Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8884568 | Driving circuit and method for fan | Ching-Feng Lai, Hung-Chun Yeh | 2014-11-11 |
| 8358118 | Current mode boost converter with fixed PWM/PFM boundary | Chih-Ning Chen | 2013-01-22 |
| 8248036 | Battery charging circuit for improving operating stability | Zong-Yu Wu | 2012-08-21 |
| 8106642 | Current mode buck converter with fixed PWM/PFM boundary | Chih-Ning Chen | 2012-01-31 |
| 7888977 | Electronic device for supplying DC power | — | 2011-02-15 |
| 7456624 | PWM control scheme under light load | Yu-Chang Chen, Chih-Ning Chen | 2008-11-25 |