Issued Patents 2021
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11172310 | Sound producing device | Lei Chen | 2021-11-09 |
| 11172300 | Sound producing device | Hsi-Sheng Chen, Chiung C. Lo, Wen-Chien Chen, Chun-I Chang, Hao-Hsin Chang | 2021-11-09 |
| 11133784 | Method of driving circuit with energy recycle capability | — | 2021-09-28 |
| 11057716 | Sound producing device | Chiung C. Lo, Wen-Chien Chen, Chun-I Chang | 2021-07-06 |
| 11057692 | Driving circuit for sound producing device | — | 2021-07-06 |
| 11051108 | Cell arrangement of sound producing device | — | 2021-06-29 |
| 11043197 | Air pulse generating element and sound producing device with virtual valve | Jye Ren | 2021-06-22 |
| 10979808 | Sound producing device | Chiung C. Lo | 2021-04-13 |