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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 20  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
OPE, MW 2005-07-15
11:20
Niigata   Electro-optic probing with an external modulator based on optical heterodyne method
Kiyotaka Sasagawa, Masahiro Tsuchiya, Masayuki Izutsu (NICT)
We proposed an electro-optic (EO) probing techique based on optical heterodyne method and demonstrated measurement of a ... [more] MW2005-55 OPE2005-39
pp.31-36
 Results 1 - 20 of 20  /   
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