Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10115426 | Optical disc and method for judging whether optical disc is placed reversely | Chou-Chien Chien | 2018-10-30 |
| 10056104 | Optical disc and method for judging whether optical disc is placed reversely | Chou-Chien Chien | 2018-08-21 |