Jun OHTA


Stimulator Design of Retinal Prosthesis
Jun OHTA Toshihiko NODA Kenzo SHODO Yasuo TERASAWA Makito HARUTA Kiyotaka SASAGAWA Takashi TOKUDA 
Publication:   
Publication Date: 2017/06/01
Vol. E100-C  No. 6  pp. 523-528
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuits and Their Application Technologies)
Category: 
Keyword: 
retinal prosthesisneuro-stimulationimplantable deviceselectrical stimulationAC power delivery
 Summary | Full Text:PDF(1.8MB)

CMOS-Based Optoelectronic On-Chip Neural Interface Device
Takashi TOKUDA Hiroaki TAKEHARA Toshihiko NODA Kiyotaka SASAGAWA Jun OHTA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/02/01
Vol. E99-C  No. 2  pp. 165-172
Type of Manuscript:  INVITED PAPER (Special Section on Recent Advances in Photonics Technologies and Their Applications)
Category: 
Keyword: 
CMOS image sensoroptogeneticson-chip bioimagingoptical stimulationGaInN LEDimplantable electronics
 Summary | Full Text:PDF(1.8MB)

CMOS Imaging Devices for Biomedical Applications
Jun OHTA Takuma KOBAYASHI Toshihiko NODA Kiyotaka SASAGAWA Takashi TOKUDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/09/01
Vol. E94-B  No. 9  pp. 2454-2460
Type of Manuscript:  INVITED PAPER (Special Section on Information Communication Technology for Highly Reliable Human Health Care Services)
Category: 
Keyword: 
CMOS image sensorsbiomedical applicationsretinal prosthesisdeep-brain implantationmulti-electrode array
 Summary | Full Text:PDF(1.3MB)

Preliminary Demonstration of 1.0 V CMOS Imager with Semi-Pixel-Level ADC Based on Pulse-Width-Modulation Pixel Readout
Keiichiro KAGAWA Makoto SHOUHO Kazuo HASHIGUCHI Masahiro NUNOSHITA Jun OHTA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/10/01
Vol. E90-C  No. 10  pp. 2007-2011
Type of Manuscript:  Special Section LETTER (Special Section on VLSI Technology toward Frontiers of New Market)
Category: 
Keyword: 
CMOS imagerlow voltagepulse width modulationADC
 Summary | Full Text:PDF(559.8KB)

Self-Pulsation of a Nd3+-Doped Fluoride Fiber Laser Using Tm3+-Doped Fiber as a Saturable Absorber
Kiyotaka SASAGAWA Kazushi KUSAWAKE Keiichiro KAGAWA Jun OHTA Masahiro NUNOSHITA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/05/01
Vol. E86-C  No. 5  pp. 719-724
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: 
Keyword: 
passive Q-switched laserneodymium doped fluoride fiberthulium doped fluoride fibersaturable absorber
 Summary | Full Text:PDF(482.1KB)

Proposal and Preliminary Experiments of Indoor Optical Wireless LAN Based on a CMOS Image Sensor with a High-Speed Readout Function Enabling a Low-Power Compact Module with Large Uplink Capacity
Keiichiro KAGAWA Tomohiro NISHIMURA Takao HIRAI Yasushi YAMASAKI Hiroaki ASAZU Tomoaki KAWAKAMI Jun OHTA Masahiro NUNOSHITA Kunihiro WATANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/05/01
Vol. E86-B  No. 5  pp. 1498-1507
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: 
Keyword: 
indoor optical wireless LANCMOS image sensorfree-space optical communicationspace division multiple accessMEMS mirror
 Summary | Full Text:PDF(1MB)

A 90-MHz 16-Mb System Integrated Memory with Direct Interface to CPU
Katsumi DOSAKA Akira YAMAZAKI Naoya WATANABE Hideaki ABE Jun OHTANI Toshiyuki OGAWA Kazunori ISHIHARA Masaki KUMANOYA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/07/25
Vol. E79-C  No. 7  pp. 948-956
Type of Manuscript:  Special Section PAPER (Special Issue on the 1995 Symposium on VLSI Circuits (Joint Issue with the IEEE Journal of Solid-State Circuits, Vol.31, No.4 April 1996))
Category: Memory
Keyword: 
 Summary | Full Text:PDF(752.8KB)

Opto-Electronic Implementation of a Large-Scale Neural Network Using Multiplexing Techniques
Jun OHTA Masaya OITA Shuichi TAI Kunihiko HARA Kazuo KYUMA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/01/25
Vol. E73-E  No. 1  pp. 41-45
Type of Manuscript:  Special Section PAPER (Special Issue on International Conference on Integrated Optics and Optical Fiber Communication)
Category: Optical Communication Systems and Applications
Keyword: 
 Summary | Full Text:PDF(431.9KB)