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)

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 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)

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)