Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6578082 | Distributed flow control system and method for GPRS networks based on leaky buckets | Yixin Zhu, Mark Hanson | 2003-06-10 |
| 6553227 | Distributed signaling message routing in a scalable wireless communication system | Nhut Nguyen, Hakan Ernam | 2003-04-22 |
| 6477375 | Method and system for reducing call setup processing cost by determining when to forward calls to detached subscribers | Hector Maturino | 2002-11-05 |
| 6466544 | GPRS MAC procedures to support real-time services | Sanjoy Sen, Tanuj Bagchi, Kalyan Basu, Indranil Bob Tapadar, Chiew-Leong Saw | 2002-10-15 |
| 6408181 | Method and system for reducing call setup by roaming number caching | Jim Xu | 2002-06-18 |
| 6314292 | Method and apparatus for enhanced call setup | Jim Xu | 2001-11-06 |
| 6224477 | Method for ordering subscriber records of wireless communication networks | Julie Y. C. Liu, Jim Xu | 2001-05-01 |
| 6091953 | Distributed signaling message routing in a scalable wireless communication system | Nhut Nguyen, Hakan Ernam | 2000-07-18 |
| 5943621 | Method and apparatus for tracking mobile stations in a wireless communications system | Jim Xu | 1999-08-24 |