Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8421431 | Frequency jitter controller for power converter | — | 2013-04-16 |
| 8300427 | Power conversion apparatus and over current protection method thereof | Chih-Hsiung Hsu | 2012-10-30 |
| 8258824 | Heterodyne dual slope frequency generation method for the load change of power supply | — | 2012-09-04 |
| 8027178 | Power conversion apparatus with adjustable LEB time and over current protection method thereof | — | 2011-09-27 |
| 7728683 | Phase recovery circuit | — | 2010-06-01 |
| 7358821 | Digital frequency jittering apparatus with random data generator and method thereof | — | 2008-04-15 |
| 7193453 | Dual loop voltage regulation circuit of power supply chip | Da-Chun Wei, Yi-Shan Chu | 2007-03-20 |
| 7154801 | Protection circuit of a memory module and the method thereof | Yi-Shan Chu, Da-Chun Wei | 2006-12-26 |