Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10932044 | Speaker | Hongjian Hu, Shuai Li | 2021-02-23 |
| 10932052 | Voice coil, method for winding voice coil, and speaker having voice coil | Hongjian Hu, Shuai Li | 2021-02-23 |
| 10924863 | Diaphragm and speaker | Hongjian Hu, Shuai Li | 2021-02-16 |