A single-chip fingerprint sensor and identifier. - Satoshi Shigematsu; Hiroki Morimura; Yasuyuki Tanabe; Takuya Adachi; Katsuyuki Machida (IEEE J. Solid State Circuits, 1999)

A novel sensor cell architecture and sensing circuit scheme for capacitive fingerprint sensors. - Hiroki Morimura; Satoshi Shigematsu; Katsuyuki Machida (IEEE J. Solid State Circuits, 2000)

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)

Pixel-Parallel Image-Matching Circuit Schemes for a Single-Chip Fingerprint Sensor and Identifier. - Satoshi Shigematsu; Hiroki Morimura; Katsuyuki Machida; Yukio Okazaki; Hakaru Kyuragi (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)

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)

Challenges in integration of diverse functionalities on CMOS. - Kazuya Masu; Noboru Ishihara; Toshifumi Konishi; Katsuyuki Machida; Hiroshi Toshiyoshi (ASP-DAC, 2013)

A mixed-design technique for integrated MEMS using a circuit simulator with HDL. - Hiroshi Toshiyoshi; Toshifumi Konishi; Katsuyuki Machida; Kazuya Masu (MIXDES, 2013)

An ultra low power pH-monitoring IC with a duty-cycling wireless FM-transmitter. - Yusuke Shiino; Hiroyuki Ito; Taku Fujiwara; Noboru Ishihara; Hisashi Yamanouchi; Hiroki Tanabe; Satoshi Nomura; Toshifumi Konishi; Katsuyuki Machida; Kazuya Masu (ISCAS, 2014)

Development of high sensitivity CMOS-MEMS inertia sensor and its application to early-stage diagnosis of Parkinson's disease. - Kazuya Masu; Daisuke Yamane; Katsuyuki Machida; Masato Sone; Yoshihiro Miyake (ESSCIRC, 2016)

A damping constant model for proof-mass structure design of MEMS inertial sensor by multi-layer metal technology. - Toshifumi Konishi; Teruaki Safu; Katsuyuki Machida; Daisuke Yamane; Masato Sone; Kazuya Masu; Hiroshi Toshiyoshi (IEEE SENSORS, 2016)

A design of spring constant arranged for MEMS accelerometer by multi-layer metal technology. - Daisuke Yamane; Toshifumi Konishi; Teruaki Safu; Hiroshi Toshiyoshi; Masato Sone; Kazuya Masu; Katsuyuki Machida (NEMS, 2016)

Evaluation and modeling of adhesion layer in shock-protection structure for MEMS accelerometer. - Daisuke Yamane; Toshifumi Konishi; Teruaki Safu; Hiroshi Toshiyoshi; Masato Sone; Kazuya Masu; Katsuyuki Machida (Microelectron. Reliab., 2016)

A study on young's modulus of electroplated gold cantilevers for MEMS devices. - Hideaki Nakajima; Tso-Fu Mark Chang; Chun-Yi Chen; Toshifumi Konishi; Katsuyuki Machida; Hiroshi Toshiyoshi; Daisuke Yamane; Kazuya Masu; Masato Sone (NEMS, 2017)

A 0.18-µm CMOS time-domain capacitive-sensor interface for sub-1mG MEMS accelerometers. - Motohiro Takayasu; Shiro Dosho; Hiroyuki Ito; Daisuke Yamane; Toshifumi Konishi; Katsuyuki Machida; Noboru Ishihara; Kazuya Masu (IEICE Electron. Express, 2018)

High-Sensitivity Inertial Sensor Module to Measure Hidden Micro Muscular Sounds. - Tatsuya Koga; Katsuyuki Machida; Yoshihiro Miyake; Kazuya Masu; Takashi Ichikawa; Naoto Tanaka; Taiki Ogata; Hiroki Ora; Daisuke Yamane; Noboru Ishihara; Hiroyuki Ito; Masato Sone (BioCAS, 2019)

Fabrication of Au-Cu Alloy/Ti Layered Micro-Cantilevers and the Long-Term Structure Stability. - Kyotaro Nitta; Masato Sone; Haochun Tang; Chun-Yi Chen; Tso-Fu Mark Chang; Daisuke Yamane; Shinichi Iida; Katsuyuki Machida; Hiroyuki Ito; Kazuya Masu (IEEE SENSORS, 2019)

Identification of Legionella Species by Photogate-Type Optical Sensor. - Sawako Tanaka; Shin-ichi Yoshida; Yong Joon Choi; Toshihiko Noda; Makoto Ishida; Kazuaki Sawada; Hiromu Ishii; Katsuyuki Machida; Yasuhiko Nikaido; Mitsumasa Saito (IEEE SENSORS, 2019)

A Simplified Analytical Damping Constant Model for Perforated Proof Mass Structure of MEMS Capacitive Accelerometer by Multi-Layer Metal Technology. - Kohei Shibata; Akihiro Uchiyama; Akira Onishi; Shinichi Iida; Toshifumi Konishi; Noboru Ishihara; Katsuyuki Machida; Kazuya Masu; Hiroyuki Ito (IEEE SENSORS, 2021)