Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1060628 | Electric warmer | — | 2025-02-04 |
| 10462868 | Circuit and method for driving LED lamp with a dimmer | Xuegang Ren, Na Liu | 2019-10-29 |
| 9431895 | High power-factor control circuit and power supply | Na Liu, Zeqiang Chen, Yajiang Zhu, Chao Deng, Zhimin Hu +1 more | 2016-08-30 |
| 8923021 | Control circuit and system for switch mode power supply | Xuegang Ren, Siyuan Xu, Na Liu, Zeqiang Chen | 2014-12-30 |
| 8878448 | Circuit and method for driving LED lamp with a dimmer | Xuegang Ren, Na Liu | 2014-11-04 |
| 8482943 | Power transistor driving circuits and methods for switching mode power supplies | Qiang Zong, Yajiang Zhu | 2013-07-09 |