Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11488570 | Sound adsorbing material and speaker box | Kun Tang, Jiqiang Dai, Hezhi Wang | 2022-11-01 |
| 11356768 | Acoustic absorption material and speaker | Yanyan Jin | 2022-06-07 |
| 11140475 | Sound absorbing material, method for process same and speaker using same | Kun Tang, Jiqiang Dai, Hezhi Wang | 2021-10-05 |
| 11109149 | Sound absorbing material and speaker box using same | Hezhi Wang, Kun Tang, Guochuang Huang | 2021-08-31 |
| 11014820 | Molecular sieve, preparation thereof and acoustic absorption material and speaker containing the same | Kun Tang, Hezhi Wang, Guochuang Huang | 2021-05-25 |
| 10939195 | Sound absorbing material and speaker box using same | Jiqiang Dai, Hezhi Wang, Guochuang Huang, Kun Tang | 2021-03-02 |
| 10271130 | Sound absorbing material and manufacturing method thereof and speaker using sound absorbing material | — | 2019-04-23 |