Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9886969 | Gramophone record | Chiang-Yao Chen, Tung-Jung Wu, Li Chen | 2018-02-06 |
| 9524736 | Gramophone record | Hsien-Hui Wang, Chien-I Mao | 2016-12-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9886969 | Gramophone record | Chiang-Yao Chen, Tung-Jung Wu, Li Chen | 2018-02-06 |
| 9524736 | Gramophone record | Hsien-Hui Wang, Chien-I Mao | 2016-12-20 |