Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11516593 | Multipole engine array system and loudspeaker | — | 2022-11-29 |
| 11356779 | Multi-engine array system and loudspeaker | — | 2022-06-07 |
| 11356781 | Speaker unit and speaker device | — | 2022-06-07 |
| 11254859 | Injection method for solid retarded acid | Shibin Wang, Peng Shi, Fuhu Chen, Zhi-Xuan WANG, Binwei Xu +3 more | 2022-02-22 |