Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404907 | Drum brake | Zhengfang Han, Wulin Han, Bo Wang, Xiangle Qiao, Yan Zhao +1 more | 2025-09-02 |
| 11725705 | Braking torque sensor of brake | Zhengfang Han, Wulin Han, Qingsheng Li, Zengmin Hou, Yonglei Zhao +1 more | 2023-08-15 |