Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12425760 | Method and device for detecting wearing state of earphone, and earphone | Bin Du, Chunlei Dai | 2025-09-23 |
| 11985470 | Method and device for detecting wearing state of earphones, and earphones | Chunlei Dai, Ji Chen, Bin Du | 2024-05-14 |
| 11948593 | Method and apparatus for removing noise from sound signal from microphone | Bin Du | 2024-04-02 |