Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11172300 | Sound producing device | Jemm Yue Liang, Hsi-Sheng Chen, Chiung C. Lo, Chun-I Chang, Hao-Hsin Chang | 2021-11-09 |
| 11057716 | Sound producing device | Chiung C. Lo, Chun-I Chang, Jemm Yue Liang | 2021-07-06 |