Inventor · disambiguated record
Blake H. Lewis
Also filed as: LEWIS BLAKE · LEWIS BLAKE H
62 granted patents·2 pending applications·2,364 citations·filing 2000–2020
99Inventor score
Top patents by PatentIndex Score
64 records- 0198US8996535B1Extent hashing technique for distributed storage architectureNETAPP INC·Filed 2014·Granted Mar 31, 2015·65 cites·19 claims
- 0298US7409494B2Extension of write anywhere file system layoutNETWORK APPLIANCE INC·Filed 2004·Granted Aug 5, 2008·165 cites·93 claims
- 0398US7107385B2Storage virtualization by layering virtual disk objects on a file systemNETWORK APPLIANCE INC·Filed 2002·Granted Sep 12, 2006·279 cites·97 claims
- 0498US7072916B1Instant snapshotNETWORK APPLIANCE INC·Filed 2000·Granted Jul 4, 2006·186 cites·27 claims
- 0598US6857001B2Multiple concurrent active file systemsNETWORK APPLIANCE INC·Filed 2002·Granted Feb 15, 2005·164 cites·63 claims
- 0698US6636879B1Space allocation in a write anywhere file systemNETWORK APPLIANCE INC·Filed 2000·Granted Oct 21, 2003·253 cites·39 claims
- 0797US10565230B2Technique for preserving efficiency for replication between clusters of a networkNETAPP INC·Filed 2015·Granted Feb 18, 2020·26 cites·18 claims
- 0897US9037544B1Snapshots and clones of volumes in a storage systemNETAPP INC·Filed 2014·Granted May 19, 2015·35 cites·18 claims
- 0997US8996797B1Dense tree volume metadata update logging and checkpointingNETAPP INC·Filed 2014·Granted Mar 31, 2015·43 cites·20 claims
- 1097US8892818B1Dense tree volume metadata organizationNETAPP INC·Filed 2014·Granted Nov 18, 2014·41 cites·20 claims
- 1197US8880788B1Flash optimized, log-structured layer of a file systemNETAPP INC·Filed 2014·Granted Nov 4, 2014·48 cites·20 claims
- 1297US7249150B1System and method for parallelized replay of an NVRAM log in a storage applianceNETWORK APPLIANCE INC·Filed 2001·Granted Jul 24, 2007·150 cites·10 claims
- 1396US9448924B2Flash optimized, log-structured layer of a file systemNETAPP INC·Filed 2014·Granted Sep 20, 2016·30 cites·20 claims
- 1496US9405783B2Extent hashing technique for distributed storage architectureNETAPP INC·Filed 2013·Granted Aug 2, 2016·29 cites·20 claims
- 1596US9268502B2Dense tree volume metadata organizationNETAPP INC·Filed 2013·Granted Feb 23, 2016·29 cites·17 claims
- 1696US9043287B2Deduplication in an extent-based architectureNETAPP INC·Filed 2013·Granted May 26, 2015·31 cites·19 claims
- 1796US8745338B1Overwriting part of compressed data without decompressing on-disk compressed dataYADAV SANDEEP·Filed 2011·Granted Jun 3, 2014·48 cites·12 claims
- 1895US9152684B2Snapshots and clones of volumes in a storage systemNETAPP INC·Filed 2013·Granted Oct 6, 2015·25 cites·20 claims
- 1995US8843711B1Partial write without read-modifyYADAV SANDEEP·Filed 2011·Granted Sep 23, 2014·32 cites·21 claims
- 2095US8539008B2Extent-based storage architectureFAITH RICKARD E·Filed 2011·Granted Sep 17, 2013·108 cites·22 claims
- 2194US8600949B2Deduplication in an extent-based architecturePERIYAGARAM SUBRAMANIAM·Filed 2011·Granted Dec 3, 2013·47 cites·26 claims
- 2293US8849767B1Method and apparatus for identifying and eliminating duplicate data blocks and sharing data blocks in a storage systemZHENG LING·Filed 2005·Granted Sep 30, 2014·31 cites·28 claims
- 2393US7769723B2System and method for providing continuous data protectionNETAPP INC·Filed 2006·Granted Aug 3, 2010·35 cites·39 claims
- 2492US11340812B2Efficient modification of storage system metadataNETAPP INC·Filed 2020·Granted May 24, 2022·4 cites·20 claims
