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

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)

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)

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)

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)

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 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)