Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11310603 | Sound producing unit, sound producing module, and electronic terminal | Chengfei Zhang, Chunfa Liu | 2022-04-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11310603 | Sound producing unit, sound producing module, and electronic terminal | Chengfei Zhang, Chunfa Liu | 2022-04-19 |