Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8064877 | Charging method and network system thereof, packet data network gateway and charging system thereof | Chun Li, Mingjun Shan, Xin Shi | 2011-11-22 |
| 8051186 | Method for device capability negotiation, method, system and device for synchronization | Linyi Tian, Xiangzhou Guo | 2011-11-01 |