Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7496561 | Method and system of ranking and clustering for document indexing and retrieval | Jason Tseng, Lei Wang | 2009-02-24 |
| 7027974 | Ontology-based parser for natural language processing | Justin Busch, Albert Deirchow Lin, Patrick John Graydon | 2006-04-11 |
| 6766316 | Method and system of ranking and clustering for document indexing and retrieval | Jason Tseng, Lei Wang | 2004-07-20 |
| 6675159 | Concept-based search and retrieval system | Albert Deirchow Lin, Patrick John Graydon, Justin Busch, Nancy Ann Chinchor, Jason Tseng +4 more | 2004-01-06 |