Inventor · disambiguated record
Tirthankar Lahiri
Also filed as: LAHIRI TIRTHANKAR
73 granted patents·16 pending applications·630 citations·filing 2001–2025
99Inventor score
Files withORACLE INT CORP78CHIDAMBARAN LAKSHMINARAYANAN2GHOSH SOURAV2LAHIRI TIRTHANKAR2BADDEPUDI BHARAT C V1
Top patents by PatentIndex Score
89 records- 0197US9292564B2Mirroring, in memory, data from disk to improve query performanceORACLE INT CORP·Filed 2014·Granted Mar 22, 2016·47 cites·39 claims
- 0292US10678791B2Using 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
- 0392US7734580B2Readable physical storage replica and standby database systemORACLE INT CORP·Filed 2007·Granted Jun 8, 2010·36 cites·32 claims
- 0490US11379403B2One-sided reliable remote direct memory operationsORACLE INT CORP·Filed 2020·Granted Jul 5, 2022·2 cites·18 claims
- 0590US10007691B2Prioritizing repopulation of in-memory compression unitsORACLE INT CORP·Filed 2015·Granted Jun 26, 2018·8 cites·25 claims
- 0690US9639562B2Automatically determining an optimal database subsectionORACLE INT CORP·Filed 2013·Granted May 2, 2017·17 cites·39 claims
- 0790US6952664B1System and method for predicting cache performanceORACLE INT CORP·Filed 2001·Granted Oct 4, 2005·72 cites·17 claims
- 0889US10133667B2Efficient data storage and retrieval using a heterogeneous main memoryORACLE INT CORP·Filed 2016·Granted Nov 20, 2018·7 cites·20 claims
- 0989US8738568B2User-defined parallelization in transactional replication of in-memory databaseGHOSH SOURAV·Filed 2011·Granted May 27, 2014·23 cites·20 claims
- 1089US7031987B2Integrating tablespaces with different block sizesORACLE INT CORP·Filed 2001·Granted Apr 18, 2006·56 cites·16 claims
- 1188US8401994B2Distributed consistent grid of in-memory database cachesHOANG CHI·Filed 2009·Granted Mar 19, 2013·32 cites·31 claims
- 1287US8306951B2Automated integrated high availability of the in-memory database cache and the backend enterprise databaseGHOSH SOURAV·Filed 2010·Granted Nov 6, 2012·15 cites·21 claims
- 1387US7600063B2Techniques for improved read-write concurrencyORACLE INT CORP·Filed 2006·Granted Oct 6, 2009·19 cites·36 claims
- 1487US7526508B2Self-managing database architectureORACLE INT CORP·Filed 2004·Granted Apr 28, 2009·63 cites·22 claims
- 1586US7376682B2Time modelORACLE INT CORP·Filed 2004·Granted May 20, 2008·46 cites·18 claims
- 1685US10346315B2Latchless, non-blocking dynamically resizable segmented hash indexORACLE INT CORP·Filed 2017·Granted Jul 9, 2019·4 cites·21 claims
- 1785US10204135B2Materializing expressions within in-memory virtual column units to accelerate analytic queriesORACLE INT CORP·Filed 2016·Granted Feb 12, 2019·5 cites·17 claims
- 1883US11675761B2Performing in-memory columnar analytic queries on externally resident dataORACLE INT CORP·Filed 2018·Granted Jun 13, 2023·3 cites·37 claims
- 1983US11657037B2Query execution against an in-memory standby databaseORACLE INT CORP·Filed 2016·Granted May 23, 2023·5 cites·18 claims
- 2083US10296629B2Server supporting a consistent client-side cacheCHIDAMBARAN LAKSHMINARAYANAN·Filed 2007·Granted May 21, 2019·14 cites·36 claims
- 2183US9697253B2Consistent client-side cacheCHIDAMBARAN LAKSHMINARAYANAN·Filed 2007·Granted Jul 4, 2017·14 cites·34 claims
- 2282US10678788B2Columnar caching in tiered storageORACLE INT CORP·Filed 2016·Granted Jun 9, 2020·4 cites·34 claims
- 2381US10311154B2Combined row and columnar storage for in-memory databases for OLTP and analytics workloadsORACLE INT CORP·Filed 2013·Granted Jun 4, 2019·8 cites·14 claims
- 2480US10248685B2Efficient determination of committed changesORACLE INT CORP·Filed 2016·Granted Apr 2, 2019·3 cites·22 claims
