Inventor · disambiguated record
Rajsekhar Das
Also filed as: DAS RAJSEKHAR
36 granted patents·10 pending applications·259 citations·filing 2005–2024
96Inventor score
Files withMICROSOFT TECHNOLOGY LICENSING LLC33MICROSOFT CORP7MASSA MICHAEL T3DAS RAJSEKHAR1PETTER VLADIMIR1
Top patents by PatentIndex Score
46 records- 0196US7774469B2Consistent cluster operational data in a server cluster using a quorum of replicasMASSA MICHAEL T·Filed 2005·Granted Aug 10, 2010·100 cites·10 claims
- 0294US8850018B2Consistent cluster operational data in a server cluster using a quorum of replicasMASSA MICHAEL T·Filed 2011·Granted Sep 30, 2014·25 cites·20 claims
- 0393US7840730B2Cluster shared volumesMICROSOFT CORP·Filed 2008·Granted Nov 23, 2010·53 cites·13 claims
- 0491US9116904B2File system operation on multi-tiered volumeMICROSOFT CORP·Filed 2013·Granted Aug 25, 2015·20 cites·22 claims
- 0588US8411863B2Full volume encryption in a clustered environmentURECHE OCTAVIAN T·Filed 2008·Granted Apr 2, 2013·21 cites·20 claims
- 0685US11216416B2Managing snapshotting of a dataset using an ordered set of B+ treesMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2020·Granted Jan 4, 2022·2 cites·19 claims
- 0785US8850007B2Consistent cluster operational data in a server cluster using a quorum of replicasMASSA MICHAEL T·Filed 2011·Granted Sep 30, 2014·7 cites·20 claims
- 0884US10446174B2File system for shingled magnetic recording (SMR)MICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Granted Oct 15, 2019·4 cites·19 claims
- 0982US11423151B2Systems and methods for managing data storage cluster synchronizationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2019·Granted Aug 23, 2022·2 cites·20 claims
- 1082US7644305B2Quorum establishment based on a vote from a voting deviceMICROSOFT CORP·Filed 2006·Granted Jan 5, 2010·13 cites·19 claims
- 1180US12411956B2Systems and methods for managing data storage cluster synchronizationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2023·Granted Sep 9, 2025·0 cites·20 claims
- 1275US12498887B2File system improvements for zoned storage device operationsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2024·Granted Dec 16, 2025·0 cites·20 claims
- 1375US11868477B2Scale out file system using refs and scale out volumeMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2022·Granted Jan 9, 2024·0 cites·20 claims
- 1474US2024394220A1Managing snapshotting of a dataset using an ordered set of b+ treesMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2024·Application pending·0 cites
- 1573US10298649B2Guaranteeing stream exclusivity in a multi-tenant environmentMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Granted May 21, 2019·2 cites·20 claims
- 1673US10235077B2Resource arbitration for shared-write access via persistent reservationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Granted Mar 19, 2019·1 cites·20 claims
- 1769US10754549B2Append only streams for storing data on a solid state deviceMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2018·Granted Aug 25, 2020·1 cites·20 claims
- 1867US12013814B2Managing snapshotting of a dataset using an ordered set of B+ treesMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2021·Granted Jun 18, 2024·0 cites·18 claims
- 1966US12118245B2File system improvements for zoned storage device operationsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2022·Granted Oct 15, 2024·0 cites·20 claims
- 2065US9832267B2Resource arbitration for shared-write access via persistent reservationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2014·Granted Nov 28, 2017·1 cites·18 claims
- 2161US9547549B2Handling file system corruptionMICROSOFT CORP·Filed 2013·Granted Jan 17, 2017·1 cites·20 claims
- 2259US8463762B2Volumes and file system in cluster shared volumesPETTER VLADIMIR·Filed 2010·Granted Jun 11, 2013·2 cites·20 claims
- 2359US7877553B2Sharing volume data via shadow copies using differential areasMICROSOFT CORP·Filed 2007·Granted Jan 25, 2011·2 cites·17 claims
- 2458US8719473B2Resource arbitration for shared-write access via persistent reservationDAS RAJSEKHAR·Filed 2008·Granted May 6, 2014·2 cites·20 claims
- 2555US12306805B2Dynamically resizing root nodes of hierarchical data structuresMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2023·Granted May 20, 2025·0 cites·18 claims
- 2655US9836419B2Efficient data movement within file system volumesMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2014·Granted Dec 5, 2017·0 cites·20 claims
- 2754US12141103B2File system metadata layout for append-only storageMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2022·Granted Nov 12, 2024·0 cites·18 claims
- 2852US11269716B2Self-healing operations for root corruption in a file systemMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2019·Granted Mar 8, 2022·0 cites·20 claims
- 2952US11163730B2Hard link operations for files in a file systemMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2019·Granted Nov 2, 2021·0 cites·20 claims
- 3052US2018150422A1Efficient data movement within file system volumesMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Application pending·0 cites
- 3150US2025231911A1Creating a file data record based on an internal file templateMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2023·Application pending·0 cites
- 3249US2023385240A1Optimizations for data deduplication operationsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2022·Application pending·0 cites
- 3348US10430106B2Policy based tiered allocation for hybrid storage devicesMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2018·Granted Oct 1, 2019·0 cites·20 claims
- 3447US10768829B2Opportunistic use of streams for storing data on a solid state deviceMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Granted Sep 8, 2020·0 cites·20 claims
- 3546US11803517B2File system for anonymous writeMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2019·Granted Oct 31, 2023·0 cites·20 claims
- 3645US11995032B2Reduced-latency data operations for files in a file systemMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2019·Granted May 28, 2024·0 cites·17 claims
- 3744US10394717B1Central processing unit cache friendly multithreaded allocationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2018·Granted Aug 27, 2019·0 cites·20 claims
- 3844US2022164311A1Weak references of allocated logical clustersMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2020·Application pending·0 cites
- 3944US2020363976A1Multithreading for Rotation Operations in a File SystemMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2019·Application pending·0 cites
- 4042US11144505B2Data operations using a cache table in a file systemMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2019·Granted Oct 12, 2021·0 cites·20 claims
- 4142US2007168507A1Resource arbitration via persistent reservationMICROSOFT CORP·Filed 2005·Application pending·0 cites
- 4239US10733045B2Online repair of metadata for structured data including file systemsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted Aug 4, 2020·0 cites·15 claims
- 4339US10489240B2Efficient detection of corrupt dataMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted Nov 26, 2019·0 cites·13 claims
- 4439US2018232154A1Append Only Streams For Storing Data On A Solid State DeviceMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2018·Application pending·0 cites
- 4537US2018150257A1File System Streams Support And UsageMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Application pending·0 cites
- 4635US2011252208A1Express-full backup of a cluster shared virtual machineMICROSOFT CORP·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →