Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12355822 | Method and system for routing IP based messaging, voice and video calling based on the network parameters the device is connected to and the location | Mathew Oommen, Pallavur A. Sankaranaraynan, Chao Kan | 2025-07-08 |
| 11785055 | Extending communication services to a consumption device using a proxy device | Pallavur A. Sankaranaraynan, Jayabharath R. Goluguri, Mathew Oommen | 2023-10-10 |
| 11743779 | Co-existence mechanism for downloadable voice application client | Mathew Oommen, Pallavur A. Sankaranaraynan, Chao Kan | 2023-08-29 |
| 11431760 | Method and system for routing IP based messaging, voice and video calling based on the network parameters the device is connected to and the location | Mathew Oommen, Pallavur A. Sankaranaraynan, Chao Kan | 2022-08-30 |
| 10855729 | Extending communication services to a consumption device using a proxy device | Pallavur A. Sankaranaraynan, Jayabharath R. Goluguri, Matthew Oommen | 2020-12-01 |
| 10819754 | Method and system for routing IP based messaging, voice and video calling based on the network parameters the device is connected to and the location | Mathew Oommen, Pallavur A. Sankaranaraynan, Chao Kan | 2020-10-27 |
| 10531358 | Method and system for routing IP based messaging, voice and video calling based on the network parameters the device is connected to and the location | Matthew Oommen, Pallavur A. Sankaranaraynan, Chao Kan | 2020-01-07 |
| 10212627 | Co-existence mechanism for downloadable voice application client | Matthew Oommen, Pallavur A. Sankaranaraynan, Chao Kan | 2019-02-19 |
| 10004021 | System and method for providing services to a user equipment in an inter-national location | Anil Pawar, Sagar Mishra, Pallavur A. Sankaranaraynan | 2018-06-19 |
| 9888044 | Extending communication services to a consumption device using a proxy device | Pallavur A. Sankaranaraynan, Jayabharath R. Goluguri, Matthew Oommen | 2018-02-06 |
| 9509356 | Mobile unit having internet protocol functionality | — | 2016-11-29 |
| 9264086 | Mobile unit having internet protocol functionality | — | 2016-02-16 |
| 8909232 | Mobile unit having internet protocol functionality | — | 2014-12-09 |
| 8364198 | Mobile unit having internet protocol functionality | — | 2013-01-29 |
| 7640038 | Mobile unit having internet protocol functionality | — | 2009-12-29 |
| 7386009 | Method and apparatus for transmission of internet control message protocol messages as short message service (SMS) messages in a communications network comprised of mobile stations | Prabhakar R. Chitrapu | 2008-06-10 |
| 7239874 | Wireless communication method and system with controlled WTRU peer-to-peer communications | Prabhakar R. Chitrapu, Leonid Kazakevich, Teresa Hunkeler, Arty Chandra | 2007-07-03 |
| 7231220 | Location based method and system for wireless mobile unit communication | Prabhakar R. Chitrapu, Leonid Kazakevich, Teresa Hunkeler, Arty Chandra | 2007-06-12 |
| 7089005 | Handover between a cellular system and a wireless local area network | — | 2006-08-08 |
| 7016673 | Wireless communication method and system with controlled WTRU peer-to-peer communications | Prabhakar R. Chitrapu, Leonid Kazakevich, Teresa Hunkeler, Arty Chandra | 2006-03-21 |