Assignee
EMC CORP
US4,592 patents
Top patents by PatentIndex Score
US10642633B1May 5, 2020
Intelligent backups with dynamic proxy in virtualized environment
EMC CORP420 citations99
US9934237B1Apr 3, 2018
Metadata optimization for network replication using representative of metadata batch
EMC CORP176 citations99
US9778852B1Oct 3, 2017
Automated storage tiering based on application awareness
EMC CORP146 citations99
US9606870B1Mar 28, 2017
Data reduction techniques in a flash-based key/value cluster storage
EMC CORP207 citations99
US9588847B1Mar 7, 2017
Recovering corrupt virtual machine disks
EMC CORP187 citations99
US9514146B1Dec 6, 2016
System and method for improving data compression of a storage system in an online manner
EMC CORP127 citations99
US9471579B1Oct 18, 2016
Replicating selected snapshots from one storage array to another, with minimal data transmission
EMC CORP244 citations99
US9455968B1Sep 27, 2016
Protection of a secret on a mobile device using a secret-splitting technique with a fixed user share
EMC CORP261 citations99
US9250823B1Feb 2, 2016
Online replacement of physical storage in a virtual storage system
EMC CORP551 citations99
US9235475B1Jan 12, 2016
Metadata optimization for network replication using representative of metadata batch
EMC CORP194 citations99
US9110964B1Aug 18, 2015
Metadata optimization for network replication using differential encoding
EMC CORP204 citations99
US8990905B1Mar 24, 2015
Protected resource access control utilizing intermediate values of a hash chain
EMC CORP513 citations99
US8010738B1Aug 30, 2011
Techniques for obtaining a specified lifetime for a data storage device
EMC CORP164 citations99
US7904681B1Mar 8, 2011
Methods and systems for migrating data with minimal disruption
EMC CORP262 citations99
US7899780B1Mar 1, 2011
Methods and apparatus for structured partitioning of management information
EMC CORP500 citations99
US7873601B1Jan 18, 2011
Backup of incremental metadata in block based backup systems
EMC CORP139 citations99
US7873619B1Jan 18, 2011
Managing metadata
EMC CORP603 citations99
US7848746B2Dec 7, 2010
Authentication methods and apparatus utilizing hash chains
EMC CORP270 citations99
US7783682B1Aug 24, 2010
Probabilistic summary data structure based encoding for garbage collection in backup systems
EMC CORP256 citations99
US7757059B1Jul 13, 2010
Virtual array non-disruptive management data migration
EMC CORP232 citations99
US7567991B2Jul 28, 2009
Replication of snapshot using a file system copy differential
EMC CORP219 citations99
US7484056B2Jan 27, 2009
Partitioning of a storage array into N-storage arrays using full array non-disruptive data migration
EMC CORP191 citations99
US7484059B1Jan 27, 2009
Full array non-disruptive migration of extended storage functionality
EMC CORP188 citations99
US7484057B1Jan 27, 2009
Consolidating N-storage arrays into one storage array using full array non-disruptive data migration
EMC CORP188 citations99
US7457868B1Nov 25, 2008
Methods and apparatus for measuring network performance
EMC CORP186 citations99
US7240238B2Jul 3, 2007
Remote data mirroring
EMC CORP68 citations99
US7120631B1Oct 10, 2006
File server system providing direct data sharing between clients with a server acting as an arbiter and coordinator
EMC CORP179 citations99
US7076690B1Jul 11, 2006
Method and apparatus for managing access to volumes of storage
EMC CORP140 citations99
US7055059B2May 30, 2006
Remote data mirroring
EMC CORP110 citations99
US7051182B2May 23, 2006
Mapping of hosts to logical storage units and data storage ports in a data processing system
EMC CORP156 citations99
US6988130B2Jan 17, 2006
Virtual ports for partitioning of data storage
EMC CORP141 citations99
US6976165B1Dec 13, 2005
System and method for secure storage, transfer and retrieval of content addressable information
EMC CORP189 citations99
US6973455B1Dec 6, 2005
File server system providing direct data sharing between clients with a server acting as an arbiter and coordinator
EMC CORP235 citations99
US6957362B2Oct 18, 2005
Instantaneous restoration of a production copy from a snapshot copy in a data storage system
EMC CORP175 citations99
US6937770B1Aug 30, 2005
Adaptive bit rate control for rate reduction of MPEG coded video
EMC CORP188 citations99
US6898685B2May 24, 2005
Ordering data writes from a local storage device to a remote storage device
EMC CORP130 citations99
US6823336B1Nov 23, 2004
Data storage system and method for uninterrupted read-only access to a consistent dataset by one host processor concurrent with read-write access by another host processor
EMC CORP221 citations99
US6820035B1Nov 16, 2004
System and method for determining workload characteristics for one or more applications operating in a data storage environment
EMC CORP199 citations99
US6807632B1Oct 19, 2004
Content addressable information encapsulation, representation, and transfer
EMC CORP257 citations99
US6799255B1Sep 28, 2004
Storage mapping and partitioning among multiple host processors
EMC CORP271 citations99
US6792518B2Sep 14, 2004
Data storage system having mata bit maps for indicating whether data blocks are invalid in snapshot copies
EMC CORP291 citations99
US6771703B1Aug 3, 2004
Efficient scaling of nonscalable MPEG-2 Video
EMC CORP233 citations99
US6757769B1Jun 29, 2004
Cooperative lock override procedure
EMC CORP286 citations99
US6751703B2Jun 15, 2004
Data storage systems and methods which utilize an on-board cache
EMC CORP165 citations99
US6718448B1Apr 6, 2004
Queued locking of a shared resource using multimodal lock types
EMC CORP258 citations99
US6636250B1Oct 21, 2003
Methods and apparatus for presenting information to a user of a computer system
EMC CORP265 citations99
US6631442B1Oct 7, 2003
Methods and apparatus for interfacing to a data storage system
EMC CORP149 citations99
US6611896B1Aug 26, 2003
Dynamic mirror service policy with seek adjustment in a non-physical mirrored storage environment
EMC CORP160 citations99
US6598134B2Jul 22, 2003
System and method for on-line, real time, data migration
EMC CORP214 citations99
US6581143B2Jun 17, 2003
Data processing method and apparatus for enabling independent access to replicated data
EMC CORP404 citations99
Showing the top 50 of 4,592 patents by PatentIndex Score.