BiCMOS circuit technology for a high-speed SRAM. - Takakuni Douseki; Yasuo Ohmori (IEEE J. Solid State Circuits, 1988)

Fast-access BiCMOS SRAM architecture with a VSS generator. - Takakuni Douseki; Yasuo Ohmori; Hideo Yoshino; Junzo Yamada (IEEE J. Solid State Circuits, 1991)

1-V power supply high-speed digital circuit technology with multithreshold-voltage CMOS. - Shin'ichiro Mutoh; Takakuni Douseki; Yasuyuki Matsuya; Takahko Aoki; Satoshi Shigematsu; Junzo Yamada (IEEE J. Solid State Circuits, 1995)

A 0.5-V MTCMOS/SIMOX logic gate. - Takakuni Douseki; Satoshi Shigematsu; Junzo Yamada; Mitsuru Harada; Hiroshi Inokawa; Toshiaki Tsuchiya (IEEE J. Solid State Circuits, 1997)

A sub-1V dual-threshold domino circuit using product-of-sum logic. - Koji Fujii; Takakuni Douseki; Yuichi Kado (ISLPED, 2001)

A batteryless wireless system with MTCMOS/SOI circuit technology. - Takakuni Douseki; Tsuneo Tsukahara; Yoshifumi Yoshida; Fumiyasu Utsunomiya; Norio Hama (CICC, 2003)

A batteryless optical-wireless system with white-LED illumination. - Takakuni Douseki (PIMRC, 2004)

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)

Sub-1-V Power-Supply System with Variable-Stage SC-Type DC-DC Converter Scheme for Ambient Energy Sources. - Yoshifumi Yoshida; Fumiyasu Utsunomiya; Takakuni Douseki (IEICE Trans. Electron., 2005)

A 0.5-V 25-MHz 1-mW 256-kb MTCMOS/SOI SRAM for solar-power-operated portable personal digital equipment - sure write operation by using step-down negatively overdriven bitline scheme. - Nobutaro Shibata; Hiroshi Kiya; Shigehiro Kurita; Hidetaka Okamoto; Masa'aki Tan'no; Takakuni Douseki (IEEE J. Solid State Circuits, 2006)

Nanowatt-Power-Level Automatic Switch Combining ED-CMOS Circuit and LED. - Fumiyasu Utsunomiya; Takakuni Douseki (IEICE Trans. Electron., 2012)

Self-powered wireless disposable sensor for welfare application. - Takakuni Douseki; Ami Tanaka (EMBC, 2013)

A wireless self-powered urinary incontinence sensor embedded in disposable diapers. - Ami Tanaka; Takakuni Douseki (ISMICT, 2013)

Wireless Self-Powered Urinary Incontinence Sensor for Disposable Diapers. - Ami Tanaka; Takakuni Douseki (IEICE Trans. Commun., 2014)

Programmable multimode, multichannel universal wireless receiver with FFT-based multicarrier demodulator for batteryless wireless sensors. - Hisashi Nishikawa; Kei Igarashi; Takeshi Nishihashi; Yuya Shimizu; Ryota Suematsu; Ami Tanaka; Takakuni Douseki (IEEE SENSORS, 2016)

Contactless direct heart-motion sensor using femtofarad-level capacitance-variation detector with VHF-band LC-oscillator. - Hisashi Nishikawa; Yuta Kambara; Yuya Shimizu; Kei Igarashi; Ami Tanaka; Takakuni Douseki (IEEE SENSORS, 2016)

Self-powered wireless urinary-incontinence sensor determines time for diaper change from spacing between sensing signals. - Ami Tanaka; Ryota Suematsu; Hiroya Sakamoto; Takakuni Douseki (IEEE SENSORS, 2016)

Wireless-power transmitter with distance sensor for ultra-small wearable devices. - Takeshi Nishihashi; Hisashi Nishikawa; Norifumi Kashiyama; Ami Tanaka; Takakuni Douseki (IEEE SENSORS, 2017)

Self-powered wireless plant health monitoring system detects circadian rhythm using sap-activated battery. - Ami Tanaka; Syuuichi Okamoto; Ryoma Furumori; Takakuni Douseki; Fumiyasu Utsunomiya (IEEE SENSORS, 2017)

Self-Powered Wireless Urinary-Incontinence Sensor System Detecting Urine Amount and Diaper Change Timing in Under 10 Minutes. - Hiroya Sakamoto; Ami Tanaka; Ryota Suematsu; Yo Nakajima; Takakuni Douseki (ISMICT, 2018)

Illuminance-robust semipermanent 2D porous code. - Kentaro Kimura; Asuka Ohashi; Yohei Fukumizu; Takakuni Douseki (ICEIC, 2019)

Batteryless Speed and Timestamp Recorder with Multi-channel FM Radio Featuring Bicycle Frame Antenna. - Shogo Umemoto; Norifumi Kashiyama; Hisashi Nishikawa; Ami Tanaka; Takakuni Douseki (ICUFN, 2019)

An RF Distance Sensor Utilizing Harmonic Signal from Rectenna for Power-Controlled Wireless Power Transmission System to Wearable Devices. - Norifumi Kashiyama; Kosuke Yoshida; Hisashi Nishikawa; Ami Tanaka; Takakuni Douseki (ICCE, 2020)

Urine-activated Battery Using Conductive Yarn Electrodes with Folded Backstitch Structure for Self-powered Urinary Incontinence Sensor. - Ami Tanaka; Shiyuya Imoto; Takakuni Douseki (ATAIT, 2021)

Self-powered Wireless UV Sensor with Intervals of Wireless Transmission. - Shunta Furumura; Yasuhiro Hiraga; Fumiyasu Utsunomiya; Minoru Sudo; Ami Tanaka; Takakuni Douseki (IEEE SENSORS, 2021)

Alive Monitoring Sensor System with 2.45-GHz Wireless Power Transfer for Self-powered Wireless Sensor. - F. Nishimura; Y. Hirai; A. Kamitani; Ami Tanaka; Fumiyasu Utsunomiya; Hisashi Nishikawa; Takakuni Douseki (IEEE SENSORS, 2021)

Temperature-Robust 0.48-V FD-SOI Intermittent Startup Circuit with 300-nA Quiescent Current for Batteryless Wireless Sensor Capable of 1-μA Energy Harvesting Sources. - Minoru Sudo; Fumiyasu Utsunomiya; Ami Tanaka; Takakuni Douseki (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2021)