Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10349165 | Loudspeaker module | — | 2019-07-09 |
| 10349168 | Sound absorption component and loudspeaker module having sound absorption component | Jinli Liu | 2019-07-09 |
| 10197438 | Device and method for testing impedance characteristic and expansion performance of sound absorption material | Dong Qiu | 2019-02-05 |