Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11974094 | MEMS microphone | Jun Li, Mengjin Cai | 2024-04-30 |
| 11381917 | Vibration diaphragm in MEMS microphone and MEMS microphone | Mengjin Cai | 2022-07-05 |
| 10932064 | Condenser microphone and electronic device | Mengjin Cai | 2021-02-23 |
| 10760929 | Environmental sensor and manufacturing method thereof | Mengjin Cai | 2020-09-01 |
| 10750292 | MEMS microphone chip and MEMS microphone | Jianglong Li, Mengjin Cai | 2020-08-18 |
| 10382870 | Piezoelectric microphone | Zonglin Zhou, Mengjin Cai | 2019-08-13 |
| 10349186 | MEMS microphone | Mengjin Cai, Zonglin Zhou | 2019-07-09 |
| 10349187 | Acoustic sensor integrated MEMS microphone structure and fabrication method thereof | Mengjin Cai, Guanxun Qiu, Zonglin Zhou, Qinglin Song | 2019-07-09 |
| 10233075 | Method for forming filter net on MEMS sensor and MEMS sensor | Zonglin Zhou, Guanxun Qiu, Mengjin Cai | 2019-03-19 |