Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11108393 | Optical keyswitch triggered by support mechanism having at least one rotatable frame enable a protrusion to move along with a key cap | Yu-Chun Hsieh, Yung-Chih Wang, Chia-Hung Liu, Ching-Yu Wang, Li-Te Chang | 2021-08-31 |
| 11018667 | Optical keyswitch | Yu-Chun Hsieh, Yung-Chih Wang, Chia-Hung Liu | 2021-05-25 |
| 10937610 | Keyboard keyswitches having adjustable tactile feedback members | Yung-Chih Wang, Chia-Hung Liu, Yu-Chun Hsieh, Chih-Yao Chi | 2021-03-02 |
| 10930451 | Keyswitch with adjustable tactile feedback | Yung-Chih Wang, Chia-Hung Liu, Yu-Chun Hsieh | 2021-02-23 |