Issued Patents All Time
Showing 76–86 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7605570 | Bridgeless PFC converter with low common-mode noise and high power density | Teng Liu, Xiaoni Xin, Jianping Ying, Wei Zhao | 2009-10-20 |
| 7184287 | Rectifier clamping circuit with reverse energy recovery | Jianping Ying, Teng Liu, Xingkuan Guo, Yue Fu | 2007-02-27 |
| 7116087 | Current sharing method and apparatus for alternately controlling parallel connected boost PFC circuits | Qingyou Zhang, Aibin Qiu, Jianping Ying | 2006-10-03 |
| 7099134 | Apparatus for protecting boost converter in abnormal operation | Jianping Ying, Teng Liu, Xingkuan Guo | 2006-08-29 |
| 7061777 | Input stage circuit of three-level DC/DC converter | Jianping Ying, Xiaojun Deng, Xingkuan Guo, Aiming Xiong | 2006-06-13 |
| 7009852 | DC-DC converter circuits and method for reducing DC bus capacitor current | Jianping Ying, Qingyou Zhang, Aibin Qiu, Teng Liu, Xingkuan Guo | 2006-03-07 |
| 6937486 | Methods and controllers for suppressing DC magnetic deflection of transformer | Teng Liu, Xingkuan Guo, Jianping Ying | 2005-08-30 |
| 6937000 | Cross regulation and methods for controlling boost converter | Jianping Ying, Teng Liu | 2005-08-30 |
| 6856095 | High frequency heating device | Xingkuan Guo, Jianping Ying | 2005-02-15 |
| 6778410 | DC-to-DC converter | Jianping Ying, Qingyou Zhang | 2004-08-17 |
| 6388897 | DC-to-DC converter and method for converting direct current to direct current | Jianping Ying, Chau-Chun Wen, Hai Geng | 2002-05-14 |