Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11008026 | Motor train unit feces collecting system and operating method thereof | Daokun Zhang, Kai Li, Xinyu Liu, Tengcheng Ling, Dan Liu +1 more | 2021-05-18 |
| 6753010 | Soft gelatin capsule containing angelica oil | Ke Liu, Guisheng Li, Chengjun Ma, Xiangyu Li | 2004-06-22 |