Yasumi Ohta

20 papers C 1Journal 8Unranked 11
YearRankTypeTitle / Venue / Authors
2024 — conf
Effects of Excitation Light Polarization with FrontLight Structure on Lensless Fluorescence Imaging.
BioCAS
Arphorn Promking, Kiyotaka Sasagawa, Yoshinori Sunaga, Yasumi Ohta, Hironari Takehara, Makito Haruta, Hiroyuki Tashiro, Jun Ohta
2023 J jnl
Engineering a data processing pipeline for an ultra-lightweight lensless fluorescence imaging device with neuronal-cluster resolution.
Artif. Life Robotics
Zihao Yu, Mark Christian Guinto, Brian Godwin S. Lim, Renzo Roel P. Tan, Junichiro Yoshimoto, Kazushi Ikeda, Yasumi Ohta, Jun Ohta
2023 J jnl
Thin and Scalable Hybrid Emission Filter via Plasma Etching for Low-Invasive Fluorescence Detection.
Sensors
Erus Rustami, Kiyotaka Sasagawa, Kenji Sugie, Yasumi Ohta, Hironari Takehara, Makito Haruta, Hiroyuki Tashiro, Jun Ohta
2022 — conf
Development of Compact Readout Device for Neural Observation System using Fluorescence Imaging and Fast-scan Cyclic Voltammetry.
EMBC
Ronnakorn Siwadamrongpong, Nicha Sato, Kenji Sugie, Yasumi Ohta, Makito Haruta, Hironari Takehara, Hiroyuki Tashiro, Kiyotaka Sasagawa, Jun Ohta
2022 — conf
Mouse Brain Imaging Using a Self-Reset CMOS Image Sensor over 70-dB SNR.
MWSCAS
Kiyotaka Sasagawa, Pakpuwadon Thanet, Mark Christian Guinto, Yasumi Ohta, Makito Haruta, Hironari Takehara, Hiroyuki Tashiro, Jun Ohta
2021 — conf
Implantable CMOS image sensor with a neural amplifier for simultaneous recording of optical and electrophysiological signals.
BioCAS
Kenji Sugie, Kiyotaka Sasagawa, Yasumi Ohta, Hironari Takehara, Makito Haruta, Hiroyuki Tashiro, Jun Ohta
2021 J jnl
Micro-LED Array-Based Photo-Stimulation Devices for Optogenetics in Rat and Macaque Monkey Brains.
IEEE Access
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, Tadashi Isa, Kenta Kobayashi, Yasemin M. Akay, Metin Akay, Jun Ohta
2021 J jnl
Monitoring Neuronal Dynamics in the Ventral Tegmental Area Using an Implantable Microimaging Device With Microdialysis System.
IEEE Access
Yoshinori Sunaga, Yasumi Ohta, Takaaki E. Murakami, Yasemin M. Akay, Jun Ohta, Metin Akay
2020 — conf
Miniaturized CMOS imaging device for implantable applications.
VLSI-DAT
Kiyotaka Sasagawa, Makito Haruta, Yasumi Ohta, Hironari Takehara, Jun Ohta
2020 J jnl
Monitoring Neural Activities in the VTA in Response to Nicotine Intake Using a Novel Implantable Microimaging Device.
IEEE Access
Yoshinori Sunaga, Yasumi Ohta, Yasemin M. Akay, Jun Ohta, Metin Akay
2020 J jnl
Needle-Type Imager Sensor With Band-Pass Composite Emission Filter and Parallel Fiber-Coupled Laser Excitation.
IEEE Trans. Circuits Syst. I Fundam. Theory Appl.
Erus Rustami, Kiyotaka Sasagawa, Kenji Sugie, Yasumi Ohta, Makito Haruta, Toshihiko Noda, Takashi Tokuda, Jun Ohta
2019 C conf
A Thin Composite Emission Filter and Fiber Coupled Laser Excitation for Implantable Fluorescence Imager Application.
ISCAS
Erus Rustami, Kiyotaka Sasagawa, Yasumi Ohta, Makito Haruta, Toshihiko Noda, Takashi Tokuda, Jun Ohta
2019 — conf
Live Demonstration: Lensless Highly Sensitive Fluorescence Imaging.
BioCAS
Kiyotaka Sasagawa, Kenji Sugie, Yasumi Ohta, Mamiko Kawahara, Makito Haruta, Jun Ohta
2018 — conf
Excitation and Emission Filters for Implantable Fluorescence Imaging Devices by Laser Lift-Off Process.
BioCAS
Kiyotaka Sasagawa, Yasumi Ohta, Makito Haruta, Toshihiko Noda, Takashi Tokuda, Jun Ohta
2017 — conf
Fluorescence imaging device with an ultra-thin micro-LED.
BioCAS
Kiyotaka Sasagawa, Makito Haruta, Koki Fujimoto, Yasumi Ohta, Toshihiko Noda, Takashi Tokuda, Jun Ohta
2017 J jnl
Implantable Microimaging Device for Observing Brain Activities of Rodents.
Proc. IEEE
Jun Ohta, Yasumi Ohta, Hiroaki Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Makito Haruta, Takuma Kobayashi, Yasemin M. Akay, Metin Akay
2016 — conf
Hemodynamic imaging using an implantable self-reset image sensor.
BioCAS
Kiyotaka Sasagawa, Takahiro Yamaguchi, Makito Haruta, Yasumi Ohta, Hiroaki Takehara, Toshihiko Noda, Takashi Tokuda, Jun Ohta
2016 J jnl
In Vitro Long-Term Performance Evaluation and Improvement in the Response Time of CMOS-Based Implantable Glucose Sensors.
IEEE Des. Test
Takashi Tokuda, Toshikazu Kawamura, Keita Masuda, Tomohiro Hirai, Hironari Takehara, Yasumi Ohta, Mayumi Motoyama, Hiroaki Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Jun Ohta, Teru Okitsu, Shoji Takeuchi
2014 — conf
An implantable green fluorescence imaging device using absorption filters with high excitation light rejection ratio.
BioCAS
Yoshinori Sunaga, Makito Haruta, Takahiro Yamaguchi, Mayumi Motoyama, Yasumi Ohta, Hiroaki Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta
2012 — conf
A micro imaging device for measuring neural actvities in the mouse deep brain with minimal invasiveness.
BioCAS
Jun Ohta, Chikara Kitsumoto, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Mayumi Motoyama, Yasumi Ohta, Takuma Kobayashi, Yasuaki Ishikawa, Sadao Shiosaka