Issued Patents All Time
Showing 151–175 of 175 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801771 | System and method of mobility management in a mobile communications network having a proxy switch | Shamim A. Naqvi, Kumar K. Vishwanathan, Rangamani Sundar | 2004-10-05 |
| 6751669 | Multimedia multiparty communication system and method | Sudhir R. Ahuja, James Robert Ensor | 2004-06-15 |
| 6748247 | System and method of handling dormancy in wireless networks | Kajamalai G. Ramakrishnan, Shamim A. Naqvi, Michael Arthur Champa | 2004-06-08 |
| 6732145 | Collaborative browsing of the internet | Andreas Constantine Papanicolaou, Kumar K. Vishwanathan | 2004-05-04 |
| 6714777 | System and method of managing supplementary features in the presence of a proxy switch in a mobile communications network | Shamim A. Naqvi, Kumar K. Vishwanathan, Rangamani Sundar | 2004-03-30 |
| 6687363 | Method of designing signaling networks for internet telephony | Krishnan Kumaran, Kajamalai G. Ramakrishnan, Aravind Srinivasan | 2004-02-03 |
| 6650909 | System and method of preserving point codes in a mobile network having a proxy switch | Shamim A. Naqvi, Kumar K. Vishwanathan, Rangamani Sundar | 2003-11-18 |
| 6633767 | System and method of managing interconnections in mobile communications | Kumar K. Vishwanathan, Shamim A. Naqvi, Todd Snide | 2003-10-14 |
| 6625420 | System and method of fault management in a mobile communications network having a proxy switch | Shamim A. Naqvi, Kumar K. Vishwanathan, Rangamani Sundar | 2003-09-23 |
| 6625449 | System and method of siphoning messages from a mobile network to an alternative network | Shamim A. Naqvi, Kumar K. Vishwanathan, Rangamani Sundar | 2003-09-23 |
| 6611858 | Garbage collection method for time-constrained distributed applications | Prakash R. Iyer | 2003-08-26 |
| 6584076 | Telecommunications conferencing method and apparatus | Prakash R. Iyer | 2003-06-24 |
| 6584186 | Protecting communications network integrity | Shamim A. Naqvi | 2003-06-24 |
| 6567398 | Distributed call system | Prakash R. Iyer | 2003-05-20 |
| 6545992 | System and method of selecting GGSN in a mobile communications network | Shamim A. Naqvi, Rangamani Sundar, Kumar K. Vishwanathan | 2003-04-08 |
| 6502109 | Distributed communications system having garbage collecting virtual processes | Prakash R. Iyer | 2002-12-31 |
| 6396830 | Implementing network services over the internet through dynamic resolution of personal host names | Venkatesh Krishnaswamy | 2002-05-28 |
| 6392760 | Multimedia communications network | Sudhir R. Ahuja, James Robert Ensor | 2002-05-21 |
| 6301609 | Assignable associate priorities for user-definable instant messaging buddy groups | Robert F. Henrick, Rangamani Sundar, Gregory James Xikes | 2001-10-09 |
| 6222837 | Internet service via | Sudhir R. Ahuja | 2001-04-24 |
| 6175575 | Internet service via | Sudhir R. Ahuja | 2001-01-16 |
| 6154749 | Distributed caching scheme for database systems | Antonio DeSimone, Hosagrahar Visvesvaraya Jagadish | 2000-11-28 |
| 6006272 | Method for network address translation | Hong-Yi Tzeng | 1999-12-21 |
| 5689553 | Multimedia telecommunications network and service | Sudhir R. Ahuja, James Robert Ensor, Ashok K. Kuthyar, Ram S. Ramamurthy, Peter H. Stuntebeck +1 more | 1997-11-18 |
| 5471318 | Multimedia communications network | Sudhir R. Ahuja, James Robert Ensor | 1995-11-28 |