Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7933584 | Method for implementing security update of mobile station and a correlative reacting system | Changfeng Ji, Jiwei Wei, Shuling Liu | 2011-04-26 |
| 7904954 | Method, device and security control system for controlling communication border security | Lifeng Liu | 2011-03-08 |