Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8320568 | Method, apparatus and system for key derivation | Jing Chen, Aiqin Zhang, Xiaohan Liu | 2012-11-27 |
| 8300827 | Method and apparatus for updating key in an active state | Yanmei Yang | 2012-10-30 |
| 8279837 | Communication system, network handover processing method and apparatus | Yong Qiu, Ying Huang, Hongzhuo Zhang | 2012-10-02 |
| 8185111 | Method, terminal, and system for cell reselection | Michael Roberts, Johan Johansson, Boyun Xie | 2012-05-22 |
| 8144877 | Method and apparatus for updating a key in an active state | Yanmei Yang | 2012-03-27 |
| 8041355 | Method, terminal, and system for cell reselection | Michael Roberts, Johan Johansson, Boyun Xie | 2011-10-18 |
| 8023658 | Method and apparatus for updating a key in an active state | Yanmei Yang | 2011-09-20 |
| 8019083 | Method, apparatus and system for key derivation | Jing Chen, Aiqin Zhang, Xiaohan Liu | 2011-09-13 |
| 7936880 | Method, apparatus and system for key derivation | Jing Chen, Aiqin Zhang, Xiaohan Liu | 2011-05-03 |