Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11217404 | Keyswitch device | Chao-Chin Hsieh, Wei-Yi Lin, Sung-Ying Chen | 2022-01-04 |
| 10720288 | Keyboard device | Chao-Chin Hsieh, Yi-Cheng Chang | 2020-07-21 |
| 8759702 | Key structure and keyboard | Yao-Lun Huang | 2014-06-24 |