An AC-coupled hybrid envelope modulator for HSUPA transmitters with 80% modulator efficiency. - Patrick Riehl; Paul Fowers; Hao-Ping Hong; Michael Ashburn (ISSCC, 2013)

In-Vehicles Wireless Charging System for Portable Devices. - Ron-Chi Kuo; Patrick Riehl; Anand Satyamoorthy; Jenshan Lin (VTC Fall, 2015)

A low-power integrated power converter for an electromagnetic vibration energy harvester with 150 mV-AC cold startup, frequency tuning, and 50 Hz AC-to-DC conversion. - Ujwal Radhakrishna; Patrick Riehl; Nachiket V. Desai; Phillip M. Nadeau; Yuechen Yang; Abraham Shin; Jeffrey H. Lang; Anantha P. Chandrakasan (CICC, 2018)

Alignment-Free Wireless Charging of Smart Garments with Embroidered Coils. - Chin-Wei Chang; Patrick Riehl; Jenshan Lin (Sensors, 2021)