Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11665774 | Multiple mode push-to-X group calls on long term evolution networks | Madhusudan Pai, Bibhudatta Biswal, Abhishek Jain, Ramu Kandula, Harisha M. Negalaguli +2 more | 2023-05-30 |
| 11197131 | System and method for variable length talk permit tone | Rohit Ashok Nerlikar, Brahmananda R. Vempati, Bidhudatta Biswal, Ramu Kandula, Harisha M. Negalaguli | 2021-12-07 |
| 11083042 | Multiple mode push-to-X group calls on long term evolution networks | Madhusudan Pai, Bibhudatta Biswal, Abhishek Jain, Ramu Kandula, Harisha M. Negalaguli +2 more | 2021-08-03 |
| 10091825 | Network-to-network interface gateway system for push-to-talk-over-cellular service | Krishnakant M. Patel, Ramu Kandula, Brahmananda R. Vempati, Harisha M. Negalaguli, Bibhudatta Biswal | 2018-10-02 |
| 9913300 | Push-to-talk-over-cellular (PoC) | Ravi Ayyasamy, Gorachand Kundu, Krishnakant M. Patel, Brahmananda R. Vempati, Harisha M. Negalaguli +8 more | 2018-03-06 |
| 8958348 | Hybrid push-to-talk for mobile phone networks | Krishnakant M. Patel, Ravi Ayyasamy, Gorachand Kundu, Anand Narayanan, Brahmananda R. Vempati +1 more | 2015-02-17 |
| 8498660 | Enhanced group calling features for connected portfolio services in a wireless communications network | Bruce D. Lawler, Krishnakant M. Patel, Ravi Ayyasamy, Harisha M. Negalaguli, Gorachand Kundu +5 more | 2013-07-30 |
| 7403775 | Roaming gateway for support of advanced voice services while roaming in wireless communications systems | Krishnakant M. Patel, Gorachand Kundu, Ravi Ayyasamy | 2008-07-22 |