Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10182318 | Integration of enterprise voicemail in mobile systems | Saurav Chatterjee, John Drewry, Josh Perfetto, Hermendra Rana | 2019-01-15 |
| 9319515 | Call notification with rich caller identification | Saurav Chatterjee, Josh Perfetto, Hemendra Rana, Ankur Shah | 2016-04-19 |
| 8942368 | Call notification with rich caller identification | Saurav Chatterjee, Josh Perfetto, Hemendra Rana, Ankur Shah | 2015-01-27 |
| 8925045 | Electronic rendezvous-based two stage access control for private networks | — | 2014-12-30 |
| 8767931 | Provisioning in communications systems | Josh Perfetto, Saurav Chatterjee, Lorraine Ling, Hemendra Rana, Mike White | 2014-07-01 |
| 8638910 | Integration of enterprise voicemail in mobile systems | Saurav Chatterjee, John Drewry, Josh Perfetto, Hemendra Rana | 2014-01-28 |
| 8503658 | Call notification with rich caller identification | Saurav Chatterjee, Josh Perfetto, Hemendra Rana, Ankur Shah | 2013-08-06 |
| 8325906 | Class-based call request routing | Tom Lichtenberg, Michael Rothrock, Steven Schramm, Ankur Shah | 2012-12-04 |
| 7889849 | Mobile device conference calls via private branch exchange | Saurav Chatterjee, Josh Perfetto, Hemendra Rana, Steven Schramm | 2011-02-15 |
| 7876888 | Mobile device calls via private branch exchange | Saurav Chatterjee, Josh Perfetto, Hemendra Rana | 2011-01-25 |
| 7822189 | Searching multiple directories and generating a sorted integrated directory | Hemendra Rana, Saurav Chatterjee, Steven Schramm | 2010-10-26 |
| 7787607 | Mobile device calls via private branch exchange | Saurav Chatterjee, Josh Perfetto, Hemendra Rana | 2010-08-31 |
| 7783310 | Melting information on a client device | Hemendra Rana, Saurav Chatterjee, Josh Perfetto, Steven Schramm, Ankur Shah | 2010-08-24 |
| 7742584 | Mobile device calls via private branch exchange | Saurav Chatterjee, Josh Perfetto, Hemendra Rana | 2010-06-22 |
| 7688953 | Rate control in communications systems | Saurav Chatterjee, Hemendra Rana, Steven Schramm | 2010-03-30 |