Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9257893 | USB power supply | Shu Hung Henry Chung, Yau Chung John Chan | 2016-02-09 |
| 9170986 | Power quality meter and method of waveform anaylsis and compression | Wing Hong Lau | 2015-10-27 |