Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11540044 | Speaker device | Chenliang Kong, Tong Zhang, Ronglin Linghu, Wei Song | 2022-12-27 |
| 11375315 | Sound generator | Ronglin Linghu | 2022-06-28 |
| 11245783 | Terminal device | Xiaodong Liu, Ronglin Linghu | 2022-02-08 |