Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9950245 | Gregarious card game | — | 2018-04-24 |
| 9799831 | P-type semiconducting polymers and related methods | Jun Li, Kok Haw Ong, Zhikuan Chen, Yujun Zhao, Siew Lay Lim +2 more | 2017-10-24 |
| 8964436 | Self-starting transistor-only full-wave rectifier for on-chip AC-DC conversion | Kwok Kuen (David) Kwong, Kwai Chi Chan, Yunlong Li | 2015-02-24 |
| 8581519 | Current-switching LED driver using DAC to ramp bypass currents to accelerate switching speed and reduce ripple | Kwok Kuen (David) Kwong, Yunlong Li, Weina Zhou | 2013-11-12 |
| 7061779 | Power factor correction circuit | — | 2006-06-13 |
| 6977823 | Switch power supply apparatus | — | 2005-12-20 |
| 6867678 | Transformer structure | — | 2005-03-15 |
| 6834002 | Power factor correction circuit | — | 2004-12-21 |
| 6600376 | High efficiency power amplifier | — | 2003-07-29 |
| 5444397 | All-CMOS high-impedance output buffer for a bus driven by multiple power-supply voltages | Anthony Wong, David Kwong, Charles Hsiao | 1995-08-22 |