Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9342697 | Scalable security policy architecture for data leakage prevention | Liwei Ren, Dehua Tan | 2016-05-17 |
| 9203623 | Apparatus and methods for keyword proximity matching | Dehua Tan, Liwei Ren | 2015-12-01 |
| 8266150 | Scalable document signature search engine | Liwei Ren, Dehua Tan | 2012-09-11 |
| 7860853 | Document matching engine using asymmetric signature generation | Liwei Ren, Shu Huang, Fei Huang | 2010-12-28 |