Jun Ohta

ORCID

Publication Activity (10 Years)

Years Active: 1991-2024
Publications (10 Years): 55

Top Venues

Publications

Ryoma Okada, Maya Mizuno, Tomoaki Nagaoka, Hironari Takehara, Makito Haruta, Hiroyuki Tashiro, Jun Ohta, Kiyotaka Sasagawa
Millimeter-Wave Band Electro-Optical Imaging System Using Polarization CMOS Image Sensor and Amplified Optical Local Oscillator Source. Sensors 24 (13) (2024)
Kiyotaka Sasagawa, Ryoma Okada, Yoshihiro Akamatsu, Maya Mizuno, Hironari Takehara, Makito Haruta, Hiroyuki Tashiro, Jun Ohta
Exposure Time Control Method for Higher Intermediate Frequency in Optical Heterodyne Imaging and Its Application to Electric-Field Imaging Based on Electro-Optic Effect. Sensors 24 (4) (2024)
Kiyotaka Sasagawa, Yuki Ito, Daniel Schaeffer, Yoshinori Sunaga, Hironari Takehara, Makito Haruta, Hiroyuki Tashiro, Jun Ohta
Front-light Structure for a Lensless Fluorescence Imaging Device with a Hybrid Emission Filter. BioCAS (2023)
Erus Rustami, Kiyotaka Sasagawa, Kenji Sugie, Yasumi Ohta, Hironari Takehara, Makito Haruta, Hiroyuki Tashiro, Jun Ohta
Thin and Scalable Hybrid Emission Filter via Plasma Etching for Low-Invasive Fluorescence Detection. Sensors 23 (7) (2023)
Zihao Yu, Mark Christian Guinto, Brian Godwin S. Lim, Renzo Roel P. Tan, Junichiro Yoshimoto, Kazushi Ikeda, Yasumi Ohta, Jun Ohta
Engineering a data processing pipeline for an ultra-lightweight lensless fluorescence imaging device with neuronal-cluster resolution. Artif. Life Robotics 28 (3) (2023)
Ronnakorn Siwadamrongpong, Nicha Sato, Kenji Sugie, Yasumi Ohta, Makito Haruta, Hironari Takehara, Hiroyuki Tashiro, Kiyotaka Sasagawa, Jun Ohta
Development of Compact Readout Device for Neural Observation System using Fluorescence Imaging and Fast-scan Cyclic Voltammetry. EMBC (2022)
Motoshi Sobue, Hirokazu Takata, Hironari Takehara, Makito Haruta, Hiroyuki Tashiro, Kiyotaka Sasagawa, Ryo Kawasaki, Jun Ohta
Clear Fundus Images Through High-Speed Tracking Using Glare-Free IR Color Technology. J. Robotics Mechatronics 34 (5) (2022)
Kiyotaka Sasagawa, Pakpuwadon Thanet, Mark Christian Guinto, Yasumi Ohta, Makito Haruta, Hironari Takehara, Hiroyuki Tashiro, Jun Ohta
Mouse Brain Imaging Using a Self-Reset CMOS Image Sensor over 70-dB SNR. MWSCAS (2022)
Yasuo Terasawa, Hiroyuki Tashiro, Tokio Ueno, Jun Ohta
Precise Temporal Control of Interferential Neural Stimulation via Phase Modulation. IEEE Trans. Biomed. Eng. 69 (1) (2022)
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
Micro-LED Array-Based Photo-Stimulation Devices for Optogenetics in Rat and Macaque Monkey Brains. IEEE Access 9 (2021)
Hirofumi Sumi, Hironari Takehara, Jun Ohta, Masatoshi Ishikawa
Advanced Multi-NIR Spectral Image Sensor with Optimized Vision Sensing System and Its Impact on Innovative Applications. VLSI Circuits (2021)
Yoshinori Sunaga, Yasumi Ohta, Takaaki E. Murakami, Yasemin M. Akay, Jun Ohta, Metin Akay
Monitoring Neuronal Dynamics in the Ventral Tegmental Area Using an Implantable Microimaging Device With Microdialysis System. IEEE Access 9 (2021)
Yasuyuki Shiraishi, Akihiro Yamada, Genta Sahara, Tomoyuki Yambe, Kengo Kato, Jun Ohta, Yukio Katori, Dai Homma
