Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9900355 | Method, terminal device, server and system for sharing information | Zhihao Zheng, Jia Ma, Huixing Wang, Yuhong Tian, Huabin Xu +10 more | 2018-02-20 |
| 7246801 | Self-tightening keyless chuck | Xianming Tian, Huijun Pei, Lihang Su | 2007-07-24 |