Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7912198 | System and method for implementing multimedia ring back tone service | Hui Zhang, Weirong Jin | 2011-03-22 |
| 7889856 | System and method for providing RBT in communication network | Bin Wang, Xiaoqing Hu, Xiaojun Mo, Jihong Dong, Qian Yu +13 more | 2011-02-15 |