Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8244859 | Method for implementing an internet protocol (IP) charging and rating middleware platform and gateway system | Karthik Ramakrishnan, Rubens Rahim | 2012-08-14 |
| 7644158 | Method for implementing an internet protocol (IP) charging and rating middleware platform and gateway system | Karthik Ramakrishnan, Rubens Rahim | 2010-01-05 |
| 7457865 | Method for implementing an internet protocol (IP) charging and rating middleware platform and gateway system | Karthik Ramakrishnan, Rubens Rahim | 2008-11-25 |