Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8069365 | Method and device for realizing IP multimedia subsystem disaster tolerance | Feng Liang, Linfei Shen, Shufeng Shi, Kai Wen | 2011-11-29 |
| 8027666 | Method and system for authenticating terminal subscriber identity module in IP multimedia domain | Hong Xie, Jincheng Wang, Dongming Zhu | 2011-09-27 |