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Kiyotaka Sasagawa
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2020 – today
- 2024
- [j16]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): 1249 (2024) - [j15]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): 4138 (2024) - 2023
- [j14]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): 3695 (2023) - [c44]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: 1-5 - 2022
- [j13]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): 1152-1163 (2022) - [c43]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: 4864-4867 - [c42]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: 1-2 - 2021
- [j12]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: 127937-127949 (2021) - [c41]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: 1-4 - 2020
- [j11]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. 67-I(4): 1082-1091 (2020) - [c40]Kiyotaka Sasagawa
, Makito Haruta, Yasumi Ohta
, Hironari Takehara
, Jun Ohta:
Miniaturized CMOS imaging device for implantable applications. VLSI-DAT 2020: 1
2010 – 2019
- 2019
- [c39]Kiyotaka Sasagawa
, Kenji Sugie, Yasumi Ohta, Mamiko Kawahara, Makito Haruta, Jun Ohta
:
Live Demonstration: Lensless Highly Sensitive Fluorescence Imaging. BioCAS 2019: 1 - [c38]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: 1-4 - [c37]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: 1-4 - 2018
- [j10]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): 1177-1185 (2018) - [c36]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: 1-4 - [c35]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: 1-4 - [c34]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: 1- - [c33]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: 1-4 - [c32]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: 1- - [c31]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: 100-103 - 2017
- [j9]Jun Ohta
, Toshihiko Noda, Kenzo Shodo, Yasuo Terasawa, Makito Haruta
, Kiyotaka Sasagawa
, Takashi Tokuda
:
Stimulator Design of Retinal Prosthesis. IEICE Trans. Electron. 100-C(6): 523-528 (2017) - [j8]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): 158-166 (2017) - [c30]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: 1-4 - [c29]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: 1-4 - [c28]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: 1-3 - [c27]Takashi Tokuda, Makito Haruta, Toshihiko Noda, Kiyotaka Sasagawa
, Jun Ohta
:
CMOS-based opto-electric neural interface devices for optogenetics. MWSCAS 2017: 377-380 - [c26]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: 293-296 - 2016
- [j7]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): 37-48 (2016) - [j6]Takashi Tokuda
, Hiroaki Takehara
, Toshihiko Noda, Kiyotaka Sasagawa
, Jun Ohta
:
CMOS-Based Optoelectronic On-Chip Neural Interface Device. IEICE Trans. Electron. 99-C(2): 165-172 (2016) - [c25]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: 452-455 - [c24]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: 600-603 - [c23]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: 6319-6322 - [c22]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: 2867-2870 - [c21]Toshihiko Noda, Hiroaki Takehara, Kiyotaka Sasagawa
, Takashi Tokuda, Jun Ohta
:
Neural stimulators for retinal prosthesis embedded with CMOS microchips. MWSCAS 2016: 1-4 - 2015
- [c20]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: 1-4 - [c19]Takashi Tokuda, Hiroaki Takehara, Toshihiko Noda, Kiyotaka Sasagawa
, Jun Ohta
:
CMOS-based on-chip neural interface devices for optogenetics. BioCAS 2015: 1-4 - [c18]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: 3355-3358 - 2014
- [c17]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: 184 - [c16]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: 248-251 - [c15]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: 252-255 - 2013
- [c14]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: 799-802 - [c13]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: 1863-1866 - [c12]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: 642-645 - 2012
- [c11]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: 144-147 - [c10]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: 244-247 - [c9]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: 5146-5149 - [c8]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: 6011-6014 - [c7]Takashi Matsuda, Bing Zhang, Keren Li, Kiyotaka Sasagawa
, Jun Ohta, Peter Davis:
Proposal and evaluation of intra-body sensing via sheet medium. INSS 2012: 1-4 - 2011
- [j5]Jun Ohta
, Takuma Kobayashi
, Toshihiko Noda, Kiyotaka Sasagawa
, Takashi Tokuda
:
CMOS Imaging Devices for Biomedical Applications. IEICE Trans. Commun. 94-B(9): 2454-2460 (2011) - [c6]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: 2917-2920 - [c5]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: 6733-6736 - [c4]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: 10-14 - [c3]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: 15-18 - 2010
- [j4]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): 445-453 (2010)
2000 – 2009
- 2009
- [j3]Jun Ohta
, Takashi Tokuda, Kiyotaka Sasagawa
, Toshihiko Noda:
Implantable CMOS Biomedical Devices. Sensors 9(11): 9073-9093 (2009) - [j2]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): 259-266 (2009) - [c2]Takashi Tokuda
, Yoichi Takeuchi, Toshihiko Noda, Kiyotaka Sasagawa
, Jun Ohta
:
CMOS-based flexible multi-site retinal stimulator toward retinal prosthesis technology. CICC 2009: 511-514 - [c1]Takashi Tokuda
, Hirofumi Yamada, Kiyotaka Sasagawa
, Jun Ohta
:
Polarization-analyzing CMOS Image Sensor using Monolithically Embedded Polarizer for Microchemistry Systems. ISCAS 2009: 313-316 - 2005
- [j1]Kiyotaka Sasagawa
, Masahiro Tsuchiya:
Real-time monitoring system of RF near-field distribution images on the basis of 64-channel parallel electro-optic data acquisition. IEICE Electron. Express 2(24): 600-606 (2005)
Coauthor Index
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last updated on 2024-08-23 18:31 CEST by the dblp team
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