Hironari Takehara

24 papers C 1Journal 10Unranked 13

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	A study on dynamic retinal vessel evaluation using a compact near-infrared fundus imaging system. Artif. Life Robotics Masaya Kinefuchi, Norio Iijima, Hironari Takehara, Jun Ohta, Naoto Hara, Yasuaki Kamata, Chawan Koopipat, Masato Takahashi, Norimichi Tsumura
2025	J	`jnl`	Microwave electro-optical imaging system using a frequency tracking optical local oscillator source with a polarization CMOS image sensor. IEICE Electron. Express Ryoma Okada, Maya Mizuno, Hironari Takehara, Makito Haruta, Hiroyuki Tashiro, Jun Ohta, Kiyotaka Sasagawa
2024	—	`conf`	Charge-Pump-Circuit Implementation for Increasing Sink Current in Low-Volage CMOS Retinal-Prosthesis Chips. APCCAS 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
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
2024	J	`jnl`	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 Kiyotaka Sasagawa, Ryoma Okada, Yoshihiro Akamatsu, Maya Mizuno, Hironari Takehara, Makito Haruta, Hiroyuki Tashiro, Jun Ohta
2024	J	`jnl`	Millimeter-Wave Band Electro-Optical Imaging System Using Polarization CMOS Image Sensor and Amplified Optical Local Oscillator Source. Sensors Ryoma Okada, Maya Mizuno, Tomoaki Nagaoka, Hironari Takehara, Makito Haruta, Hiroyuki Tashiro, Jun Ohta, Kiyotaka Sasagawa
2023	—	`conf`	Front-light Structure for a Lensless Fluorescence Imaging Device with a Hybrid Emission Filter. BioCAS Kiyotaka Sasagawa, Yuki Ito, Daniel Schaeffer, Yoshinori Sunaga, Hironari Takehara, Makito Haruta, Hiroyuki Tashiro, 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	J	`jnl`	Clear Fundus Images Through High-Speed Tracking Using Glare-Free IR Color Technology. J. Robotics Mechatronics Motoshi Sobue, Hirokazu Takata, Hironari Takehara, Makito Haruta, Hiroyuki Tashiro, Kiyotaka Sasagawa, Ryo Kawasaki, 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`	Advanced Multi-NIR Spectral Image Sensor with Optimized Vision Sensing System and Its Impact on Innovative Applications. VLSI Circuits Hirofumi Sumi, Hironari Takehara, Jun Ohta, Masatoshi Ishikawa
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
2020	—	`conf`	Miniaturized CMOS imaging device for implantable applications. VLSI-DAT Kiyotaka Sasagawa, Makito Haruta, Yasumi Ohta, Hironari Takehara, Jun Ohta
2019	—	`conf`	Multispectral Near-infrared Imaging Technologies for Nonmydriatic Fundus Camera. BioCAS Hironari Takehara, Hirofumi Sumi, Wang Ze, Takahiro Kondo, Makito Haruta, Kiyotaka Sasagawa, Jun Ohta
2018	J	`jnl`	Compact Lensless Fluorescence Counting System for Single Molecular Assay. IEEE Trans. Biomed. Circuits Syst. Hironari Takehara, Yuta Nakamoto, Narihito Ikeda, Kiyotaka Sasagawa, Makito Haruta, Toshihiko Noda, Takashi Tokuda, Jun Ohta
2016	—	`conf`	Compact lensless digital counting system for fluorescent micro-reaction-chamber array. BioCAS Hironari Takehara, Yuta Nakamoto, Kiyotaka Sasagawa, 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
2016	C	`conf`	On-chip fluorescence detection system with high-density microchamber array based on CMOS image sensor. ISCAS Jun Ohta, Hironari Takehara, Kiyotaka Sasagawa, Hiroaki Takehara, Toshihiko Noda, Takashi Tokuda
2015	—	`conf`	High coupling efficiency contact imaging system having micro light pipe array for a digital enzyme-linked immunosorbent assay. BioCAS Hironari Takehara, Mizuki Nagasaki, Kiyotaka Sasagawa, Hiroaki Takehara, Toshihiko Noda, Takashi Tokuda, Hiroyuki Noji, Jun Ohta
2014	—	`conf`	An implantable image sensor with self-reset function for brain imaging. BioCAS Kiyotaka Sasagawa, Takahiro Yamaguchi, Makito Haruta, Yoshinori Sunaga, Hironari Takehara, Toshihiko Noda, Takashi Tokuda, Jun Ohta
2014	—	`conf`	Demonstration of implantable CMOS image sensors for functional brain imaging. BioCAS Kiyotaka Sasagawa, Yoshinori Sunaga, Makito Haruta, Takahiro Yamaguchi, Hironari Takehara, Hiroaki Takehara, Toshihiko Noda, Takashi Tokuda, Jun Ohta
2005	J	`jnl`	Low On-Voltage Operation AlGaN/GaN Schottky Barrier Diode with a Dual Schottky Structure. IEICE Trans. Electron. Seikoh Yoshida, Nariaki Ikeda, Jiang Li, Takahiro Wada, Hironari Takehara