Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8970331 | Keyswitch assembly and keyboard | Chao-Lung Chang, Chien-Shih Hsu | 2015-03-03 |
| 6839226 | Keyboard with adjustable support devices | — | 2005-01-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8970331 | Keyswitch assembly and keyboard | Chao-Lung Chang, Chien-Shih Hsu | 2015-03-03 |
| 6839226 | Keyboard with adjustable support devices | — | 2005-01-04 |