Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE41676 | Intelligent serial battery charger and charging block | Kwok Wong Yau, Long Bai | 2010-09-14 |
| 7557538 | Intelligent serial battery charger | Kwok Wong Yau, Long Bai | 2009-07-07 |
| 7023269 | Digital amplifier and methods for enhancing resolution and dynamic range of a digital amplifier | Yongmin Meng, Longhai Ye | 2006-04-04 |
| 6822423 | Intelligent serial battery charger and charging block | Kwok Wong Yau, Long Bai | 2004-11-23 |
| 6580249 | Intelligent serial battery charger and charging block | Kwok Wong Yau, Long Bai | 2003-06-17 |