Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11128950 | Speaker module | Xiaodong Cao | 2021-09-21 |
| 10785586 | Sound-absorbing material, sound-absorbing particle and speaker module manufacturing process, particle and module | Xiaodong Cao | 2020-09-22 |
| 10567869 | Sound-absorbing component and speaker module applying the sound-absorbing component | Xiaodong Cao | 2020-02-18 |
| 10349168 | Sound absorption component and loudspeaker module having sound absorption component | Xiaodong Cao | 2019-07-09 |