Issued Patents 2011
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8054956 | Flexible recharge system for prepaid telecommunications service | — | 2011-11-08 |
| 8046381 | IMS network access using legacy devices | Simon Chen, Ivy Qingfang Meng, Bill Xiang Yu Qian, Alexander Aihao Yin, Elsie Shu Fang Zhang +1 more | 2011-10-25 |
| 8023926 | Offline charging for sessions over a 3GPP network and a WLAN access network | Shiyan Hua | 2011-09-20 |
| 7991131 | Control of prepaid balance status notification | William Dale Bartter, Werner Ulrich | 2011-08-02 |
| 7962120 | Allocation of internet protocol (IP) multimedia subsystem (IMS) charges | Shiyan Hua | 2011-06-14 |
| 7945241 | Charging for roaming users in IMS networks | Shiyan Hua | 2011-05-17 |
| 7940904 | Converged offline charging and online charging | Xiang Li, Peng Wang, Jay Z. Zhao | 2011-05-10 |
| 7912908 | Electronic message forwarding control | Alok Sharma | 2011-03-22 |
| 7894859 | Privacy protection in network-based phonebooks | Shiyan Hua | 2011-02-22 |
| 7885661 | Systems and methods for mobile virtual network operator mobile to mobile service | — | 2011-02-08 |
| 7877487 | Dynamic service triggers in communication networks | Shufang Zhang | 2011-01-25 |