Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12381358 | Universal serial bus device | Chien-Chang Chen | 2025-08-05 |
| 11569046 | Keyswitch with member and support devices | Chin-Lung Chan, Hung-Chieh Lo | 2023-01-31 |
| 11551889 | Key switch | Yu-Chih Chang, Chin-Lung Chan | 2023-01-10 |
| 11551890 | Keyswitch preventing lateral sliding | Jin-Long Chan, Yu-Chih Chang | 2023-01-10 |
| 11289284 | Keyswitch structure | Chin-Lung Chan, Yu-Chih Chang | 2022-03-29 |
| 10984968 | Keyswitch structure | Chin-Lung Chan, Yu-Chih Chang | 2021-04-20 |
| 10971314 | Key switch | Chih-Hsiang Chiang, Chin-Lung Chan, Yu-Chih Chang | 2021-04-06 |
| 6523799 | Adjustable-height stand | — | 2003-02-25 |
| 6461002 | Projector tilt adjust system comprising a latching mechanism for a height-adjusting system | — | 2002-10-08 |