Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6727439 | Pressure sensitive pen | Ching-Chuan Chao, Chung-Wen Hsu | 2004-04-27 |
| D449608 | Computer switching apparatus | — | 2001-10-23 |
| 6281457 | Power switch apparatus of universal serial bus device | — | 2001-08-28 |