Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11533565 | Dual back-plate and diaphragm microphone | Chun-Wen Cheng, Chia-Hua Chu | 2022-12-20 |
| 11051109 | Dual back-plate and diaphragm microphone | Chun-Wen Cheng, Chia-Hua Chu | 2021-06-29 |