Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
PEM (Workshop) |
2023-11-27 - 2023-11-28 |
Hokkaido |
Hokkaido Univ. Frontier Research in Applied Sciences Building |
36-GHz electric field imaging using an electro-optic imaging system based on polarization CMOS image sensor Ryoma Okada (NAIST), Maya Mizuno (NICT), Hironari Takehara (NAIST), Makito Haruta (NAIST/Chitose Inst. Sci. Tech.), Hiroyuki Tashiro (NAIST/Kyushu Univ.), Jun Ohta, Kiyotaka Sasagawa (NAIST) |
In this study, we developed an imaging system that can detect polarization modulation with high sensitivity and demonstr... [more] |
|
BioX, ITE-ME, ITE-IST [detail] |
2019-06-06 13:30 |
Ishikawa |
Kanazawa University |
Application of near infrared colorization technique for fundus cameras Jun Ohta, Hironari Takehara, Makito Haruta, Kiyotaka Sasagawa (NAIST), Hirofumi Sumi (Univ. Tokyo), Motoshi Sobue (nanolux), Ryo Kawasaki, Kohji Nishida (Osaka Univ.) |
[more] |
|
CAS, NLP |
2018-10-18 16:05 |
Miyagi |
Tohoku Univ. |
[Invited Talk]
Technologies for near-infrared color high speed selfie fundus camera Hironari Takehara (NAIST), Hirofumi Sumi (UTokyo), Daiki Shirahige, Kiyotaka Sasagawa, Takashi Tokuda (NAIST), Yoshihiro Watanabe (Tokyo Tech), Norimasa Kishi, Masatoshi Ishikawa (UTokyo), Jun Ohta (NAIST) CAS2018-47 NLP2018-82 |
[more] |
CAS2018-47 NLP2018-82 pp.57-60 |
OPE |
2017-12-08 11:30 |
Okinawa |
|
1000fps Vision System and Its Impact on Various Intelligent Applications
-- Next-generation Fundus Camera with High Speed Imaging -- Hirofumi Sumi (UT), Shunsuke Miyazaki, Hironari Takehara, Kiyotaka Sasagawa, Takashi Tokuda (NAIST), Norimasa Kishi, Yoshihiro Watanabe (UT), Shingo Kagami (TU), Jun Ohta (NAIST), Masatoshi Ishikawa (UT) OPE2017-114 |
This paper is described that development of next-generation fundus camera with high frame rate of intelligent imaging te... [more] |
OPE2017-114 pp.125-130 |
OME, OPE |
2014-11-21 13:00 |
Tokyo |
|
[Invited Talk]
Development of biomedical photonic devices based on CMOS sensor technology Takashi Tokuda, Hiroaki Takehara, Toshihiko Noda, Kiyotaka Sasagawa, Jun Ohta (NAIST) OME2014-47 OPE2014-127 |
CMOS-based implantable devices for bioscientific and medical applications are presented and discussed. Concept, design, ... [more] |
OME2014-47 OPE2014-127 pp.1-6 |
PEM (2nd) |
2014-07-04 15:10 |
Kanagawa |
|
Polarization analyzing image sensor using integrated circuit process Kiyotaka Sasagawa, Toshihiko Noda, Takashi Tokuda, Kiyomi Kakiuchi, Jun Ohta (NAIST) |
[more] |
|
ASN, MoNA (Joint) |
2014-01-24 16:40 |
Ehime |
Hotel Okudogo (Matsuyama) |
Evaluation of Intra-body Sensing via Sheet Medium Communication Takashi Matsuda (NICT), Kiyotaka Sasagawa (NAIST), Peter Davis (Telecognix), Keren Li (NICT), Jun Ohta (NAIST), Bing Zhang (NICT) ASN2013-161 |
In recent years, Intra-Body Communication (IBC) has attracted attention as a new key technique for health monitoring. It... [more] |
ASN2013-161 pp.243-247 |
ASN, RCS, NS, SR (Joint) |
2013-07-17 14:55 |
Shizuoka |
Hamamatsu Act City |
Evaluation of Intra-body Sensing via Sheet Medium Communication Takashi Matsuda (NICT), Peter Davis (Telecognix), Kiyotaka Sasagawa (NAIST), Keren Li (NICT), Jun Ohta (NAIST), Bing Zhang (NICT) ASN2013-47 |
In recent years, Intra-Body Communication (IBC) has attracted attention as a key new technique for
health monitoring. I... [more] |
ASN2013-47 pp.1-5 |
ICD |
2012-03-26 10:50 |
Osaka |
Osaka Univ. |
[Invited Talk]
Brain neural activity measurement with implantable imaging devices Jun Ohta, Takuma Kobayashi, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda (NAIST) ICD2011-147 |
We demonstrate an implantable imaging device based on a CMOS image sensor technology to measure neural activities in a m... [more] |
ICD2011-147 pp.13-17 |
OFT, OPE |
2011-03-04 10:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
