Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7957754 | Method and system for authenticating short message calling party | Youjun Chen, Guofan Tong, Weihua Ding | 2011-06-07 |
| 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 |