Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344795 | Biological and chemical composite blockage removing agent and preparation process and use thereof | Yingcheng Li, Weidong Zhang, Ou Sha, Xinning Bao, Jun Jin +1 more | 2025-07-01 |
| D950252 | Brush head | Yu Wang, Taifan Meng | 2022-05-03 |
| 11259365 | Method and system for multiple wireless connection optimization | Daling Yuan | 2022-02-22 |
| 7616739 | Method for forwarding multimedia messages between different multimedia messaging service centers | Fei Tang, Xiaobin Li, Minghai Liu, Bo Zhang, Weishu Yang | 2009-11-10 |