Design of an Artificial Tongue Driven by Shape Memory Alloy Fibers. EMBC (2021)
Kenji Sugie, Kiyotaka Sasagawa, Yasumi Ohta, Hironari Takehara, Makito Haruta, Hiroyuki Tashiro, Jun Ohta
Implantable CMOS image sensor with a neural amplifier for simultaneous recording of optical and electrophysiological signals. BioCAS (2021)
Chung-Yu Wu, Chi-Kuan Tseng, Jung-Hsing Liao, Chuan-Chin Chiao, Fang-Liang Chu, Yueh-Chun Tsai, Jun Ohta, Toshihiko Noda
CMOS 256-Pixel/480-Pixel Photovoltaic-Powered Subretinal Prosthetic Chips With Wide Image Dynamic Range and Bi/Four-Directional Sharing Electrodes and Their Ex Vivo Experimental Validations With Mice. IEEE Trans. Circuits Syst. (10) (2020)
Yoshinori Sunaga, Yasumi Ohta, Yasemin M. Akay, Jun Ohta, Metin Akay
Monitoring Neural Activities in the VTA in Response to Nicotine Intake Using a Novel Implantable Microimaging Device. IEEE Access 8 (2020)
Kiyotaka Sasagawa, Makito Haruta, Yasumi Ohta, Hironari Takehara, Jun Ohta
Miniaturized CMOS imaging device for implantable applications. VLSI-DAT (2020)
Po-Han Kuo, Oi-Ying Wong, Chi-Kuan Tzeng, Pu-Wei Wu, Chuan-Chin Chiao, Po-Hung Chen, Po-Chun Chen, Yueh-Chun Tsai, Fang-Liang Chu, Jun Ohta, Takashi Tokuda, Toshihiko Noda, Chung-Yu Wu
Improved Charge Pump Design and Ex Vivo Experimental Validation of CMOS 256-Pixel Photovoltaic-Powered Subretinal Prosthetic Chip. IEEE Trans. Biomed. Eng. 67 (5) (2020)
Jun Ohta, Benoit Gosselin, Takashi Tokuda
Guest Editorial: Special Issue on Selected Papers From IEEE BioCAS 2019. IEEE Trans. Biomed. Circuits Syst. 14 (4) (2020)
Erus Rustami, Kiyotaka Sasagawa, Kenji Sugie, Yasumi Ohta, Makito Haruta, Toshihiko Noda, Takashi Tokuda, Jun Ohta
Needle-Type Imager Sensor With Band-Pass Composite Emission Filter and Parallel Fiber-Coupled Laser Excitation. IEEE Trans. Circuits Syst. I Fundam. Theory Appl. (4) (2020)
Hironari Takehara, Hirofumi Sumi, Wang Ze, Takahiro Kondo, Makito Haruta, Kiyotaka Sasagawa, Jun Ohta
Multispectral Near-infrared Imaging Technologies for Nonmydriatic Fundus Camera. BioCAS (2019)
Kiyotaka Sasagawa, Kenji Sugie, Yasumi Ohta, Mamiko Kawahara, Makito Haruta, Jun Ohta
Live Demonstration: Lensless Highly Sensitive Fluorescence Imaging. BioCAS (2019)
Chung-Yu Wu, Chi-Kuan Tzeng, Shih-Yun Huang, Fang-Liang Chu, Chuan-Chin Chiao, Yueh-Chun Tsai, Jun Ohta, Toshihiko Noda
A CMOS 256-Pixel Self-Photovoltaics-Powered Subretinal Prosthetic Chip with Wide Image Dynamic Range and Shared Electrodes and Its In Vitro Experimental Results on Rd1 Mice. MWSCAS (2019)
Erus Rustami, Kiyotaka Sasagawa, Yasumi Ohta, Makito Haruta, Toshihiko Noda, Takashi Tokuda, Jun Ohta
A Thin Composite Emission Filter and Fiber Coupled Laser Excitation for Implantable Fluorescence Imager Application. ISCAS (2019)
Mehdi Noormohammadi Khiarak, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta, Sylvain Martel, Yves De Koninck, Benoit Gosselin
Live Demonstration: An Energy-Efficient CMOS Biophotometry Sensor Interface. ISCAS (2018)
Mehdi Noormohammadi Khiarak, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta, Sylvain Martel, Yves De Koninck, Benoit Gosselin
An Energy-Efficient CMOS Biophotometry Sensor With Incremental DT-∑Δ ADC Conversion. ISCAS (2018)
Takashi Tokuda, Wuthibenjaphonchai Nattakarn, Takaaki Ishizu, Makito Haruta, Toshihiko Noda, Kiyotaka Sasagawa, Jun Ohta, Mohamad Sawan
Live Demonstration: IoT micronode with optical ID transmission capability operated by optical energy harvesting. ISCAS (2018)
Hironari Takehara, Yuta Nakamoto, Narihito Ikeda, Kiyotaka Sasagawa, Makito Haruta, Toshihiko Noda, Takashi Tokuda, Jun Ohta
Compact Lensless Fluorescence Counting System for Single Molecular Assay. IEEE Trans. Biomed. Circuits Syst. 12 (5) (2018)
Wuthibenjaphonchai Nattakarn, Makito Haruta, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Mohamad Sawan, Sandro Carrara, Jun Ohta
Battery-Free. Sticker-Like, Device for Health Monitoring, Operated by Optical Power Transfer. BioCAS (2018)
Leila Montazeri, Nizar El Zarif, Takashi Tokuda, Jun Ohta, Mohamad Sawan
Active Control of μLED Arrays for Optogenetic Stimulation. ISCAS (2018)
Mehdi Noormohammadi Khiarak, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta, Sylvain Martel, Yves De Koninck, Benoit Gosselin
A 17-bit 104-dB-DR High-Precision Low-Power CMOS Fluorescence Biosensor With Extended Counting ADC and Noise Cancellation. NEWCAS (2018)
Kiyotaka Sasagawa, Yasumi Ohta, Makito Haruta, Toshihiko Noda, Takashi Tokuda, Jun Ohta
Excitation and Emission Filters for Implantable Fluorescence Imaging Devices by Laser Lift-Off Process. BioCAS (2018)
Jun Ohta
Smart electrode - toward a retinal stimulator with the large number of electrodes. ASP-DAC (2017)
Jun Ohta, Toshihiko Noda, Kenzo Shodo, Yasuo Terasawa, Makito Haruta, Kiyotaka Sasagawa, Takashi Tokuda
Stimulator Design of Retinal Prosthesis. IEICE Trans. Electron. (6) (2017)
Jun Ohta
Optical sensor and interface technologies for implantable biomedical devices. IWASI (2017)
Toshihiko Noda, Shinya Nishimura, Yukari Nakano, Yasuo Terasawa, Makito Haruta, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta
Fabrication and in vivo demonstration of microchip-embedded smart electrode device for neural stimulation in retinal prosthesis. BioCAS (2017)
Jun Ohta, Yasumi Ohta, Hiroaki Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Makito Haruta, Takuma Kobayashi, Yasemin M. Akay, Metin Akay
Implantable Microimaging Device for Observing Brain Activities of Rodents. Proc. IEEE 105 (1) (2017)
Kiyotaka Sasagawa, Makito Haruta, Koki Fujimoto, Yasumi Ohta, Toshihiko Noda, Takashi Tokuda, Jun Ohta
Fluorescence imaging device with an ultra-thin micro-LED. BioCAS (2017)
Masaharu Imai, Yoshinori Takeuchi, Jun Ohta, Gregg Jørgen Suaning, Chung-Yu Wu, Napoleon Torres-Martinez
Emerging technologies for biomedical applications: Artificial vision systems and brain machine interface. ASP-DAC (2017)
Mehdi Noormohammadi Khiarak, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta, Sylvain Martel, Yves De Koninck, Benoit Gosselin
A high-precision CMOS biophotometry sensor with noise cancellation and two-step A/D conversion. NEWCAS (2017)
Takashi Tokuda, Makito Haruta, Toshihiko Noda, Kiyotaka Sasagawa, Jun Ohta
CMOS-based opto-electric neural interface devices for optogenetics. MWSCAS (2017)
Takahiro Yamaguchi, Hajime Hayami, Yoshinori Sunaga, Makito Haruta, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta
Parylene-based flexible imaging device for physiological measurement of rodent brain. IEEE SENSORS (2017)
Manuel Delgado-Restituto, Pedram Mohseni, Jun Ohta
Guest Editorial - Special Issue on Selected Papers From IEEE BioCAS 2016. IEEE Trans. Biomed. Circuits Syst. 11 (6) (2017)
Takashi Tokuda, Hiroaki Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Jun Ohta
CMOS-Based Optoelectronic On-Chip Neural Interface Device. IEICE Trans. Electron. (2) (2016)
Toshihiko Noda, Hiroaki Takehara, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta
Neural stimulators for retinal prosthesis embedded with CMOS microchips. MWSCAS (2016)
Paul Jung-Ho Lee, Amine Bermak, Man Kay Law, Jun Ohta
A Multichannel Power-Supply-Modulated Microstimulator With Energy Recycling. IEEE Des. Test 33 (4) (2016)
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
In Vitro Long-Term Performance Evaluation and Improvement in the Response Time of CMOS-Based Implantable Glucose Sensors. IEEE Des. Test 33 (4) (2016)
Yasuo Terasawa, Kenzo Shodo, Koji Osawa, Jun Ohta
Features of retinal prosthesis using suprachoroidal transretinal stimulation from an electrical circuit perspective. VLSI Circuits (2016)
Takashi Tokuda, Satoki Noguchi, Satoru Iwasaki, Hiroaki Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Jun Ohta
CMOS-based opto-electronic neural interface devices for optogenetics. EMBC (2016)
Hironari Takehara, Yuta Nakamoto, Kiyotaka Sasagawa, Hiroaki Takehara, Toshihiko Noda, Takashi Tokuda, Jun Ohta
Compact lensless digital counting system for fluorescent micro-reaction-chamber array. BioCAS (2016)
Kiyotaka Sasagawa, Takahiro Yamaguchi, Makito Haruta, Yasumi Ohta, Hiroaki Takehara, Toshihiko Noda, Takashi Tokuda, Jun Ohta
Hemodynamic imaging using an implantable self-reset image sensor. BioCAS (2016)
Jun Ohta, Hironari Takehara, Kiyotaka Sasagawa, Hiroaki Takehara, Toshihiko Noda, Takashi Tokuda
On-chip fluorescence detection system with high-density microchamber array based on CMOS image sensor. ISCAS (2016)
Takashi Tokuda, Hiroaki Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Jun Ohta
CMOS-based on-chip neural interface devices for optogenetics. BioCAS (2015)
Toshihiko Noda, Takumi Fujisawa, Ryohei Kawasaki, Hiroyuki Tashiro, Hiroaki Takehara, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta
Fabrication and functional demonstration of a smart electrode with a built-in CMOS microchip for neural stimulation of a retinal prosthesis. EMBC (2015)
Hironari Takehara, Mizuki Nagasaki, Kiyotaka Sasagawa, Hiroaki Takehara, Toshihiko Noda, Takashi Tokuda, Hiroyuki Noji, Jun Ohta
High coupling efficiency contact imaging system having micro light pipe array for a digital enzyme-linked immunosorbent assay. BioCAS (2015)
Kiyotaka Sasagawa, Yoshinori Sunaga, Makito Haruta, Takahiro Yamaguchi, Hironari Takehara, Hiroaki Takehara, Toshihiko Noda, Takashi Tokuda, Jun Ohta
Demonstration of implantable CMOS image sensors for functional brain imaging. BioCAS (2014)
Kiyotaka Sasagawa, Takahiro Yamaguchi, Makito Haruta, Yoshinori Sunaga, Hironari Takehara, Toshihiko Noda, Takashi Tokuda, Jun Ohta
An implantable image sensor with self-reset function for brain imaging. BioCAS (2014)
Yoshinori Sunaga, Makito Haruta, Takahiro Yamaguchi, Mayumi Motoyama, Yasumi Ohta, Hiroaki Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta
An implantable green fluorescence imaging device using absorption filters with high excitation light rejection ratio. BioCAS (2014)
Takashi Tokuda, S. Nakajima, Y. Maezawa, Toshihiko Noda, Kiyotaka Sasagawa, Yasuyuki Ishikawa, Sadao Shiosaka, Jun Ohta
An in vitro demonstration of CMOS-based optoelectronic neural interface device for optogenetics. EMBC (2013)
Kiyotaka Sasagawa, Yoshiaki Ishii, Shogo Yokota, Takashi Matsuda, Peter Davis, Bing Zhang, Keren Li, Toshihiko Noda, Takashi Tokuda, Jun Ohta
Implantable image sensor based on intra-brain image transmission. EMBC (2013)
Jun Ohta, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Yasuo Terasawa, Hironari Kanda, Takashi Fujikado
A CMOS microchip-based retinal prosthetic device for large numbers of stimulation in wide area. ISCAS (2013)
Jun Ohta, Chikara Kitsumoto, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Mayumi Motoyama, Yasumi Ohta, Takuma Kobayashi, Yasuaki Ishikawa, Sadao Shiosaka
A micro imaging device for measuring neural actvities in the mouse deep brain with minimal invasiveness. BioCAS (2012)
Takashi Matsuda, Bing Zhang, Keren Li, Kiyotaka Sasagawa, Jun Ohta, Peter Davis
Proposal and evaluation of intra-body sensing via sheet medium. INSS (2012)
Kiyotaka Sasagawa, Shogo Yokota, Takashi Matsuda, Peter Davis, Bing Zhang, Keren Li, Takuma Kobayashi, Toshihiko Noda, Takashi Tokuda, Jun Ohta
Baseband signal transmission experiment for intra-brain communication with implantable image sensor. EMBC (2012)
Kiyotaka Sasagawa, Shogo Yokota, Chikara Kitsumoto, Takashi Matsuda, Peter Davis, Bing Zhang, Keren Li, Toshihiko Noda, Takashi Tokuda, Jun Ohta
Image signal transmission through brain by an implantable micro-imager. BioCAS (2012)
Takashi Tokuda, Tomoaki Miyatani, Yasuyo Maezawa, Takuma Kobayashi, Toshihiko Noda, Kiyotaka Sasagawa, Jun Ohta
A CMOS-based on-chip neural interface device equipped with integrated LED array for optogenetics. EMBC (2012)
Jun Ohta, Takuma Kobayashi, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda
CMOS Imaging Devices for Biomedical Applications. IEICE Trans. Commun. (9) (2011)
Takashi Tokuda, Takasuke Ito, Takuya Kitao, Toshihiko Noda, Kiyotaka Sasagawa, Yasuo Terasawa, Hiroyuki Tashiro, Hironari Kanda, Takashi Fujikado, Jun Ohta
CMOS-based smart-electrode-type retinal stimulator with bullet-shaped bulk Pt electrodes. EMBC (2011)
Pascal Urard, Jun Ohta
Wireless sensor systems: Solution & technology. ISSCC (2011)
Kiyotaka Sasagawa, Takashi Matsuda, Peter Davis, Bing Zhang, Keren Li, Takuma Kobayashi, Toshihiko Noda, Takashi Tokuda, Jun Ohta
Wireless intra-brain communication for image transmission through mouse brain. EMBC (2011)
Kiyotaka Sasagawa, Hiroyuki Masuda, Ayato Tagawa, Takuma Kobayashi, Toshihiko Noda, Takashi Tokuda, Jun Ohta