- 2580US10002148B2Memory-aware joins based in a database clusterORACLE INT CORP·Filed 2015·Granted Jun 19, 2018·3 cites·22 claims
- 2679US9881048B2Mirroring, in memory, data from disk to improve query performanceORACLE INT CORP·Filed 2015·Granted Jan 30, 2018·2 cites·44 claims
- 2778US12271372B2System and method for transaction continuity across failures in a scale-out databaseORACLE INT CORP·Filed 2024·Granted Apr 8, 2025·0 cites·20 claims
- 2878US9870412B2Automated integrated high availability of the in-memory database cache and the backend enterprise databaseORACLE INT CORP·Filed 2012·Granted Jan 16, 2018·5 cites·18 claims
- 2977US7783852B2Techniques for automated allocation of memory among a plurality of poolsORACLE INT CORP·Filed 2003·Granted Aug 24, 2010·28 cites·30 claims
- 3077US2025231932A1System And Method For Transaction Continuity Across Failures In A Scale-Out DatabaseORACLE INT CORP·Filed 2025·Application pending·0 cites
- 3176US9569475B2Distributed consistent grid of in-memory database cachesORACLE INT CORP·Filed 2013·Granted Feb 14, 2017·4 cites·23 claims
- 3275US10437688B2Enhancing consistent read performance for in-memory databasesORACLE INT CORP·Filed 2016·Granted Oct 8, 2019·2 cites·14 claims
- 3375US7467279B2Method and system for faster instance startup for large resource configurationsORACLE INT CORP·Filed 2006·Granted Dec 16, 2008·7 cites·21 claims
- 3474US12450255B2Automatic, online and space efficient clustering and compression of very large database objectsORACLE INT CORP·Filed 2023·Granted Oct 21, 2025·0 cites·20 claims
- 3573US11983170B2System and method for transaction continuity across failures in a scale-out databaseORACLE INT CORP·Filed 2023·Granted May 14, 2024·0 cites·20 claims
- 3673US11080204B2Latchless, non-blocking dynamically resizable segmented hash indexORACLE INT CORP·Filed 2019·Granted Aug 3, 2021·1 cites·20 claims
- 3773US8429133B2Partial key indexesLAHIRI TIRTHANKAR·Filed 2007·Granted Apr 23, 2013·7 cites·18 claims
- 3873US7020599B1Mean time to recover (MTTR) advisoryORACLE INTERNAT CORP OIC·Filed 2001·Granted Mar 28, 2006·32 cites·43 claims
- 3971US11899651B2Automatic reclamation of storage space for database systemsORACLE INT CORP·Filed 2022·Granted Feb 13, 2024·0 cites·20 claims
- 4071US2025284694A1Querying sharded vector databasesORACLE INT CORP·Filed 2025·Application pending·0 cites
- 4170US11526462B2One-sided reliable remote direct memory operationsORACLE INT CORP·Filed 2020·Granted Dec 13, 2022·0 cites·18 claims
- 4270US11449458B2One-sided reliable remote direct memory operationsORACLE INT CORP·Filed 2020·Granted Sep 20, 2022·0 cites·22 claims
- 4370US2025284681A1Efficiently processing vector queries, with query vectors and filters, against vector indexesORACLE INT CORP·Filed 2025·Application pending·0 cites
- 4470US2025284680A1Multi-vector searchORACLE INT CORP·Filed 2025·Application pending·0 cites
- 4569US10803039B2Method for efficient primary key based queries using atomic RDMA reads on cache friendly in-memory hash indexORACLE INT CORP·Filed 2017·Granted Oct 13, 2020·1 cites·30 claims
- 4669US9875259B2Distribution of an object in volatile memory across a multi-node clusterORACLE INT CORP·Filed 2014·Granted Jan 23, 2018·2 cites·26 claims
- 4768US11971869B2System 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
- 4868US10756759B2Column domain dictionary compressionLAHIRI TIRTHANKAR·Filed 2011·Granted Aug 25, 2020·3 cites·16 claims
- 4967US2025371038A1Partitioned row limitingORACLE INT CORP·Filed 2025·Application pending·0 cites
- 5067US2023273910A1Performing in-memory columnar analytic queries on externally resident dataORACLE INT CORP·Filed 2023·Application pending·0 cites
Showing the top 50 of 89 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →