Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7640030 | SMPP message processing for SMS spam filtering | Yigang Cai, Sanjeev Singh, Randy Yang, Li Chun Zhang | 2009-12-29 |
| 7630727 | MAP message processing for SMS spam filtering | Yigang Cai, Sanjeev Singh, Randy Yang, Li Chun Zhang | 2009-12-08 |