Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392898 | Active distance measuring device and method of active distance measuring | Chih-Liang Chang | 2025-08-19 |
| 11819315 | Human condition detecting device | Kuang-Hua Pai, Chih-Liang Chang, Mim-Nan Yeh, Hung-Ta Chen | 2023-11-21 |