Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8824657 | Providing ring back tones in a communication network | Xuanming Lu, Xiaodong Zhao | 2014-09-02 |
| 8060087 | CDMA intelligent network system and its method, device for realizing international roaming service | Xuanming Lu, Junrong Xu, Jianjun Ding, Haifeng Xu, Taiyong Dun | 2011-11-15 |
| 7889856 | System and method for providing RBT in communication network | Bin Wang, Yihua Cheng, Xiaoqing Hu, Xiaojun Mo, Jihong Dong +13 more | 2011-02-15 |