Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11159895 | Piezoelectric type and capacitive type combined MEMS microphone | Bei Tong, Zhan Zhan, Kahkeen Lai, Xiaohui Zhong, Lian Duan | 2021-10-26 |
| 11085954 | Control circuit, bias circuit, and control method | Jun Ma, Qiang Su, Jiangtao Yi | 2021-08-10 |