Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8143542 | Keypad assembly and electronic device using same | Chung-Yu Liu | 2012-03-27 |
| 7989716 | Keypad assembly and electronic device using same | Chung-Yu Liu | 2011-08-02 |
| 7848786 | Portable electronic device | Chung-Yu Liu, Ping-Chu Tsai | 2010-12-07 |