Inventor · disambiguated record
Subramaniam Periyagaram
Also filed as: PERIYAGARAM SUBRAMANIAM · PERIYAGARAM SUBRAMANIAM V
38 granted patents·8 pending applications·1,027 citations·filing 2005–2025
98Inventor score
Technology areasG06F
Top patents by PatentIndex Score
46 records- 0197US8812450B1Systems and methods for instantaneous cloningNETAPP INC·Filed 2013·Granted Aug 19, 2014·96 cites·18 claims
- 0296US11422731B1Metadata-based replication of a datasetPURE STORAGE INC·Filed 2020·Granted Aug 23, 2022·14 cites·20 claims
- 0396US9043287B2Deduplication in an extent-based architectureNETAPP INC·Filed 2013·Granted May 26, 2015·31 cites·19 claims
- 0496US8819383B1Non-disruptive realignment of virtual dataJOBANPUTRA VARUN·Filed 2012·Granted Aug 26, 2014·357 cites·27 claims
- 0596US8745338B1Overwriting part of compressed data without decompressing on-disk compressed dataYADAV SANDEEP·Filed 2011·Granted Jun 3, 2014·48 cites·12 claims
- 0695US8843711B1Partial write without read-modifyYADAV SANDEEP·Filed 2011·Granted Sep 23, 2014·32 cites·21 claims
- 0795US8539008B2Extent-based storage architectureFAITH RICKARD E·Filed 2011·Granted Sep 17, 2013·108 cites·22 claims
- 0894US11068162B1Storage management in a cloud data storePURE STORAGE INC·Filed 2019·Granted Jul 20, 2021·27 cites·20 claims
- 0994US9529551B2Systems and methods for instantaneous cloningNETAPP INC·Filed 2014·Granted Dec 27, 2016·23 cites·20 claims
- 1094US8600949B2Deduplication in an extent-based architecturePERIYAGARAM SUBRAMANIAM·Filed 2011·Granted Dec 3, 2013·47 cites·26 claims
- 1193US8904120B1Segmented fingerprint datastore and scaling a fingerprint datastore in de-duplication environmentsKILLAMSETTI PRAVEEN·Filed 2010·Granted Dec 2, 2014·67 cites·22 claims
- 1292US11340812B2Efficient modification of storage system metadataNETAPP INC·Filed 2020·Granted May 24, 2022·4 cites·20 claims
- 1392US9152333B1System and method for estimating storage savings from deduplicationNETAPP INC·Filed 2013·Granted Oct 6, 2015·46 cites·20 claims
- 1491US8918378B1Cloning using an extent-based architectureFAITH RICKARD E·Filed 2011·Granted Dec 23, 2014·21 cites·16 claims
- 1589US11640239B2Cost conscious garbage collectionPURE STORAGE INC·Filed 2021·Granted May 2, 2023·2 cites·20 claims
- 1688US9715348B2Systems, methods and devices for block sharing across volumes in data storage systemsNETAPP INC·Filed 2015·Granted Jul 25, 2017·7 cites·20 claims
- 1788US9043555B1Single instance buffer cache method and systemKHONA RAHUL·Filed 2009·Granted May 26, 2015·34 cites·36 claims
- 1886US10613791B2Portable snapshot replication between storage systemsPURE STORAGE INC·Filed 2018·Granted Apr 7, 2020·8 cites·17 claims
- 1985US2025355558A1Storage class selection based on predicted data longevityPURE STORAGE INC·Filed 2025·Application pending·0 cites
- 2083US8364644B1Exclusion of data from a persistent point-in-time imageNETWORK APPLIANCE INC·Filed 2009·Granted Jan 29, 2013·13 cites·18 claims
- 2182US8554745B2Nearstore compression of data in a storage systemPAWAR DNYANESHWAR·Filed 2009·Granted Oct 8, 2013·12 cites·14 claims
- 2280US10268410B2Efficient modification of storage system metadataNETAPP INC·Filed 2014·Granted Apr 23, 2019·5 cites·20 claims
