Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6903925 | Keyswitch for keyboard of notebook computer | — | 2005-06-07 |
| 6733196 | Stroke-limited key structure and keyboard including the structure | Chi-Hung Chen | 2004-05-11 |
| 6613996 | Low-noise key switch and keyboard thereof | — | 2003-09-02 |