Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11200227 | Lossless switching between search grammars | Aditya Viswanathan, Ravi Tandon | 2021-12-14 |
| 11157564 | Natural language question answering systems | Amit Prakash, Ravi Tandon, Pavan Ram Piratla, Ashish Shubham, Alonzo Canada +5 more | 2021-10-26 |
| 10970319 | Phrase indexing | Archit Bansal, Ben Limonchik, Rakesh Kothari | 2021-04-06 |