Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11632629 | Reinforcing part for diaphragm of speaker, the diaphragm and the speaker | Yong Li | 2023-04-18 |
| 11575993 | Speaker and speaker module | Changlong Li, Jianxin Wang, Yong Li, Zhixin Sang | 2023-02-07 |