Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11837210 | Porous composite sound-absorbing material, method for preparing the same | Yuanwei Su, Changliang Wang | 2023-12-05 |
| 11570544 | Sound-absorbing material, preparation method thereof and speaker using same | — | 2023-01-31 |