A CMOS image sensor with a light guide array for in-vivo fluorescent imaging of brain neural activities Kiyotaka Sasagawa (NAIST/JST), Keisuke Ando, Hiroshi Taneda, Yuki Mizuta, Ayato Tagawa (NAIST), Takuma Kobayashi, Toshihiko Noda (NAIST/JST), Takashi Tokuda (NAIST), Jun Ohta (NAIST/JST) OFT2010-65 OPE2010-169 |
We fabricated an implantable CMOS image sensor with light guide array structure for improvement of spatial resolution an... [more] |
OFT2010-65 OPE2010-169 pp.13-16 |
ICD, ITE-IST |
2010-07-23 15:35 |
Osaka |
Josho Gakuen Osaka Center |
Design and Development of Polarization-Analyzing Image Sensor using 65nm CMOS Process Sanshiro Shishido, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta (NAIST) |
[more] |
|
ICD, ITE-IST |
2009-10-01 12:15 |
Tokyo |
CIC Tokyo (Tamachi) |
CMOS image sensor for optical measurement of cranial nerve activity Yasuhiro Oguro, Sanshiro Shishido (NAIST), Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta (NAIST/JST) ICD2009-40 |
Intrinsic Optical Signal (IOS) indicates activities of brain neurons, and is one of the optical imaging methods, which r... [more] |
ICD2009-40 pp.35-38 |
ICD, ITE-IST |
2009-10-01 13:30 |
Tokyo |
CIC Tokyo (Tamachi) |
Development of a multifunctional CMOS image sensor for in vivo sensing of neural activities in a mouse deep brain Ayato Tagawa, Hiroki Mitani, Masahiro Mitani (NAIST), Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta (NAIST/JST) ICD2009-41 |
We developed a multimodal CMOS image sensor includes an pixel array, electrodes, and LED. The electrodes were placed on ... [more] |
ICD2009-41 pp.39-43 |
ICD, ITE-IST |
2008-10-23 09:20 |
Hokkaido |
Hokkaido University |
A source-modulated pulse-width-modulation CMOS imager for biomedical applications Sanshiro Shishido, Kiyotaka Sasagawa (NAIST), Keiichiro Kagawa (Osaka Univ.), Takashi Tokuda, Jun Ohta (NAIST) ICD2008-71 |
[more] |
ICD2008-71 pp.73-76 |
ICD, ITE-IST |
2008-10-24 09:45 |
Hokkaido |
Hokkaido University |
A retinal prosthesis platform for a subretina implantation Keisuke Yagyu, Kiyotaka Sasagawa (NAIST), Keiichiro Kagawa (Osaka Univ.), Takashi Tokuda, Jun Ohta (NAIST) ICD2008-81 |
[more] |
ICD2008-81 pp.131-136 |
OPE, EMT, MW |
2008-07-24 16:05 |
Hokkaido |
|
Multi-channel complex permittivity measurement using live electrooptic imaging camera Atsushi Kanno (NICT), Kiyotaka Sasagawa (NAIST), Masahiro Tsuchiya (NICT) MW2008-59 OPE2008-42 |
[more] |
MW2008-59 OPE2008-42 pp.69-72 |
EMT, OPE, MW |
2007-08-03 09:00 |
Hokkaido |
Muroran Institute of Technology |
Performance Improvement of High-Extinction-Ratio LiNbO3 Optical Intensity Modulator by Means of Polarization Crosstalk Reduction Hiroyuki Toda, Katsuya Fukuta, Daisuke Arai (Doshisha Univ.), Akito Chiba, Kiyotaka Sasagawa, Tetsuya Kawanishi, Masahiro Tsuchiya, Masayuki Izutsu (NICT) MW2007-73 OPE2007-60 |
We demonstrate that dc extinction ratio can be improved by reducing polarization crosstalk in high-extinction-ratio LiNb... [more] |
MW2007-73 OPE2007-60 pp.175-178 |
MW, OPE, EMT [detail] |
2006-07-28 14:15 |
Hokkaido |
|
Highly sensitive electro-optic sensor based on carrier suppression Kiyotaka Sasagawa, Masahiro Tsuchiya (NICT) |
We propose a novel sensivity enhancement technique for electro-optic (EO) sensor. In convetional EO sensing systems, bal... [more] |
MW2006-65 OPE2006-57 pp.163-167 |
OPE |
2006-02-17 17:20 |
Tokyo |
|
A Real-time monitoring system for RF near-fields based on parallel electro-optic signal processing Kiyotaka Sasagawa, Masahiro Tsuchiya (NICT) |
Described in this paper is a system for the real-time image monitoring of electromagnetic near-field distributions over ... [more] |
OPE2005-156 pp.59-62 |
OCS, OPE, LQE |
2005-11-04 14:45 |
Fukuoka |
|
Stabilizaiton of electrooptic sensor based on resonant wavelength shift of LiNbO3 disk resonator Kiyotaka Sasagawa, Masahiro Tsuchiya (NICT) |
[more] |
OCS2005-68 OPE2005-98 LQE2005-106 pp.55-58 |
|