Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11881957 | Method for delivering dynamic policy rules to an end user, according on his/her account balance and service subscription level, in a telecommunication network | Thomas Levy, Yigang Cai | 2024-01-23 |
| 11088859 | Method for delivering dynamic policy rules to an end user, according on his/her account balance and service subscription level, in a telecommunication network | Thomas Levy, Yigang Cai | 2021-08-10 |
| 8831560 | Charging method selection for service data flows based on the data services being requested | Yigang Cai | 2014-09-09 |