Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7822416 | Methods and systems for allowing global roaming between devices supported by different protocols | Triantafyllos Alexiou, Kuo-Wei Chen, Ramana Isukapalli, Kazutaka Murakami, Ming Xiong | 2010-10-26 |
| 7554967 | Transient tunneling for dynamic home addressing on mobile hosts | Kannan Varadhan, Ramachandran Ramjee, Luca Salgarelli, Sandra R. Thuel | 2009-06-30 |
| 7522632 | Multiple-protocol home location register and method of use | Kazutaka Murakami, Krishan K. Sabnani, Robert Shaw Sellinger | 2009-04-21 |
| 7239618 | Single phase local mobility scheme for wireless access to packet-based networks | Kazutaka Murakami, Ramachandran Ramjee, Sandra R. Thuel, Kannan Varadhan | 2007-07-03 |
| 7120453 | Paging of mobile hosts on an internet protocol network | Li Li, Ramachandran Ramjee | 2006-10-10 |
| 6842462 | Wireless access of packet based networks | Ramachandran Ramjee, Kannan Varadhan, Luca Salgarelli, Mark Haner, Arun N. Netravali +1 more | 2005-01-11 |
| 6763007 | Two phase local mobility scheme for wireless access to packet based networks | Kazutaka Murakami, Ramachandran Ramjee, Sandra R. Thuel, Kannan Varadhan | 2004-07-13 |
| 6654359 | Wireless access to packet-based networks | Kazutaka Murakami, Ramachandran Ramjee, Sandra R. Thuel, Kannan Varadhan | 2003-11-25 |
| 6516000 | Communications system for transmission of datagram packets over connection-oriented networks | Madhukar M. Kshirsagar, David Hilton Shur, Malathi Veeraraghavan, Clark Woodworth | 2003-02-04 |
| 6496505 | Packet tunneling optimization to wireless devices accessing packet-based wired networks | Ramachandran Ramjee, Kannan Varadhan | 2002-12-17 |
| 6483853 | Communications system for transmission of datagram packets over connection-oriented networks | Madhukar M. Kshirsagar, David Hilton Shur, Malathi Veeraraghavan, Clark Woodworth | 2002-11-19 |
| 6434134 | Dynamic address assignment for wireless devices accessing packet-based wired networks | Ramachandran Ramjee | 2002-08-13 |
| 6298039 | High availability distributed call processing method and apparatus | Richard W. Buskens, Yow-Jian Lin, Kazutaka Murakami, Ramachandran Ramjee | 2001-10-02 |
| 6215782 | Method for reconnecting calls in a wireless telecommunications system | Richard W. Buskens, Arun N. Netravali, Krishan K. Sabnani | 2001-04-10 |
| 6192250 | Cluster mobile switching center | Richard W. Buskens, Michael Patrick Deitz, Yow-Jian Lin, Kazutaka Murakami, Ramachandran Ramjee | 2001-02-20 |
| 6085086 | Network-based migrating user agent for personal communication services | Ramachandran Ramjee, Malathi Veeraraghavan | 2000-07-04 |
| 6081715 | Method and system for distributed control in wireless cellular and personal communication systems | Ramachandran Ramjee, Malathi Veeraraghavan | 2000-06-27 |
| 6041103 | Interactive call identification | Arun N. Netravali | 2000-03-21 |
| 6016319 | Communications system for transmission of datagram packets over connection-oriented networks | Madhukar M. Kshirsagar, David Hilton Shur, Malathi Veeraraghavan, Clark Woodworth | 2000-01-18 |
| 5953331 | Wireless packet system for efficient wide area bandwidth utilization | Thomas Duncan, Richard D. Gitlin, Kazutaka Murakami, Krishan K. Sabnani, Anil S. Sawkar +1 more | 1999-09-14 |
| 5943334 | Method of using an intelligent mobile terminal for reconnecting calls in a wireless telecommunications system | Richard W. Buskens, Arun N. Netravali, Krishan K. Sabnani | 1999-08-24 |
| 5943408 | Flexible direct signaling system | Kuo-Wei Chen | 1999-08-24 |
| 5659544 | Method and system for distributed control in wireless cellular and personal communication systems | Ramachandran Ramjee, Malathi Veeraraghavan | 1997-08-19 |
| 5600663 | Adaptive forward error correction system | Ender Ayanoglu, Richard D. Gitlin, Sanjoy Paul, Krishan K. Sabnani | 1997-02-04 |
| 5570367 | Asymmetric protocol for wireless communications | Ender Ayanoglu, Richard D. Gitlin, Sanjoy Paul, Krishan K. Sabnani | 1996-10-29 |