Inventor · disambiguated record
Alexander S. Mathews
Also filed as: MATHEWS ALEXANDER · MATHEWS ALEXANDER S
26 granted patents·299 citations·filing 2010–2021
95Inventor score
Technology areasG06F
Top patents by PatentIndex Score
26 records- 0197US10809932B1Managing data relocations in storage systemsEMC IP HOLDING CO LLC·Filed 2016·Granted Oct 20, 2020·26 cites·18 claims
- 0295US9965201B1Coalescing file system free space to promote full-stripe writesEMC CORP·Filed 2015·Granted May 8, 2018·19 cites·20 claims
- 0395US9400741B1Reclaiming space from file system hosting many primary storage objects and their snapshotsEMC CORP·Filed 2014·Granted Jul 26, 2016·30 cites·20 claims
- 0494US8407265B1Hierarchical mapping of free blocks of cylinder groups of file systems built on slices of storage and linking of the free blocksSCHEER MICHAEL D·Filed 2010·Granted Mar 26, 2013·85 cites·20 claims
- 0593US11526469B1File system reorganization in the presence of inline compressionEMC IP HOLDING CO LLC·Filed 2017·Granted Dec 13, 2022·11 cites·20 claims
- 0693US9864753B1Data storage system with adaptive file system over-provisioningEMC CORP·Filed 2016·Granted Jan 9, 2018·12 cites·20 claims
- 0793US9778996B1File system version set infrastructureEMC CORP·Filed 2014·Granted Oct 3, 2017·21 cites·19 claims
- 0892US9104675B1Inode to pathname support with a hard link databaseCLARK MORGAN·Filed 2012·Granted Aug 11, 2015·48 cites·20 claims
- 0989US11010082B2Mechanisms for performing accurate space accounting for volume familiesEMC IP HOLDING CO LLC·Filed 2018·Granted May 18, 2021·7 cites·20 claims
- 1089US10235286B1Data storage system dynamically re-marking slices for reclamation from internal file system to pool storageEMC IP HOLDING CO LLC·Filed 2017·Granted Mar 19, 2019·9 cites·20 claims
- 1189US9933945B1Efficiently shrinking a dynamically-sized volumeEMC IP HOLDING CO LLC·Filed 2016·Granted Apr 3, 2018·10 cites·20 claims
- 1278US11861201B2System and method for inline recovery of a file system resource allocatorEMC IP HOLDING CO LLC·Filed 2019·Granted Jan 2, 2024·2 cites·17 claims
- 1377US11334523B2Finding storage objects of a snapshot group pointing to a logical page in a logical address space of a storage systemEMC IP HOLDING CO LLC·Filed 2020·Granted May 17, 2022·1 cites·20 claims
- 1476US10942845B2Inline coalescing of file system free spaceEMC IP HOLDING CO LLC·Filed 2018·Granted Mar 9, 2021·2 cites·13 claims
- 1576US10740284B1Techniques for efficiently performing filesystem reorganization tasks for different filesystemsEMC IP HOLDING CO LLC·Filed 2016·Granted Aug 11, 2020·3 cites·15 claims
- 1676US10732840B2Efficient space accounting mechanisms for tracking unshared pages between a snapshot volume and its parent volumeEMC IP HOLDING CO LLC·Filed 2018·Granted Aug 4, 2020·2 cites·20 claims
- 1776US10013217B1Upper deck file system shrink for directly and thinly provisioned lower deck file system in which upper deck file system is stored in a volume file within lower deck file system where both upper deck file system and lower deck file system resides in storage processor memoryEMC CORP·Filed 2013·Granted Jul 3, 2018·4 cites·20 claims
- 1874US9779105B1Transaction logging using file-system-specific log filesEMC CORP·Filed 2014·Granted Oct 3, 2017·3 cites·21 claims
- 1973US10936195B2Data storage system using in-memory structure for reclaiming space from internal file system to pool storageEMC IP HOLDING CO LLC·Filed 2017·Granted Mar 2, 2021·2 cites·22 claims
- 2067US9690803B1Auxiliary files in a container file systemEMC CORP·Filed 2014·Granted Jun 27, 2017·2 cites·17 claims
- 2160US11762808B2Deletion of snapshot of filesystemEMC IP HOLDING CO LLC·Filed 2021·Granted Sep 19, 2023·0 cites·20 claims
- 2253US12001393B2Directory snapshots based on directory level inode virtualizationDELL PRODUCTS LP·Filed 2021·Granted Jun 4, 2024·0 cites·20 claims
- 2353US11003524B2Data storage system with repair of virtual data blocks of internal file systemEMC IP HOLDING CO LLC·Filed 2019·Granted May 11, 2021·0 cites·20 claims
- 2450US10990486B2Data storage system with repair of mid-level mapping blocks of internal file systemEMC IP HOLDING CO LLC·Filed 2019·Granted Apr 27, 2021·0 cites·20 claims
- 2549US11880338B2Hard link handling with directory snapshotsEMC IP HOLDING CO LLC·Filed 2021·Granted Jan 23, 2024·0 cites·21 claims
- 2648US11934347B2Determining a sharing relationship of a file in namespace snapshotsEMC IP HOLDING CO LLC·Filed 2021·Granted Mar 19, 2024·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →