Issued Patents All Time
Showing 25 most recent of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12413150 | Switching mode power supply with zero voltage switching and the method thereof | Zhen Zhang | 2025-09-09 |
| 11671019 | Bridge circuit with series-connected switches and control method thereof | Shuai Shao, Jianjia Zhang, Zhi Liang Gao, Yucen Li, Kuang SHENG | 2023-06-06 |
| D986432 | Massage apparatus | — | 2023-05-16 |
| 10506684 | Protection circuit and illumination driving circuit | Guoqiang Liu, Pitleong Wong, Yuancheng Ren, Xunwei Zhou | 2019-12-10 |
| 10505442 | Synchronous rectification control circuit, method and flyback switch circuit | Pitleong Wong, Yuancheng Ren, Xunwei Zhou, Yiqing Jin | 2019-12-10 |
| 10153684 | Bleeder circuit | Guoqiang Liu, Bai Lang, Pitleong Wong, Yuancheng Ren, Xunwei Zhou | 2018-12-11 |
| 10135330 | Control circuit and control method for a power converter | Chen Zhao | 2018-11-20 |
| 9899909 | Control device and method of totem-pole bridgeless PFC soft switch | Guoxian Lin, Jianping Zhou, Tao Liu | 2018-02-20 |
| 9595885 | Isolated switching mode power supply and the method thereof | Siran Wang, Yuancheng Ren | 2017-03-14 |
| 9577514 | Peak sample circuit for AC voltage and method thereof | Siran Wang, Yike Li, Kun Yi, Yuancheng Ren, En Li | 2017-02-21 |
| 9577512 | Current zero-cross detection device, signal acquisition circuit, and circuit system | Jing Wang, Jie Fan, Jianping Zhou | 2017-02-21 |
| 9479046 | Multi-mode PFC control and control method thereof | Sicong Lin, Yiqing Jin, Yuancheng Ren | 2016-10-25 |
| 9438228 | High efficiency gate drive circuit for power transistors | Fang Peng, Zhiqian Chen | 2016-09-06 |
| 9407151 | Flyback converter with current controlled low power mode | Yuancheng Ren | 2016-08-02 |
| 9331583 | Switch mode power supply, control circuit and associated control method | Hao Long, Hui Li | 2016-05-03 |
| 9201102 | AC signal detector and the method thereof | Siran Wang, Yike Li, Kun Yi, Yuancheng Ren, En Li | 2015-12-01 |
| 9093909 | Switching mode power supply and the method thereof | Siran Wang, Yuancheng Ren | 2015-07-28 |
| 9065348 | Isolated switching mode power supply and the method thereof | Siran Wang, Yuancheng Ren | 2015-06-23 |
| 9035566 | Light emitting diode driver systems and associated methods of control | Lei Du, Bairen Liu, Kaiwei Yao, Yuancheng Ren | 2015-05-19 |
| 8971061 | Off time control method for switching regulator | En Li, Yang Shi, Huanyu Lu, Yuancheng Ren | 2015-03-03 |
| 8952632 | Driver systems for driving light emitting diodes and associated driving methods | Lei Du, Bairen Liu, Kaiwei Yao, Yuancheng Ren | 2015-02-10 |
| 8907592 | Power systems for driving light emitting diodes and associated methods of control | Jin-Kui Hu, Lei Du, Yuancheng Ren, Zhijun Ye | 2014-12-09 |
| 8766605 | Bridgeless PFC converter and the method thereof | Yuancheng Ren, Bo Zhang, Miao Lei, James C. Moyer, Eric Yang | 2014-07-01 |
| 8749997 | Peak current control circuit for switching mode power supply and method thereof | Siran Wang, Yuancheng Ren, En Li | 2014-06-10 |
| 8593841 | Compensation circuit for constant current regulation of power supply and method thereof | Siran Wang, Yuancheng Ren, En Li | 2013-11-26 |