- 2592US10042853B2Flash optimized, log-structured layer of a file systemNETAPP INC·Filed 2016·Granted Aug 7, 2018·7 cites·20 claims
- 2692US9152335B2Global in-line extent-based deduplicationNETAPP INC·Filed 2014·Granted Oct 6, 2015·13 cites·19 claims
- 2791US9396205B1Detection and handling of namespace changes in a data replication systemLEWIS BLAKE·Filed 2011·Granted Jul 19, 2016·21 cites·22 claims
- 2891US8918378B1Cloning using an extent-based architectureFAITH RICKARD E·Filed 2011·Granted Dec 23, 2014·21 cites·16 claims
- 2991US7930326B2Space allocation in a write anywhere file systemNETWORK APPLIANCE INC·Filed 2007·Granted Apr 19, 2011·19 cites·18 claims
- 3091US7454445B2Write allocation based on storage system map and snapshotNETWORK APPLIANCE INC·Filed 2001·Granted Nov 18, 2008·62 cites·14 claims
- 3191US7111021B1System and method for efficient space accounting in a file system with snapshotsNETWORK APPLIANCE INC·Filed 2003·Granted Sep 19, 2006·71 cites·38 claims
- 3290US9836229B2N-way merge technique for updating volume metadata in a storage I/O stackNETAPP INC·Filed 2014·Granted Dec 5, 2017·13 cites·20 claims
- 3390US9529546B2Global in-line extent-based deduplicationNETAPP INC·Filed 2014·Granted Dec 27, 2016·11 cites·20 claims
- 3490US9256378B2Deduplicating data blocks in a storage systemNETAPP INC·Filed 2013·Granted Feb 9, 2016·12 cites·21 claims
- 3590US7698306B2System and method for parallelized replay of an NVRAM log in a storage applianceNETAPP INC·Filed 2007·Granted Apr 13, 2010·17 cites·23 claims
- 3688US7467276B1System and method for automatic root volume creationNETWORK APPLIANCE INC·Filed 2005·Granted Dec 16, 2008·18 cites·30 claims
- 3788US6640233B1Reserving file system blocksNETWORK APPLIANCE INC·Filed 2000·Granted Oct 28, 2003·51 cites·30 claims
- 3887US9563654B2Dense tree volume metadata organizationNETAPP INC·Filed 2015·Granted Feb 7, 2017·4 cites·20 claims
- 3987US9471248B2Snapshots and clones of volumes in a storage systemNETAPP INC·Filed 2015·Granted Oct 18, 2016·4 cites·20 claims
- 4087US9405473B2Dense tree volume metadata update logging and checkpointingNETAPP INC·Filed 2015·Granted Aug 2, 2016·4 cites·20 claims
- 4186US7685169B2Multiple concurrent active file systemsNETAPP INC·Filed 2005·Granted Mar 23, 2010·13 cites·21 claims
- 4285US7117303B1Efficient, robust file handle invalidationNETWORK APPLIANCE INC·Filed 2003·Granted Oct 3, 2006·34 cites·35 claims
- 4384US9928249B2Scheduling deduplication in a storage systemNETAPP INC·Filed 2017·Granted Mar 27, 2018·3 cites·20 claims
- 4482US7962531B2Multiple concurrent active file systemsNETAPP INC·Filed 2010·Granted Jun 14, 2011·5 cites·30 claims
- 4581US10365838B2N-way merge technique for updating volume metadata in a storage I/O stackNETAPP INC·Filed 2017·Granted Jul 30, 2019·3 cites·20 claims
- 4681US9201918B2Dense tree volume metadata update logging and checkpointingNETAPP INC·Filed 2013·Granted Dec 1, 2015·4 cites·20 claims
- 4780US10268410B2Efficient modification of storage system metadataNETAPP INC·Filed 2014·Granted Apr 23, 2019·5 cites·20 claims
- 4879US7937367B2System and method for parallelized replay of an NVRAM log in a storage applianceNETAPP INC·Filed 2009·Granted May 3, 2011·6 cites·26 claims
- 4973US8924440B2Extent-based storage architectureNETAPP INC·Filed 2013·Granted Dec 30, 2014·3 cites·20 claims
- 5073US8099576B1Extension of write anywhere file system layoutEDWARDS JOHN K·Filed 2008·Granted Jan 17, 2012·4 cites·31 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →