Patents/Inventors

Yingyan He

HangzhouCN1 patent

2 Patents

US122943012025
Power Supply Circuit and Light-emitting Diode (LED) Driving System Using Power Supply Circuit
Joulwatt Technology Co., Ltd.
0 cites
US121197492024
Flyback Converter, Constant-current Control Method, and Lighting System
Joulwatt Technology Co., Ltd.
0 cites