Micro CMOS image sensor for multi-area imaging. VLSI-SoC (2011)
Toshihiko Noda, Takuya Kitao, Takasuke Ito, Kiyotaka Sasagawa, Takashi Tokuda, Yasuo Terasawa, Hiroyuki Tashiro, Hiroyuki Kanda, Takashi Fujikado, Jun Ohta
Fabrication of a flexible neural interface device with CMOS-based smart electrodes. VLSI-SoC (2011)
Johannes Solhusvik, Jung-Chak Ahn, Jan T. Bosiers, Boyd Fowler, Makoto Ikeda, Shoji Kawahito, Jerry Lin, Dan McGrath, Katsu Nakamura, Jun Ohta, Ramchan Woo
High-speed image sensor technologies. ISSCC (2010)
Jos Huisken, Alice Wang, Andrea Baschirotto, Alison J. Burdett, Tim Denison, Maysam Ghovanloo, Jun Ohta, Zhihua Wang
Circuits for portable medical electronic systems. ISSCC (2010)
Takashi Tokuda, Yoichi Takeuchi, Yuki Sagawa, Toshihiko Noda, Kiyotaka Sasagawa, Kentaro Nishida, Takashi Fujikado, Jun Ohta
Development and in vivo Demonstration of CMOS-Based Multichip Retinal Stimulator With Simultaneous Multisite Stimulation Capability. IEEE Trans. Biomed. Circuits Syst. 4 (6) (2010)
Takashi Tokuda, Yoichi Takeuchi, Toshihiko Noda, Kiyotaka Sasagawa, Jun Ohta
CMOS-based flexible multi-site retinal stimulator toward retinal prosthesis technology. CICC (2009)
Takashi Tokuda, Hirofumi Yamada, Kiyotaka Sasagawa, Jun Ohta
Polarization-analyzing CMOS Image Sensor using Monolithically Embedded Polarizer for Microchemistry Systems. ISCAS (2009)
Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, Toshihiko Noda
Implantable CMOS Biomedical Devices. Sensors 9 (11) (2009)
Takashi Tokuda, Hirofumi Yamada, Kiyotaka Sasagawa, Jun Ohta
Polarization-Analyzing CMOS Image Sensor With Monolithically Embedded Polarizer for Microchemistry Systems. IEEE Trans. Biomed. Circuits Syst. 3 (5) (2009)
Takashi Tokuda, Shigeki Sawamura, Yasuo Terasawa, Yasuo Tano, Jun Ohta
CMOS LSI-based multi-chip flexible retinal prosthesis device for subretinal implantation. CICC (2008)
Yasuo Terasawa, Akihiro Uehara, Eiji Yonezawa, Tohru Saitoh, Kenzo Shodo, Motoki Ozawa, Yasuo Tano, Jun Ohta
A visual prosthesis with 100 electrodes featuring wireless signals and wireless power transmission. IEICE Electron. Express 5 (15) (2008)
K. Kagawau, Sanshiro Shishido, Masahiro Nunoshita, Jun Ohta
A 3.6pW/frame·pixel 1.35V PWM CMOS Imager with Dynamic Pixel Readout and no Static Bias Current. ISSCC (2008)
Takashi Tokuda, Sho Sato, Hirofumi Yamada, Jun Ohta
Polarization analyzing CMOS sensor for microchamber/microfluidic system based on image sensor technology. ISCAS (2008)
Keiichiro Kagawa, Sanshiro Shishido, Tatsuya Sasaki, Itsuki Nagahata, Masahiro Nunoshita, Jun Ohta
A low-voltage PWM CMOS imager with small pixel size using an in-pixel gate-common comparator. IEICE Electron. Express 4 (8) (2007)
Keiichiro Kagawa, Makoto Shouho, Kazuo Hashiguchi, Masahiro Nunoshita, Jun Ohta
Preliminary Demonstration of 1.0 V CMOS Imager with Semi-Pixel-Level ADC Based on Pulse-Width-Modulation Pixel Readout. IEICE Trans. Electron. (10) (2007)
David C. Ng, Taro Mizuno, Takashi Tokuda, Masahiro Nunoshita, Hideki Tamura, Yasuyuki Ishikawa, Sadao Shiosaka, Jun Ohta
Integration of CMOS and MEMS Technologies in the Development of a Neural Imaging and Interface Device: Showcase of an Emerging Bioimaging Technique. CICC (2007)
