Inventor · disambiguated record
Shasank K. Chavan
Also filed as: CHAVAN SHASANK · CHAVAN SHASANK K · CHAVAN SHASANK KISAN
67 granted patents·11 pending applications·370 citations·filing 2004–2025
98Inventor score
Top patents by PatentIndex Score
78 records- 0197US9292564B2Mirroring, in memory, data from disk to improve query performanceORACLE INT CORP·Filed 2014·Granted Mar 22, 2016·47 cites·39 claims
- 0296US10372706B2Tracking and maintaining expression statistics across database queriesORACLE INT CORP·Filed 2016·Granted Aug 6, 2019·78 cites·20 claims
- 0396US8572131B2Techniques for more efficient usage of memory-to-CPU bandwidthORACLE INT CORP·Filed 2012·Granted Oct 29, 2013·32 cites·30 claims
- 0496US8521788B2Techniques for maintaining column vectors of relational data within volatile memoryORACLE INT CORP·Filed 2012·Granted Aug 27, 2013·36 cites·24 claims
- 0592US10678791B2Using shared dictionaries on join columns to improve performance of joins in relational databasesORACLE INT CORP·Filed 2017·Granted Jun 9, 2020·12 cites·28 claims
- 0692US10366083B2Materializing internal computations in-memory to improve query performanceORACLE INT CORP·Filed 2016·Granted Jul 30, 2019·9 cites·18 claims
- 0792US8204873B2System and method for query expression optimizationCHAVAN SHASANK K·Filed 2009·Granted Jun 19, 2012·55 cites·15 claims
- 0889US11500868B2Efficient identification of vertices and edges for graph indexes in an RDBMSORACLE INT CORP·Filed 2021·Granted Nov 15, 2022·3 cites·22 claims
- 0989US11093459B2Parallel and efficient technique for building and maintaining a main memory, CSR-based graph index in an RDBMSORACLE INT CORP·Filed 2020·Granted Aug 17, 2021·3 cites·20 claims
- 1089US9965501B2Techniques for maintaining column vectors of relational data within volatile memoryORACLE INT CORP·Filed 2015·Granted May 8, 2018·5 cites·20 claims
- 1188US11238039B2Materializing internal computations in-memory to improve query performanceORACLE INT CORP·Filed 2019·Granted Feb 1, 2022·4 cites·20 claims
- 1286US10467243B2Efficient in-memory DB query processing over any semi-structured data formatsORACLE INT CORP·Filed 2016·Granted Nov 5, 2019·6 cites·36 claims
- 1385US11921722B2Cache conscious techniques for generation of quasi-dense grouping codes of compressed columnar data in relational database systemsORACLE INT CORP·Filed 2023·Granted Mar 5, 2024·1 cites·20 claims
- 1485US10204135B2Materializing expressions within in-memory virtual column units to accelerate analytic queriesORACLE INT CORP·Filed 2016·Granted Feb 12, 2019·5 cites·17 claims
- 1583US11675761B2Performing in-memory columnar analytic queries on externally resident dataORACLE INT CORP·Filed 2018·Granted Jun 13, 2023·3 cites·37 claims
- 1683US11379410B2Automated information lifecycle management of indexesORACLE INT CORP·Filed 2020·Granted Jul 5, 2022·2 cites·26 claims
- 1782US10678788B2Columnar caching in tiered storageORACLE INT CORP·Filed 2016·Granted Jun 9, 2020·4 cites·34 claims
- 1881US7607123B2Systems and methods for validating debug information for optimized codeHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Oct 20, 2009·37 cites·20 claims
- 1980US11392624B2Hybrid in-memory BFS-DFS approach for computing graph queries against homogeneous graphs inside relational database systemsORACLE INT CORP·Filed 2019·Granted Jul 19, 2022·3 cites·20 claims
- 2079US9881048B2Mirroring, in memory, data from disk to improve query performanceORACLE INT CORP·Filed 2015·Granted Jan 30, 2018·2 cites·44 claims
- 2179US9697221B2OZIP compression and decompressionORACLE INT CORP·Filed 2014·Granted Jul 4, 2017·4 cites·23 claims
- 2278US10853371B2Efficient evaluation of query expressions including grouping clausesORACLE INT CORP·Filed 2017·Granted Dec 1, 2020·2 cites·20 claims
- 2377US12229160B2Optimize workload performance by automatically discovering and implementing in-memory performance featuresORACLE INT CORP·Filed 2023·Granted Feb 18, 2025·0 cites·20 claims
- 2477US11507590B2Techniques for in-memory spatial object filteringORACLE INT CORP·Filed 2020·Granted Nov 22, 2022·1 cites·24 claims
- 2574US12450255B2Automatic, online and space efficient clustering and compression of very large database objectsORACLE INT CORP·Filed 2023·Granted Oct 21, 2025·0 cites·20 claims
