Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8405004 | Intelligent electric kettle | — | 2013-03-26 |
| 8179064 | Electric motor protection system | — | 2012-05-15 |
| 8172451 | Programmable electronic hand mixer | — | 2012-05-08 |
| 8106645 | Power saving system for household electric appliance | — | 2012-01-31 |
| 6660070 | Air purifier | Chi Cheung Chung, Stephen Wai-Kin Chan | 2003-12-09 |
| 6382084 | Electric toaster | Stephen Wai-Kin Chan | 2002-05-07 |
| 6140621 | Toaster oven with timer display | Hoo-Yin Ho, Kwok-Fai Liu | 2000-10-31 |