Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12233921 | Rail train | Liqing Ding, Li Xiong, Guoyan Gao, Huanying Jia, Shuai Yang +6 more | 2025-02-25 |
| 11279383 | Sleeping car compartment and sleeping car | Xiayan Li, Lei Zhang, Guoyan Gao, Baolin Yu, Chenhui Liu | 2022-03-22 |