Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8156083 | Database system that provides for history-enabled tables | Jayanta Banerjee, Robert Hanckel | 2012-04-10 |
| 8145641 | Managing feature data based on spatial collections | Raja Chatterjee | 2012-03-27 |
| 7970742 | Techniques for implementing indexes on columns in database tables whose values specify periods of time | Robert Hanckel, Jayanta Banerjee | 2011-06-28 |
| 7877405 | Pruning of spatial queries using index root MBRS on partitioned indexes | Ravikanth V. Kothuri | 2011-01-25 |
| 7774381 | Triangulated irregular network | Ravi Kothuri, Edward Fisher | 2010-08-10 |
| 7747591 | Web feature service (WFS) locking support based on light-weight locking model in the database | Raja Chatterjee | 2010-06-29 |
| 7640242 | Light weight locking model in the database for supporting long duration transactions | Raja Chatterjee | 2009-12-29 |
| 7580927 | Quadtree center tile/boundary tile optimization | Daniel Abugov, Daniel Geringer | 2009-08-25 |
| 7490084 | Deferred incorporation of updates for spatial indexes | Ravikanth V. Kothuri, Ning An | 2009-02-10 |
| 7454428 | Network data model for relational database management system | Cheng Wang | 2008-11-18 |
| 7379936 | Pruning of spatial queries on geodetic data when query window has holes | Ravikanth V. Kothuri, Daniel Geringer, Daniel Abugov | 2008-05-27 |
| 7219108 | Query prunning using exterior tiles in an R-tree index | Ravi Kothuri, Daniel Geringer, Daniel Abugov | 2007-05-15 |
| 7177882 | Georaster physical data model for storing georeferenced raster data | Qingyun Xie, Weisheng Xu | 2007-02-13 |
| 7080065 | Query pruning using interior rectangles in an R-tree index | Ravi Kothuri, Daniel Geringer | 2006-07-18 |
| 6879980 | Nearest neighbor query processing in a linear quadtree spatial index | Ravi Kothuri, Jayant Sharma | 2005-04-12 |
| 6505205 | Relational database system for storing nodes of a hierarchical index of multi-dimensional data in a first module and metadata regarding the index in a second module | Ravi Kothuri, Jayant Sharma, Jayanta Banerjee | 2003-01-07 |
| 6470344 | Buffering a hierarchical index of multi-dimensional data | Ravi Kothuri, Jayant Sharma, Jayanta Banerjee, Ambuj K. Singh | 2002-10-22 |
| 6381605 | Heirarchical indexing of multi-attribute data by sorting, dividing and storing subsets | Ravi Kothuri, Jayant Sharma, Jayanta Banerjee | 2002-04-30 |