A voltage scaling 0.25-1.8 V delta-sigma modulator with inverter-opamp self-configuring amplifier. - Kentaro Yoshioka; Yosuke Toyama; Teruo Jyo; Hiroki Ishikuro (ISCAS, 2013)

20 mV input, 4.2 V output SIDO boost converter with low-power controller and adaptive switch size selector for thermoelectric energy harvesting. - Yosuke Toyama; Taichi Ogawa; Takeshi Ueno; Tetsuro Itakura (A-SSCC, 2016)

A programmable ΔΣ SAR-ADC with charge shuttling technique. - Kohei Yamada; Yosuke Toyama; Hiroki Ishikuro (ISOCC, 2016)

A 12.4TOPS/W, 20% Less Gate Count Bidirectional Phase Domain MAC Circuit for DNN Inference Applications. - Yosuke Toyama; Kentaro Yoshioka; Koichiro Ban; Akihide Sai; Kohei Onizuka (A-SSCC, 2018)

PhaseMAC: A 14 TOPS/W 8bit GRO Based Phase Domain MAC Circuit for in-Sensor-Computed Deep Learning Accelerators. - Kentaro Yoshioka; Yosuke Toyama; Koichiro Ban; Daisuke Yashima; Shigeru Maya; Akihide Sai; Kohei Onizuka (VLSI Circuits, 2018)

An 8 Bit 12.4 TOPS/W Phase-Domain MAC Circuit for Energy-Constrained Deep Learning Accelerators. - Yosuke Toyama; Kentaro Yoshioka; Koichiro Ban; Shigeru Maya; Akihide Sai; Kohei Onizuka (IEEE J. Solid State Circuits, 2019)