Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |