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 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)

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)

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)