Jun Ohta, Takahashi Tokuda, Keiichiro Kagawa, Akihiro Uehara, Yasuo Terasawa, Kazuaki Nakauchi, Takashi Fujikado, Yasuo Tano
A multi-microchip retinal stimulator for in vitro / in vivo experiments. ISCAS (2007)
Takahashi Tokuda, David C. Ng, Akio Yamamoto, Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta
An optical and potential dual-image CMOS sensor for on-chip neural and DNA imaging applications. ISCAS (2006)
David C. Ng, Takashi Tokuda, Takuma Nakagawa, Hideki Tamura, Masahiro Nunoshita, Yasuyuki Ishikawa, Sadao Shiosaka, Jun Ohta
A New Neural Imaging Approach Using a CMOS Imaging Device. EMBC (2006)
David C. Ng, Takahashi Tokuda, Takuma Nakagawa, Hideki Tamura, Masahiro Nunoshita, Yasuyuki Ishikawa, Sadao Shiosaka, Jun Ohta
Development of a CMOS Imaging Device for Functional Imaging Inside the Mouse Brain. APCCAS (2006)
David C. Ng, Tetsuo Furumiya, Koichi Yasuoka, Akihiro Uehara, Keiichiro Kagawa, Takashi Tokuda, Masahiro Nunoshita, Jun Ohta
Pulse frequency modulation based CMOS image sensor for subretinal stimulation. IEEE Trans. Circuits Syst. II Express Briefs (6) (2006)
Jun Ohta, Takahashi Tokuda, Keiichiro Kagawa, Akihiro Uehara, Yasuo Terasawa, Kenzo Shodo, Takashi Fujikado, Yasuo Tano
Toward 1000-ch electrode array based on distributed microchip architecture for retinal prosthesis. ISCAS (2006)
Takashi Tokuda, Masayuki Kawada, Sachie Sugitani, Mari Taniyama, Akihiro Uehara, Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta
A multi-chip-architecture based flexible stimulation device for retinal prosthesis with a flip-chip packaging technique. EMBC (2006)
Jun Ohta, Keiichiro Kagawa, Takashi Tokuda, Masahiro Nunoshita
Retinal prosthesis device based on pulse-frequency-modulation vision chip. ISCAS (3) (2005)
Jun Ohta, Takahashi Tokuda, Keiichiro Kagawa, Masahiro Nunoshita, Sadao Shiosaka
Pulse modulation CMOS image sensor for bio-fluorescence imaging applications. ISCAS (4) (2005)
Akihiro Uehara, Keiichiro Kagawa, Takashi Tokuda, Jun Ohta, Masahiro Nunoshita
A high-sensitive digital photosensor using MOS interface-trap charge pumping. IEICE Electron. Express 1 (18) (2004)
Jun Ohta, Keiichiro Kagawa, Koichi Yamamoto, Takashi Tokuda, Yu Oya, Masahiro Nunoshita
Improvement of saturation characteristics of a frequency-demodulation CMOS image sensor. ASP-DAC (2004)
Keiichiro Kagawa, Tomoaki Kawakami, Hiroaki Asazu, Takashi Ikeuchi, Akiko Fujiuchi, Jun Ohta, Masahiro Nunoshita
An image-sensor-based optical receiver fabricated in a standard 0.35-µm CMOS technology for free-space optical communications. ASP-DAC (2004)
Jun Ohta, Tetsuo Furumiya, David C. Ng, Akihiro Uehara, Keiichiro Kagawa, Takashi Tokuda, Masahiro Nunoshita
A retinal prosthetic device using a pulse-frequency-modulation CMOS image sensor. ASP-DAC (2004)
Jun Ohta, Akihiro Uehara, Takashi Tokuda, Masahiro Nunoshita
Pulse-Modulated Vision Chips with Versatile-Interconnected Pixels. IPDPS Workshops (2000)

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Publication Activity (10 Years)

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Jun Ohta