Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6947934 | Aggregate predicates and search in a database management system | Weidong Chen, You-Chin Fuh, Apostol Natsev | 2005-09-20 |
| 5963936 | Query processing system that computes GROUPING SETS, ROLLUP, and CUBE with a reduced number of GROUP BYs in a query graph model | Roberta Jo Cochrane, George Lapis, Mir Hamid Pirahesh | 1999-10-05 |
| 5822750 | Optimization of correlated SQL queries in a relational database management system | Ting Yu Leung, Mir Hamid Pirahesh | 1998-10-13 |
| 5590324 | Optimization of SQL queries using universal quantifiers, set intersection, and max/min aggregation in the presence of nullable columns | Ting Yu Leung, Mir Hamid Pirahesh, David E. Simmen | 1996-12-31 |