Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11387055 | Control device capable of providing rotational damping through magnetic force | Chi-Feng Liu, Yuan LIU | 2022-07-12 |
| 11322315 | Control device capable of providing rotational damping through elastic force | Chi-Feng Liu, Yuan LIU | 2022-05-03 |
| 7630192 | Universal type keyboard | Chin-Hao Hung | 2009-12-08 |