Issued Patents 2024
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12015896 | Piezoelectric speaker | Qiang Dan, Yiwei Zhou, Shiyang Cheng, 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 | Shiyang Cheng, Qiang Dan, Yiwei Zhou, Yang Li | 2024-04-23 |
| 11950070 | Sound production device | Qiang Dan, Shiyang Cheng, Yiwei Zhou, Yang Li | 2024-04-02 |
| 11910155 | MEMS speaker | Qiang Dan, Yiwei Zhou, Yang Li | 2024-02-20 |
| 11895464 | MEMS speaker and speaker assembly structure | Shiyang Cheng, Yiwei Zhou, Qiang Dan, Yang Li | 2024-02-06 |