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Inventor

Blake H. Lewis

Inventor
Los Altos Hills, CA, US

Overview

59→
Patents
2003–2020
Patent span
Physics
Primary field (CPC G)

Patents· 59 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary
G06FElectric digital data processing80%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%
H04LTransmission of digital information, e.g. telegraphic communication4%
PatentTitleYear
10,838,642Efficient modification of storage system metadata202010,565,230Technique for preserving efficiency for replication between clusters of a network202010,365,838N-way merge technique for updating volume metadata in a storage I/O stack201910,268,410Efficient modification of storage system metadata201910,223,375Handling data extent size asymmetry during logical replication in a storage system201910,042,853Flash optimized, log-structured layer of a file system20189,928,249'Scheduling deduplication in a storage system'20189,836,229N-way merge technique for updating volume metadata in a storage I/O stack20179,569,140'Scheduling deduplication in a storage system'20179,563,654'Dense tree volume metadata organization'20179,529,546'Global in-line extent-based deduplication'20169,477,420'Overwriting part of compressed data without decompressing on-disk compressed data'20169,471,248'Snapshots and clones of volumes in a storage system'20169,448,924'Flash optimized, log-structured layer of a file system'20169,405,783'Extent hashing technique for distributed storage architecture'20169,405,473'Dense tree volume metadata update logging and checkpointing'20169,396,205'Detection and handling of namespace changes in a data replication system'20169,286,006'Systems and methods for scheduling deduplication of a storage system'20169,268,502'Dense tree volume metadata organization'20169,256,378'Deduplicating data blocks in a storage system'20169,201,918'Dense tree volume metadata update logging and checkpointing'20159,152,335'Global in-line extent-based deduplication'20159,152,684'Snapshots and clones of volumes in a storage system'20159,043,287'Deduplication in an extent-based architecture'20159,037,544'Snapshots and clones of volumes in a storage system'20158,996,535'Extent hashing technique for distributed storage architecture'20158,996,797'Dense tree volume metadata update logging and checkpointing'20158,990,539'Extension of write anywhere file system layout'20158,924,440'Extent-based storage architecture'20148,918,378'Cloning using an extent-based architecture'20148,892,818'Dense tree volume metadata organization'20148,880,788'Flash optimized, log-structured layer of a file system'20148,849,767'Method and apparatus for identifying and eliminating duplicate data blocks and sharing data blocks in a storage system'20148,843,711'Partial write without read-modify'20148,745,338'Overwriting part of compressed data without decompressing on-disk compressed data'20148,600,949'Deduplication in an extent-based architecture'20138,583,892'Extension of write anywhere file system layout'20138,539,008'Extent-based storage architecture'20138,099,576'Extension of write anywhere file system layout'20127,962,531'Multiple concurrent active file systems'20117,937,367'System and method for parallelized replay of an NVRAM log in a storage appliance'20117,930,326'Space allocation in a write anywhere file system'20117,783,684'Efficient, robust file handle invalidation'20107,769,723'System and method for providing continuous data protection'20107,698,306'System and method for parallelized replay of an NVRAM log in a storage appliance'20107,685,169'Multiple concurrent active file systems'20107,467,276'System and method for automatic root volume creation'20087,454,445'Write allocation based on storage system map and snapshot'20087,418,465'File system block reservation manager'20087,409,494'Extension of write anywhere file system layout'20087,290,013'Space allocation in a write anywhere file system'20077,249,150'System and method for parallelized replay of an NVRAM log in a storage appliance'20077,117,303'Efficient, robust file handle invalidation'20067,111,021'System and method for efficient space accounting in a file system with snapshots'20067,107,385'Storage virtualization by layering virtual disk objects on a file system'20067,072,916'Instant snapshot'20066,857,001'Multiple concurrent active file systems'20056,640,233'Reserving file system blocks'20036,636,879'Space allocation in a write anywhere file system'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2011Patents assigned to NETWORK APPLIANCE INC (14)· patent assignee history
2003–2011Based in Palo Alto, CA, US· patent location history
2005–2020Based in Los Altos Hills, CA, US· patent location history
2010–2020Patents assigned to NETAPP INC (45)· patent assignee history
2013–2019Patents assigned to LEWIS BLAKE (7)· patent assignee history
2013–2014Patents assigned to PERIYAGARAM SUBRAMANIAM (5)· patent assignee history
2013–2014Patents assigned to YADAV SANDEEP (5)· patent assignee history
2014–2020Based in Los Altos, CA, US· patent location history
2014Based in Sunnyvale, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NETAPP INC452010–2020
NETWORK APPLIANCE INC142003–2011
LEWIS BLAKEself72013–2019
PERIYAGARAM SUBRAMANIAM52013–2014
YADAV SANDEEP52013–2014
Locations
LocationPatentsSpan
Los Altos Hills, California, US442005–2020
Palo Alto, California, US82003–2011
Los Altos, California, US62014–2020
Sunnyvale, California, US12014