Issued Patents 2022
Showing 1–2 of 2 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 |
Showing 1–2 of 2 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 |