YH

Yingyan He

JC Joulwatt Technology Co.: 2 patents #8 of 22Top 40%
JC Joulwatt Technology (Hangzhou) Co.: 2 patents #12 of 30Top 40%
Overall (All Time): #1,081,894 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12294301 Power supply circuit and light-emitting diode (LED) driving system using power supply circuit Guoqiang Liu 2025-05-06
12119749 Flyback converter, constant-current control method, and lighting system Guoqiang Liu 2024-10-15
10645780 Control circuit and control method for lighting circuit, and lighting circuit Zhongwu Wu, Hao Long, Yuancheng Ren, Xunwei Zhou 2020-05-05
10327296 Dimming circuit, dimming method and LED driving circuit Guoqiang Liu, Pitleong Wong, Yuancheng Ren, Xunwei Zhou 2019-06-18