Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10433062 | Stereo audio system and method | — | 2019-10-01 |
| 8441316 | Switching supply circuits and methods | — | 2013-05-14 |
| 8111846 | Low distortion switching amplifier circuits and methods | Wolf Zhang, Alan Wu | 2012-02-07 |
| 7579910 | Low distortion switching amplifier circuits and methods | Wolf Zhang, Alan Wu | 2009-08-25 |
| 7256648 | Variable feedback circuits and methods | Simon Tsai | 2007-08-14 |
| 7046727 | Method and apparatus for self-oscillating differential feedback class-D amplifier | — | 2006-05-16 |
| 6489841 | Class D audio amplifier | — | 2002-12-03 |
| 6476673 | Class D audio amplifier | — | 2002-11-05 |
| 6437549 | Battery charger | — | 2002-08-20 |
| 6420930 | Class D audio amplifier | — | 2002-07-16 |
| 5949282 | Class D amplifier no low pass filter feedback with zero phase delay | Huey Nguyen | 1999-09-07 |