Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8077717 | Method and system for providing multicast services | Xiangyang Wu, Jincheng Li | 2011-12-13 |
| 7974604 | Method of authentication in IP multimedia subsystem | Ying Wang, Chengdong He | 2011-07-05 |
| 7936990 | Method and node apparatus for traffic protection in optical transport network | Yanming Liu | 2011-05-03 |
| 7917637 | System, method and apparatus for establishing interactive media session based on IP Multimedia Subsystem | Jincheng Li, Xiangyang Wu | 2011-03-29 |