Hironari Takehara

According to our database, Hironari Takehara authored at least 20 papers between 2005 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

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, July, 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, February, 2024

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, April, 2023

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

Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2023

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

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

Proceedings of the 65th IEEE International Midwest Symposium on Circuits and Systems, 2022

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

Proceedings of the 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2022

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, Tadashi Isa, Kenta Kobayashi, Yasemin M. Akay, Metin Akay, Jun Ohta

IEEE Access, 2021

Advanced Multi-NIR Spectral Image Sensor with Optimized Vision Sensing System and Its Impact on Innovative Applications.

Hirofumi Sumi, Hironari Takehara, Jun Ohta, Masatoshi Ishikawa

Proceedings of the 2021 Symposium on VLSI Circuits, Kyoto, Japan, June 13-19, 2021, 2021

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

Proceedings of the IEEE Biomedical Circuits and Systems Conference, BioCAS 2021, 2021

2020

Miniaturized CMOS imaging device for implantable applications.

Kiyotaka Sasagawa, Makito Haruta, Yasumi Ohta, Hironari Takehara, Jun Ohta

Proceedings of the 2020 International Symposium on VLSI Design, Automation and Test, 2020

2019

Multispectral Near-infrared Imaging Technologies for Nonmydriatic Fundus Camera.

Hironari Takehara, Hirofumi Sumi, Wang Ze, Takahiro Kondo, Makito Haruta, Kiyotaka Sasagawa, Jun Ohta

Proceedings of the 2019 IEEE Biomedical Circuits and Systems Conference, 2019

2018

Compact Lensless Fluorescence Counting System for Single Molecular Assay.

Hironari Takehara, Yuta Nakamoto, Narihito Ikeda, Kiyotaka Sasagawa, Makito Haruta, Toshihiko Noda, Takashi Tokuda, Jun Ohta

IEEE Trans. Biomed. Circuits Syst., 2018

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, Shoji Takeuchi

IEEE Des. Test, 2016

On-chip fluorescence detection system with high-density microchamber array based on CMOS image sensor.

Jun Ohta, Hironari Takehara, Kiyotaka Sasagawa, Hiroaki Takehara, Toshihiko Noda, Takashi Tokuda

Proceedings of the IEEE International Symposium on Circuits and Systems, 2016

Compact lensless digital counting system for fluorescent micro-reaction-chamber array.

Hironari Takehara, Yuta Nakamoto, Kiyotaka Sasagawa, Hiroaki Takehara, Toshihiko Noda, Takashi Tokuda, Jun Ohta

Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2016

2015

High coupling efficiency contact imaging system having micro light pipe array for a digital enzyme-linked immunosorbent assay.

Hironari Takehara, Mizuki Nagasaki, Kiyotaka Sasagawa, Hiroaki Takehara, Toshihiko Noda, Takashi Tokuda, Hiroyuki Noji, Jun Ohta

Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2015

2014

An implantable image sensor with self-reset function for brain imaging.

Kiyotaka Sasagawa, Takahiro Yamaguchi, Makito Haruta, Yoshinori Sunaga, Hironari Takehara, Toshihiko Noda, Takashi Tokuda, Jun Ohta

Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2014

Demonstration of implantable CMOS image sensors for functional brain imaging.

Kiyotaka Sasagawa, Yoshinori Sunaga, Makito Haruta, Takahiro Yamaguchi, Hironari Takehara, Hiroaki Takehara, Toshihiko Noda, Takashi Tokuda, Jun Ohta

Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2014

2005

Low On-Voltage Operation AlGaN/GaN Schottky Barrier Diode with a Dual Schottky Structure.

Seikoh Yoshida, Nariaki Ikeda, Jiang Li, Takahiro Wada, Hironari Takehara

IEICE Trans. Electron., 2005