- 2674US11868348B2Hardware friendly key value table design to support relational hash joinORACLE INT CORP·Filed 2020·Granted Jan 9, 2024·1 cites·20 claims
- 2773US7549085B2Method and apparatus to insert special instructionHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Jun 16, 2009·6 cites·28 claims
- 2872US10726016B2In-memory column-level multi-versioned global dictionary for in-memory databasesORACLE INT CORP·Filed 2016·Granted Jul 28, 2020·2 cites·15 claims
- 2972US10229089B2Efficient hardware instructions for single instruction multiple data processorsORACLE INT CORP·Filed 2017·Granted Mar 12, 2019·1 cites·20 claims
- 3071US12287806B2Optimize in-memory column store for mixed workloadsORACLE INT CORP·Filed 2023·Granted Apr 29, 2025·0 cites·20 claims
- 3171US2025284694A1Querying sharded vector databasesORACLE INT CORP·Filed 2025·Application pending·0 cites
- 3270US2025284681A1Efficiently processing vector queries, with query vectors and filters, against vector indexesORACLE INT CORP·Filed 2025·Application pending·0 cites
- 3370US2025284680A1Multi-vector searchORACLE INT CORP·Filed 2025·Application pending·0 cites
- 3469US11989179B2Techniques of heterogeneous hardware execution for SQL analytic queries for high volume data processingORACLE INT CORP·Filed 2022·Granted May 21, 2024·0 cites·20 claims
- 3568US11971869B2System and method for an ultra highly available, high performance, persistent memory optimized, scale-out databaseORACLE INT CORP·Filed 2022·Granted Apr 30, 2024·0 cites·22 claims
- 3668US11226955B2Techniques for enabling and integrating in-memory semi-structured data and text document searches with in-memory columnar query processingORACLE INT CORP·Filed 2018·Granted Jan 18, 2022·1 cites·12 claims
- 3767US9886459B2Methods and systems for fast set-membership tests using one or more processors that support single instruction multiple data instructionsORACLE INT CORP·Filed 2014·Granted Feb 6, 2018·1 cites·18 claims
- 3867US9201944B2Techniques for maintaining column vectors of relational data within volatile memoryORACLE INT CORP·Filed 2013·Granted Dec 1, 2015·1 cites·19 claims
- 3967US2025371038A1Partitioned row limitingORACLE INT CORP·Filed 2025·Application pending·0 cites
- 4067US2023273910A1Performing in-memory columnar analytic queries on externally resident dataORACLE INT CORP·Filed 2023·Application pending·0 cites
- 4167US2025384046A1Partitioned row limitingORACLE INT CORP·Filed 2025·Application pending·0 cites
- 4265US11580108B2Cache conscious techniques for generation of quasi-dense grouping codes of compressed columnar data in relational database systemsORACLE INT CORP·Filed 2021·Granted Feb 14, 2023·0 cites·20 claims
- 4364US11113054B2Efficient hardware instructions for single instruction multiple data processors: fast fixed-length value compressionORACLE INT CORP·Filed 2016·Granted Sep 7, 2021·1 cites·34 claims
- 4463US10437781B2OZIP compression and decompressionORACLE INT CORP·Filed 2017·Granted Oct 8, 2019·1 cites·16 claims
- 4562US11593323B2Parallel and efficient technique for building and maintaining a main memory CSR based graph index in a RDBMSORACLE INT CORP·Filed 2021·Granted Feb 28, 2023·0 cites·20 claims
- 4662US11222018B2Cache conscious techniques for generation of quasi-dense grouping codes of compressed columnar data in relational database systemsORACLE INT CORP·Filed 2020·Granted Jan 11, 2022·0 cites·20 claims
- 4762US2025370972A1Automatic accuracy calibrationORACLE INT CORP·Filed 2025·Application pending·0 cites
- 4861US11003664B2Efficient hybrid parallelization for in-memory scansORACLE INT CORP·Filed 2016·Granted May 11, 2021·1 cites·16 claims
- 4960US11550771B2System and method for an ultra highly available, high performance, persistent memory optimized, scale-out databaseORACLE INT CORP·Filed 2020·Granted Jan 10, 2023·0 cites·21 claims
- 5060US10915514B2Methods and systems for fast set-membership tests using one or more processors that support single instruction multiple data instructionsORACLE INT CORP·Filed 2018·Granted Feb 9, 2021·0 cites·21 claims
Showing the top 50 of 78 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →