Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6341281 | Database system with methods for optimizing performance of correlated subqueries by reusing invariant results of operator tree | Steven A. Kirk, Randall Bello, Jun Rao, Katherine Tsouya Yang | 2002-01-22 |