Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11197086 | Speaker device | Lei Zhang, Yongjian LI, Jinbo ZHENG, Zhuyang Jiang | 2021-12-07 |
| 11109142 | Loudspeaker device | Lei Zhang, Yongjian LI, Jinbo ZHENG, Zhuyang Jiang | 2021-08-31 |