Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10382870 | Piezoelectric microphone | Junkai Zhan, Mengjin Cai | 2019-08-13 |
| 10349186 | MEMS microphone | Junkai Zhan, Mengjin Cai | 2019-07-09 |
| 10349187 | Acoustic sensor integrated MEMS microphone structure and fabrication method thereof | Junkai Zhan, Mengjin Cai, Guanxun Qiu, Qinglin Song | 2019-07-09 |
| 10233075 | Method for forming filter net on MEMS sensor and MEMS sensor | Junkai Zhan, Guanxun Qiu, Mengjin Cai | 2019-03-19 |