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)

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