Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11048119 | Keyboard device and operation method thereof | Chun-Lin Chen, Chin-Fa Wu, Er-Hao Chen, Ming-Fu Yen | 2021-06-29 |
| 10727866 | Keyboard apparatus | Er-Hao Chen | 2020-07-28 |
| 8749407 | Method and system for detecting hidden ghost keys on keyboard matrix | Chien-Hui Chang | 2014-06-10 |
| 8314723 | Ghost key detecting circuit and related method | Chiung-Chih Huang, Kuo-Fu Kuo | 2012-11-20 |
| 8264384 | Keyboard control circuit | Mao-Ta Tsao | 2012-09-11 |