Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12238479 | MEMS speaker and manufacturing method for same | Yiwei Zhou, Qiang Dan, Yang Li | 2025-02-25 |
| 12015896 | Piezoelectric speaker | Yu Shen, Qiang Dan, Yiwei Zhou, Yang Li | 2024-06-18 |
| 11968507 | Speaker having first diaphragm, second diaphragm with different stiffness from first diaphragm, and driver located in through hole of first diaphragm | Qiang Dan, Yiwei Zhou, Yu Shen, Yang Li | 2024-04-23 |
| 11950070 | Sound production device | Qiang Dan, Yu Shen, Yiwei Zhou, Yang Li | 2024-04-02 |
| 11895464 | MEMS speaker and speaker assembly structure | Yu Shen, Yiwei Zhou, Qiang Dan, Yang Li | 2024-02-06 |
| 11699988 | Resonator and method for manufacturing the same | Ke Wu, Yang Li, Chao Wang | 2023-07-11 |