Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10637470 | Optical keyswitch | Yung-Chih Wang, Yu-Chun Hsieh, Chia-Hung Liu | 2020-04-28 |
| 10572018 | Keyswitch with adjustable tactile feedback | Chia-Hung Liu, Yung-Chih Wang, Yu-Chun Hsieh | 2020-02-25 |
| 10535477 | Button switch and keyswitch thereof | Yu-Chun Hsieh, Yung-Chih Wang, Chia-Hung Liu, Yen-Hsiao Lin | 2020-01-14 |
| 10431402 | Button switch with adjustable tactile feedback | Yu-Chun Hsieh, Chia-Hung Liu, Yung-Chih Wang | 2019-10-01 |