Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7605570 | Bridgeless PFC converter with low common-mode noise and high power density | Xiaoni Xin, Jianhong Zeng, Jianping Ying, Wei Zhao | 2009-10-20 |
| 7495934 | Adaptive synchronous rectification control circuit and method thereof | Lifeng Chen, Hongjian Gan, Jianping Ying | 2009-02-24 |
| 7184287 | Rectifier clamping circuit with reverse energy recovery | Jianping Ying, Xingkuan Guo, Jianhong Zeng, Yue Fu | 2007-02-27 |
| 7099134 | Apparatus for protecting boost converter in abnormal operation | Jianping Ying, Xingkuan Guo, Jianhong Zeng | 2006-08-29 |
| 7009852 | DC-DC converter circuits and method for reducing DC bus capacitor current | Jianping Ying, Qingyou Zhang, Aibin Qiu, Xingkuan Guo, Jianhong Zeng | 2006-03-07 |
| 6937000 | Cross regulation and methods for controlling boost converter | Jianping Ying, Jianhong Zeng | 2005-08-30 |
| 6937486 | Methods and controllers for suppressing DC magnetic deflection of transformer | Xingkuan Guo, Jianping Ying, Jianhong Zeng | 2005-08-30 |