Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7426202 | Routing method for mobile wireless nodes having overlapping internet protocol home addresses | Yingchun Xu | 2008-09-16 |
| 7426389 | Method and apparatus for implementing direct routing | Mankesh S. Ahluwalia | 2008-09-16 |
| 7403475 | Method and apparatus for allocating data packet pathways | Narothum Saxena, Yingchun Xu, Karl Freter, Claudio Taglienti | 2008-07-22 |
| 7324499 | Method and system for automatic call monitoring in a wireless network | Michael Borella, Peter F. Koss, Ronald J. Madsen, Thomas Foss Rooney | 2008-01-29 |
| 7218609 | Method and system of transferring session speed and state information between access and home networks | Michael Borella | 2007-05-15 |
| 7184530 | Prepaid billing support for simultaneous communication sessions in data networks | Chenwei Yan | 2007-02-27 |
| 7173905 | PDSN fast tunnel lookup | Arun C. Alex | 2007-02-06 |
| 7082130 | System and method for point-to-point protocol device redundancey | Michael Borella | 2006-07-25 |
| 7080151 | Method and system for mobile IP home agent redundancy by using home agent control nodes for managing multiple home agents | Michael Borella, Abhishek Sharma, Ravideep Bhatia, Arun C. Alex, Sudhir Kunnath | 2006-07-18 |
| 7062566 | System and method for using virtual local area network tags with a virtual private network | Satish Amara, Ching-Yi Kung | 2006-06-13 |
| 6978128 | System and method to allow simple IP mobile nodes to operate seamlessly in a mobile IP network with true roaming capabilities | Sundar Raman, Ningya Wang | 2005-12-20 |
| 6973309 | Method and system for re-direction and handoff for pre-paid mobile services in third generation networks | Charles Rygula, Michael Borella | 2005-12-06 |
| 6829473 | Roaming and hand-off support for prepaid billing for wireless data networks | Sundar Raman, Michael Borella | 2004-12-07 |
| 6795705 | Hot standby protocol for wireless devices | Yingchun Xu, Narothum Saxena | 2004-09-21 |
| 6707809 | Method for forwarding data to idle mobile nodes, and home agent control node for use in the method | Yingchun Xu, Dale Eliason | 2004-03-16 |
| 6684256 | Routing method for mobile wireless nodes having overlapping internet protocol home addresses | Yingchun Xu | 2004-01-27 |