Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7899043 | Route servicing device, method and system applying the device | Xianli Hu, Ning Cheng, Haipeng Li | 2011-03-01 |
| 7715839 | Method of controlling the roaming of terminal users in NGN network system | Guohua Ren, Chen Wang | 2010-05-11 |
| 7675850 | Apparatus for realizing soft-switch allopatric disaster recovery based on packet network | Chen Wang, Xianli Hu, Haipeng Li | 2010-03-09 |