Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12219317 | Loudspeaker apparatus | Chaowu LI, Fen YOU | 2025-02-04 |
| 12185054 | Loudspeaker device | Lei Zhang, Yongjian LI, Wenbing ZHOU, Jinbo ZHENG | 2024-12-31 |
| 12137317 | Loudspeaker device | Lei Zhang, Yongjian LI, Wenbing ZHOU, Jinbo ZHENG | 2024-11-05 |
| 12101595 | Loudspeaker device | Lei Zhang, Yongjian LI, Wenbing ZHOU, Jinbo ZHENG | 2024-09-24 |
| 12047730 | Loudspeaker apparatus | Lei Zhang, Yongjian LI, Wenbing ZHOU, Jinbo ZHENG | 2024-07-23 |
| 11891563 | pH-sensitive temporary plugging agent, preparation method thereof, and use thereof in exploitation of low-permeability oil reservoir | Huan Yang, Xiaorong Yu, Gaoshen Su, Kailu Wang, Beibei Zhang +2 more | 2024-02-06 |
| 11877116 | Speaker device | Lei Zhang, Yongjian LI, Wenbing ZHOU, Jinbo ZHENG | 2024-01-16 |
| 11825259 | Speaker device | Lei Zhang, Yongjian LI, Wenbing ZHOU, Jinbo ZHENG, Xin QI +1 more | 2023-11-21 |
| 11800275 | Loudspeaker apparatus | Lei Zhang, Yongjian LI, Wenbing ZHOU, Jinbo ZHENG | 2023-10-24 |
| 11736852 | Loudspeaker apparatus | Chaowu LI, Fen YOU | 2023-08-22 |
| 11716561 | Speaker device | Chaowu LI, Fen YOU | 2023-08-01 |
| 11678102 | Speaker device | Chaowu LI, Yongjian LI, Yueqiang Wang, Fen YOU | 2023-06-13 |
| 11671740 | Loudspeaker apparatus | Chaowu LI, Fen YOU | 2023-06-06 |
| 11659318 | Loudspeaker device | Lei Zhang, Yongjian LI, Wenbing ZHOU, Jinbo ZHENG | 2023-05-23 |
| 11653136 | Speaker device | Chaowu LI, Fen YOU | 2023-05-16 |
| 11641538 | Speaker device | Lei Zhang, Yongjian LI, Wenbing ZHOU, Jinbo ZHENG, Xin QI +1 more | 2023-05-02 |
| 11463814 | Bone conduction speaker and compound vibration device thereof | Xin QI, Fengyun LIAO, Jinbo ZHENG, Qian Chen, Hao Chen +3 more | 2022-10-04 |
| 11438689 | Loudspeaker apparatus | Lei Zhang, Yongjian LI, Wenbing ZHOU, Jinbo ZHENG | 2022-09-06 |
| 11363362 | Speaker device | Lei Zhang, Yongjian LI, Wenbing ZHOU, Jinbo ZHENG, Xin QI +1 more | 2022-06-14 |
| 11336988 | Loudspeaker apparatus | Chaowu LI, Fen YOU | 2022-05-17 |
| 11303987 | Loudspeaker apparatus | Chaowu LI, Fen YOU | 2022-04-12 |
| 11197086 | Speaker device | Lei Zhang, Yongjian LI, Wenbing ZHOU, Jinbo ZHENG | 2021-12-07 |
| 11159877 | Speaker device | Chaowu LI, Yongjian LI, Yueqiang Wang, Fen YOU | 2021-10-26 |
| 11109142 | Loudspeaker device | Lei Zhang, Yongjian LI, Wenbing ZHOU, Jinbo ZHENG | 2021-08-31 |