A 500-dpi cellular-logic processing array for fingerprint-image enhancement and verification. - Koji Fujii; Mamoru Nakanishi; Satoshi Shigematsu; Hiroki Morimura; Takahiro Hatano; Namiko Ikeda; Toshishige Shimamura; Yukio Okazaki; Hakaru Kyuragi (CICC, 2002)

A pixel-level automatic calibration circuit scheme for capacitive fingerprint sensor LSIs. - Hiroki Morimura; Satoshi Shigematsu; Toshishige Shimamura; Katsuyuki Machida; Hakaru Kyuragi (IEEE J. Solid State Circuits, 2002)

A Sub-0.5 V Differential ED-CMOS/SOI Circuit with Over-1-GHz Operation. - Takakuni Douseki; Toshishige Shimamura; Nobutaro Shibata (IEICE Trans. Electron., 2005)

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 (IEICE Trans. Electron., 2006)

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 (IEICE Trans. Electron., 2007)

A Fingerprint Sensor with Impedance Sensing for Fraud Detection. - Toshishige Shimamura; Hiroki Morimura; Nobuhiro Shimoyama; Tomomi Sakata; Satoshi Shigematsu; Katsuyuki Machida; Mamoru Nakanishi (ISSCC, 2008)

Nano-watt power management and vibration sensing on a dust-size batteryless sensor node for ambient intelligence applications. - Toshishige Shimamura; Mamoru Ugajin; Kenji Suzuki; Kazuyoshi Ono; Norio Sato; Kei Kuwabara; Hiroki Morimura; Shin'ichiro Mutoh (ISSCC, 2010)

Capacitive-Sensing Circuit Technique for Image Quality Improvement on Fingerprint Sensor LSIs. - Toshishige Shimamura; Hiroki Morimura; Satoshi Shigematsu; Mamoru Nakanishi; Katsuyuki Machida (IEEE J. Solid State Circuits, 2010)

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 (IEICE Trans. Electron., 2011)

1-cm3 event-driven wireless sensor nodes. - Shoichi Oshima; Kenichi Matsunaga; Toshishige Shimamura; Hiroki Morimura; Mitsuru Harada (ICCS, 2012)

Ultra-low-power circuit techniques for mm-size wireless sensor nodes with energy harvesting. - Hiroki Morimura; Shoichi Oshima; Kenichi Matsunaga; Toshishige Shimamura; Mitsuru Harada (IEICE Electron. Express, 2014)