Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8892882 | Content transmission security protection device system and method | Xianhong Liu, Jinfeng Yang, Enyang Zhang, Guangqing Zheng, Yanyan Wang +1 more | 2014-11-18 |
| 8526607 | Identity authentication and shared key generation method | Xianhong Liu | 2013-09-03 |