Issued Patents 2024
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |