Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11448294 | Linkage mechanism | Chin-Hsien Chang | 2022-09-20 |
| 10915150 | Linkage mechanism and electronic device | Chin-Hsien Chang | 2021-02-09 |
| 10208842 | Linkage mechanism | Pai-Feng Chen, Mao-Da Chen | 2019-02-19 |