Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810397 | Collecting event data and describing events | Richard Qian | 2004-10-26 |
| 6678635 | Method and system for detecting semantic events | Vasanth R. Tovinkere, Richard Qian | 2004-01-13 |