Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11102697 | Method for controlling earphone switching and earphone | Jinhua Gong | 2021-08-24 |
| 11043980 | Method for controlling earphone switching, earphone, and earphone system | Jinhua Gong | 2021-06-22 |