Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8781098 | System and method for prompt modification based on caller hang ups in IVRs | Steven H. Lewis, Gregory Pulz, Lan Zhang | 2014-07-15 |
| 8725511 | Enhanced accuracy for speech recognition grammars | Steven H. Lewis, Shankarnarayan Sivaprasad, Lan Zhang | 2014-05-13 |
| 8689308 | Portable authentication device | Lan Zhang, Steven H. Lewis, Gregory Pulz | 2014-04-01 |
| 8635068 | System and method for recognizing speech with dialect grammars | Gregory Pulz, Steven H. Lewis, Lan Zhang | 2014-01-21 |
| 8554554 | Automated demographic analysis by analyzing voice activity | Michael Johnston, Hisao Chang, Bernard S. Renger, Linda Roberts | 2013-10-08 |
| 8532279 | Method for increasing the efficiency of automated telephony systems | Steven H. Lewis, Gregory Pulz, Lan Zhang | 2013-09-10 |
| 8528040 | Aural indication of remote control commands | Aaron Bangor, Jeffrey Brandt | 2013-09-03 |
| 8488771 | System and method for prompt modification based on caller hang ups in IVRS | Steven H. Lewis, Gregory Pulz, Lan Zhang | 2013-07-16 |
| 8478593 | Enhanced accuracy for speech recognition grammars | Steven H. Lewis, Shankarnarayan Sivaprasad, Lan Zhang | 2013-07-02 |
| 8457973 | Menu hierarchy skipping dialog for directed dialog speech recognition | — | 2013-06-04 |
| 8301444 | Automated demographic analysis by analyzing voice activity | Michael Johnston, Hisao Chang, Bernard S. Renger, Linda Roberts | 2012-10-30 |
| 8229746 | Enhanced accuracy for speech recognition grammars | Steven H. Lewis, Shankarnarayan Sivaprasad, Lan Zhang | 2012-07-24 |
| 8204205 | Method for increasing the efficiency of automated telephony systems | Steven H. Lewis, Gregory Pulz, Lan Zhang | 2012-06-19 |
| 8150020 | System and method for prompt modification based on caller hang ups in IVRs | Steven H. Lewis, Gregory Pulz, Lan Zhang | 2012-04-03 |
| 8023627 | Method and apparatus for retrieving information from appliances | Steven H. Lewis, Gregory Pulz, Lan Zhang | 2011-09-20 |
| 8024179 | System and method for improving interaction with a user through a dynamically alterable spoken dialog system | Gregory Pulz, Steven H. Lewis, Lan Zhang | 2011-09-20 |
| 7890328 | Enhanced accuracy for speech recognition grammars | Steven H. Lewis, Shankarnarayan Sivaprasad, Lan Zhang | 2011-02-15 |
| 6415164 | Arrangement for dynamic allocation of space on a small display of a telephone terminal | Kathleen J. Chylinski, David Raymond Dempski, Steven M. Herbst, Nicholas H. Katis, Susan A. Palermo +1 more | 2002-07-02 |
| 6408191 | Arrangement for displaying message screens on a telephone terminal | Kathleen J. Chylinski, David Raymond Dempski, Steven M. Herbst, Nicholas H. Katis, Susan A. Palermo +1 more | 2002-06-18 |