- 2379US12235799B2Optimizing a transfer of a file systemPURE STORAGE INC·Filed 2021·Granted Feb 25, 2025·1 cites·20 claims
- 2478US9779153B2Data transfer between storage systems using data fingerprintsNETAPP INC·Filed 2014·Granted Oct 3, 2017·4 cites·19 claims
- 2577US11704035B2Unified storage on block containersPURE STORAGE INC·Filed 2020·Granted Jul 18, 2023·1 cites·21 claims
- 2676US12386505B2Cost considerate placement of data within a pool of storage resourcesPURE STORAGE INC·Filed 2023·Granted Aug 12, 2025·0 cites·18 claims
- 2775US8260753B2Backup information managementKUSHWAH AJAY PRATAP SINGH·Filed 2005·Granted Sep 4, 2012·7 cites·21 claims
- 2872US12260106B2Tiering snapshots across different storage tiersPURE STORAGE INC·Filed 2022·Granted Mar 25, 2025·0 cites·20 claims
- 2972US9952797B2Systems, methods and devices for addressing data blocks in mass storage filing systemsNETAPP INC·Filed 2015·Granted Apr 24, 2018·3 cites·20 claims
- 3071US9477420B2Overwriting part of compressed data without decompressing on-disk compressed dataNETAPP INC·Filed 2014·Granted Oct 25, 2016·2 cites·17 claims
- 3171US2025156106A1Tiering Snapshots Across Different Storage TiersPURE STORAGE INC·Filed 2025·Application pending·0 cites
- 3270US9319489B2Nearstore compression of data in a storage systemNETAPP INC·Filed 2013·Granted Apr 19, 2016·2 cites·20 claims
- 3365US9557937B2Systems, methods, and computer program products implementing hybrid file structures for data storageNETAPP INC·Filed 2013·Granted Jan 31, 2017·2 cites·20 claims
- 3465US2025321936A1Using a Data Structure to Manage Directory-Tree Operations in File StoragePURE STORAGE INC·Filed 2025·Application pending·0 cites
- 3562US8914328B2Backup information managementKUSHWAH AJAY PRATAP SINGH·Filed 2012·Granted Dec 16, 2014·1 cites·20 claims
- 3661US8676862B2Information managementKUSHWAH AJAY PRATAP SINGH·Filed 2005·Granted Mar 18, 2014·2 cites·20 claims
- 3760US10838642B2Efficient modification of storage system metadataNETAPP INC·Filed 2019·Granted Nov 17, 2020·0 cites·20 claims
- 3858US2024385870A1Cross-Protocol Copying of Virtual MachinesPURE STORAGE INC·Filed 2024·Application pending·0 cites
- 3957US2024273063A1Using Managed Directories to Control Access to File System ContentPURE STORAGE INC·Filed 2024·Application pending·0 cites
- 4055US12373397B2Managing directory-tree operations in file storagePURE STORAGE INC·Filed 2020·Granted Jul 29, 2025·0 cites·20 claims
- 4155US2025103445A1Efficient Copying of DirectoriesPURE STORAGE INC·Filed 2024·Application pending·0 cites
- 4254US12399869B2Replicating a file systemPURE STORAGE INC·Filed 2021·Granted Aug 26, 2025·0 cites·20 claims
- 4353US12386782B2Snapshot difference namespace of a file systemPURE STORAGE INC·Filed 2023·Granted Aug 12, 2025·0 cites·20 claims
- 4453US2017371943A1Data transfer between storage systems using data fingerprintsNETAPP INC·Filed 2017·Application pending·0 cites
- 4545US9454440B2Versatile information managementKUSHWAH AJAY PRATAP SINGH·Filed 2005·Granted Sep 27, 2016·0 cites·16 claims
- 4638US2016070495A1Logical replication mapping for asymmetric compressionNETAPP INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →