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)

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)

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)

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)

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)

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)

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: Lensless Highly Sensitive Fluorescence Imaging. - Kiyotaka Sasagawa; Kenji Sugie; Yasumi Ohta; Mamiko Kawahara; Makito Haruta; 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)

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)

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)

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)

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)

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)

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)