Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420849 | Heavy-haul train and longitudinal dynamics traction operation optimization control system and method thereof | Wei Li, Songxu Wang, Yongsheng Yu, Wenlu ZHANG, Jianhua Wu +1 more | 2025-09-23 |
| D990276 | Knife sharpener | — | 2023-06-27 |
| D989592 | Knife sharpener | — | 2023-06-20 |
| 11093598 | Identity authentication method and apparatus | — | 2021-08-17 |
| 10785165 | Method for controlling service data flow and network device | Haibin Chen | 2020-09-22 |