Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8793751 | Measurement of video quality at customer premises | — | 2014-07-29 |
| 8424049 | Measurement of video quality at customer premises | — | 2013-04-16 |
| 8351421 | System and method for voice over internet protocol (VoIP) and facsimile over internet protocol (FoIP) calling over the internet | Ajay Joseph, Hwan Jang Tang, Lizhong Zhang | 2013-01-08 |
| 8248957 | System and method for voice over internet protocol (VoIP) and facsimile over internet protocol (FoIP) calling over the internet | Ajay Joseph, Hwan Jang Tang, Lizhong Zhang | 2012-08-21 |
| 7577131 | System and method for voice over internet protocol (VoIP) and facsimile over internet protocol (FoIP) calling over the internet | Ajay Joseph, Hwan Jang Tang, Lizhong Zhang | 2009-08-18 |
| 7529225 | System and method for voice over internet protocol (VoIP) and facsimile over internet protocol (FoIP) calling over the internet | Ajay Joseph, Hwan Jang Tang, Lizhong Zhang | 2009-05-05 |
| 7391731 | Method for determining best path | Ajay Joseph | 2008-06-24 |
| 6661810 | Clock skew estimation and removal | Sue Bok Moon, Don Towsley | 2003-12-09 |