Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11197084 | Loudspeaker apparatus | Yongjian LI | 2021-12-07 |
| 11166094 | Loudspeaker device | Yongjian LI | 2021-11-02 |
| 11159877 | Speaker device | Yongjian LI, Yueqiang Wang, Zhuyang Jiang, Fen YOU | 2021-10-26 |
| D924130 | Headphone charging case | Haofeng ZHANG, Lei Zhong, Xin Yu | 2021-07-06 |