Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9525781 | Method, apparatus and system for aggregating charging information | Yigang Cai | 2016-12-20 |
| 9438746 | Centralized charging systems for offline charging and online charging | Yigang Cai | 2016-09-06 |
| 9432266 | QoS throttling for mobile devices | Yigang Cai | 2016-08-30 |
| 9424550 | Charging for operator-assisted sessions in IMS networks | Yigang Cai | 2016-08-23 |
| 9407512 | Method and apparatus for controlling terminal's access to a wireless network | — | 2016-08-02 |
| 9380168 | Front-end charging system that generates charging data per entity having a revenue share | Yigang Cai | 2016-06-28 |
| 9354797 | Progress adjustment method and electronic device | Zhen Jiao, Chao Zhang, Chao Dong | 2016-05-31 |
| 9240946 | Message restriction for diameter servers | Yigang Cai | 2016-01-19 |
| 9231772 | Method and apparatus for providing a user with charging-related voice service | Yigang Cai | 2016-01-05 |