaka Sasagawa; Kenji Sugie; Yasumi Ohta; Hironari Takehara; Makito Haruta; Hiroyuki Tashiro; Jun Ohta (Sensors, 2023)

Engineering a data processing pipeline for an ultra-lightweight lensless fluorescence imaging device with neuronal-cluster resolution. - Zihao Yu; Mark Christian Guinto; Brian Godwin S. Lim; Renzo Roel P. Tan; Junichiro Yoshimoto; Kazushi Ikeda; Yasumi Ohta; Jun Ohta (Artif. Life Robotics, 2023)

Charge-Pump-Circuit Implementation for Increasing Sink Current in Low-Volage CMOS Retinal-Prosthesis Chips. - Wisaroot Sriitsaranusorn; Yuki Nakanishi; Takaya Hattori; Kuang-Chih Tso; Kenzo Shodo; Hironari Takehara; Yoshinori Sunaga; Makito Haruta; Hiroyuki Tashiro; Yasuo Terasawa; Jun Ohta; Kiyotaka Sasagawa (APCCAS, 2024)

Effects of Excitation Light Polarization with FrontLight Structure on Lensless Fluorescence Imaging. - Arphorn Promking; Kiyotaka Sasagawa; Yoshinori Sunaga; Yasumi Ohta; Hironari Takehara; Makito Haruta; Hiroyuki Tashiro; Jun Ohta (BioCAS, 2024)

Exposure Time Control Method for Higher Intermediate Frequency in Optical Heterodyne Imaging and Its Application to Electric-Field Imaging Based on Electro-Optic Effect. - Kiyotaka Sasagawa; Ryoma Okada; Yoshihiro Akamatsu; Maya Mizuno; Hironari Takehara; Makito Haruta; Hiroyuki Tashiro; Jun Ohta (Sensors, 2024)

Millimeter-Wave Band Electro-Optical Imaging System Using Polarization CMOS Image Sensor and Amplified Optical Local Oscillator Source. - Ryoma Okada; Maya Mizuno; Tomoaki Nagaoka; Hironari Takehara; Makito Haruta; Hiroyuki Tashiro; Jun Ohta; Kiyotaka Sasagawa (Sensors, 2024)

Microwave electro-optical imaging system using a frequency tracking optical local oscillator source with a polarization CMOS image sensor. - Ryoma Okada; Maya Mizuno; Hironari Takehara; Makito Haruta; Hiroyuki Tashiro; Jun Ohta; Kiyotaka Sasagawa (IEICE Electron. Express, 2025)