A 0.19-V minimum input low energy level shifter for extremely low-voltage VLSIs. - Ryo Matsuzuka; Tetsuya Hirose; Yuzuru Shizuku; Nobutaka Kuroki; Masahiro Numa (ISCAS, 2015)

An 80-mV-to-1.8-V Conversion-Range Low-Energy Level Shifter for Extremely Low-Voltage VLSIs. - Ryo Matsuzuka; Tetsuya Hirose; Yuzuru Shizuku; Kyohei Shinonaga; Nobutaka Kuroki; Masahiro Numa (IEEE Trans. Circuits Syst. I Regul. Pap., 2017)

Sub-0.1V Input, Low-Voltage CMOS Driver Circuit for Multi-Stage Switched Capacitor Voltage Boost Converter. - Masaya Nishi; Yuichiro Nakazawa; Kaori Matsumoto; Nobutaka Kuroki; Masahiro Numa; Ryo Matsuzuka; Osamu Maida; Daisuke Kanemoto; Tetsuya Hirose (ICECS, 2019)

A 34-mV Startup Ring Oscillator Using Stacked Body Bias Inverters for Extremely Low-Voltage Thermoelectric Energy Harvesting. - Masaya Nishi; Kaori Matsumoto; Nobutaka Kuroki; Masahiro Numa; Hikaru Sebe; Ryo Matsuzuka; Osamu Maida; Daisuke Kanemoto; Tetsuya Hirose (NEWCAS, 2020)

A 35-mV supply ring oscillator consisting of stacked body bias inverters for extremely low-voltage LSIs. - Masaya Nishi; Kaori Matsumoto; Nobutaka Kuroki; Masahiro Numa; Hikaru Sebe; Ryo Matsuzuka; Osamu Maida; Daisuke Kanemoto; Tetsuya Hirose (IEICE Electron. Express, 2021)