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)

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)

Safety assessment of semichronic suprachoroidal electrical stimulation to rabbit retina. - Yasuo Terasawa; Hiroyuki Tashiro; Yukari Nakano; Kouji Osawa; Motoki Ozawa (EMBC, 2013)

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)

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)

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)

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)

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)