Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9147535 | Keyswitch and keyboard thereof | — | 2015-09-29 |
| 7709762 | Keyboard | Chih-Chung Yen, Yi-Chen Wang, Ling-Hsi Chao | 2010-05-04 |
| 6493215 | Keyboard device fixed on a portable computer | Chih-Hsiang Chiang, Yu-Feng Wei | 2002-12-10 |