Issued Patents All Time
Showing 25 most recent of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE50277 | Power converter and method of control thereof | Haibin Song, Laszlo Huber, Daofei Xu, Alpha J. Zhang, Chien-Chung Chang | 2025-01-21 |
| 10141853 | Power converter and method of control thereof | Haibin Song, Laszlo Huber, Daofei Xu, Alpha J. Zhang, Chien-Chung Chang | 2018-11-27 |
| 9621070 | Power supply with multiple converters and averaged feedforward control | Peter Mantovanelli Barbosa, Brian T. Irving, Chih-Chiang Chan, Yu-Ming Chang | 2017-04-11 |
| 9496797 | Bidirectional converters and flux-balancing control methods thereof | Yuri Panov, Brian T. Irving | 2016-11-15 |
| 9490704 | System and methods for controlling secondary side switches in resonant power converters | Yungtaek Jang | 2016-11-08 |
| 9263960 | Power converters for wide input or output voltage range and control methods thereof | Brian T. Irving | 2016-02-16 |
| 9006930 | Power supply having converters with serially connected inputs and parallel connected outputs | Yungtaek Jang, Sheng-Hua Li, Chia-Cheng Yang | 2015-04-14 |
| 8970198 | Switch-mode power supply having reduced audible noise | Laszlo Huber, Chien-Chung Chang | 2015-03-03 |
| 8891261 | Three-phase three-level soft-switched PFC rectifiers | Yungtaek Jang | 2014-11-18 |
| 8687388 | Three-phase soft-switched PFC rectifiers | Yungtaek Jang | 2014-04-01 |
| 8432104 | Load current balancing circuit | Yuequan Hu | 2013-04-30 |
| 8423806 | Power management system capable of saving power and optimizing operating efficiency of power supplies for providing power with back-up or redundancy to plural loads | Bruce C. H. Cheng, Chi-Hsing Huang | 2013-04-16 |
| 8410768 | Switch-mode power supply having reduced audible noise | Laszlo Huber, Chien-Chung Chang | 2013-04-02 |
| 8299773 | System and method for limiting input-current surge in a switching mode power supply | Yungtaek Jang, Yi-Hsin Leu, Ming-Tsung Hsieh, Wei Wen, Chi-Hsing Huang | 2012-10-30 |
| 8274236 | Power supply having an auxiliary power stage for sustaining sufficient post ignition current in a DC lamp | Yuequan Hu | 2012-09-25 |
| 8261102 | Power management system capable of saving power and optimizing operating efficiency of power supplies for providing power with back-up or redundancy to plural loads | Bruce C. H. Cheng, Chi-Hsing Huang | 2012-09-04 |
| 8233298 | Power factor correction rectifier that operates efficiently over a range of input voltage conditions | Yungtaek Jang | 2012-07-31 |
| 8179698 | Power converter system that operates efficiently over a range of load conditions | Yungtaek Jang, Bruce C. H. Cheng | 2012-05-15 |
| 8120457 | Current-controlled variable inductor | Yuequan Hu, Laszlo Huber | 2012-02-21 |
| 8035536 | Digitally controlled three-phase PFC rectifier | Zhen Z. Ye | 2011-10-11 |
| 8004260 | Method and apparatus for multi-stage power supplies | Brian T. Irving, Sheng-Hua Li, Yung-Sheng Yeh, Chi-Hsing Huang | 2011-08-23 |
| 7884588 | Control method and device for a system of interleaved converters using a designated master converter | Claudio Adragna, Aldo Novelli, Antonio Borrello, Laszlo Huber, Brian T. Irving | 2011-02-08 |
| 7291983 | Ballast and igniter for a lamp having larger storage capacitor than charge pump capacitor | Yuequan Hu, Yuan NIU, Colin Weng | 2007-11-06 |
| 7271545 | Ballast and igniter for a lamp having larger storage capacitor than charge pump capacitor | Yuequan Hu, Yuan NIU, Colin Weng | 2007-09-18 |
| 7265650 | Power factor correction rectifier having independent inductive components | Yungtaek Jang | 2007-09-04 |