Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7299188 | Method and apparatus for providing an interactive language tutor | Sunil Gupta, Prabhu Raghavan, Zulfiquar Sayeed, Aravind Sethuraman, Chetan Vinchhi | 2007-11-20 |
| 7219059 | Automatic pronunciation scoring for language learning | Sunil Gupta, Fengguang Zhao | 2007-05-15 |