Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12245011 | Active noise reduction acoustic unit and sound-producing unit | — | 2025-03-04 |
| 11917353 | Earbud | Tianliang Zhang, Youzhong Li | 2024-02-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12245011 | Active noise reduction acoustic unit and sound-producing unit | — | 2025-03-04 |
| 11917353 | Earbud | Tianliang Zhang, Youzhong Li | 2024-02-27 |