Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312428 | Diaphragm for miniature sound generating device and miniature sound generating device | Bing Hui, Shuqiang Wang, Chun Li, Chunfa Liu | 2025-05-27 |
| 12256206 | Diaphragm for sound producing device, sound producing device, and method for assembling the same | Shuqiang Wang, Chun Li, Chunfa Liu | 2025-03-18 |
| 12200459 | Vibrating diaphragm of sound-producing apparatus and sound-producing apparatus | Shuqiang Wang, Chun Li, Chunfa Liu | 2025-01-14 |