Toshishige SHIMAMURA

Novel Threshold Circuit Technique and Its Performance Analysis on Nanowatt Vibration Sensing Circuits for Millimeter-Sized Wireless Sensor Nodes
Toshishige SHIMAMURA Hiroki MORIMURA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-C  No. 7  pp. 272-279
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
threshold circuit, vibration sensing, nanowatt power level, signal transition time, chattering, 
 Summary | Full Text:PDF(1.5MB)
Design and Performance of a Sub-Nano-Ampere Two-Stage Power Management Circuit in 0.35-µm CMOS for Dust-Size Sensor Nodes
Mamoru UGAJIN Toshishige SHIMAMURA Shin'ichiro MUTOH Mitsuru HARADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/07/01
Vol. E94-C  No. 7  pp. 1206-1211
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
sensor node, power management, power switch, energy harvesting, CMOS, 
 Summary | Full Text:PDF(1.3MB)
Logic and Analog Test Schemes for a Single-Chip Pixel-Parallel Fingerprint Identification LSI
Satoshi SHIGEMATSU Hiroki MORIMURA Toshishige SHIMAMURA Takahiro HATANO Namiko IKEDA Yukio OKAZAKI Katsuyuki MACHIDA Mamoru NAKANISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/10/01
Vol. E90-C  No. 10  pp. 1892-1899
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Technology toward Frontiers of New Market)
Category: Image Sensor/Vision Chip
Keyword: 
test, pixel parallel, sensor, fingerprint identification, single chip, high-functional device, MEMS, 
 Summary | Full Text:PDF(1.2MB)
Fingerprint Image Enhancement and Rotation Schemes for a Single-Chip Fingerprint Sensor and Identifier
Satoshi SHIGEMATSU Koji FUJII Hiroki MORIMURA Takahiro HATANO Mamoru NAKANISHI Namiko IKEDA Toshishige SHIMAMURA Katsuyuki MACHIDA Yukio OKAZAKI Hakaru KYURAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/04/01
Vol. E89-C  No. 4  pp. 540-550
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
fingerprint identification, fingerprint sensor, pixel array, pixel parallel, image processing, image rotation, 
 Summary | Full Text:PDF(2.3MB)
A Sub-0.5 V Differential ED-CMOS/SOI Circuit with Over-1-GHz Operation
Takakuni DOUSEKI Toshishige SHIMAMURA Nobutaro SHIBATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/04/01
Vol. E88-C  No. 4  pp. 582-588
Type of Manuscript:  Special Section PAPER (Special Section on Low-Power LSI and Low-Power IP)
Category: Digital
Keyword: 
ultralow voltage, high-speed, ED-MOS, multi-Vth CMOS, fully-depleted SOI, 
 Summary | Full Text:PDF(877.2KB)
An Adaptive Fingerprint-Sensing Scheme for a User Authentication System with a Fingerprint Sensor LSI
Hiroki MORIMURA Satoshi SHIGEMATSU Toshishige SHIMAMURA Koji FUJII Chikara YAMAGUCHI Hiroki SUTO Yukio OKAZAKI Katsuyuki MACHIDA Hakaru KYURAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/05/01
Vol. E87-C  No. 5  pp. 791-800
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
fingerprint sensor, adaptive fingerprint-sensing, adjustable A/D conversion, fingerprint image quality evaluation, 
 Summary | Full Text:PDF(2.2MB)
Energy-Reduction Effect of Ultralow-Voltage MTCMOS/SIMOX Circuits Using a Graph with Equispeed and Equienergy Lines
Takakuni DOUSEKI Toshishige SHIMAMURA Koji FUJII Junzo YAMADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/02/25
Vol. E83-C  No. 2  pp. 212-219
Type of Manuscript:  Special Section PAPER (Special Issue on Low-Power High-Speed CMOS LSI Technologies)
Category: 
Keyword: 
ultralow-voltage circuit, multi-threshold CMOS, SIMOX, SOI, 
 Summary | Full Text:PDF(1.4MB)