Inventor
HALSTEAD MARK J
US66 patents
⚠️ This page may combine multiple inventors who share the name “HALSTEAD MARK J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EMC CORP
36 patentsUS6898685B2May 24, 2005
Ordering data writes from a local storage device to a remote storage device
EMC CORP130 citations99
US6496908B1Dec 17, 2002
Remote mirroring
EMC CORP160 citations99
US9128628B1Sep 8, 2015
Dynamic replication mode switching
EMC CORP85 citations98
US7113945B1Sep 26, 2006
Virtual storage device that uses volatile memory
EMC CORP77 citations98
US7054883B2May 30, 2006
Virtual ordered writes for multiple storage devices
EMC CORP150 citations98
US7228456B2Jun 5, 2007
Data recovery for virtual ordered writes for multiple storage devices
EMC CORP130 citations97
US7114033B2Sep 26, 2006
Handling data writes copied from a remote data storage device
EMC CORP44 citations96
US7051176B2May 23, 2006
Reading data provided to a remote storage device
EMC CORP57 citations96
US7000086B2Feb 14, 2006
Virtual ordered writes
EMC CORP48 citations96
US6976139B2Dec 13, 2005
Reversing a communication path between storage devices
EMC CORP41 citations96
US6862632B1Mar 1, 2005
Dynamic RDF system for transferring initial data between source and destination volume wherein data maybe restored to either volume at same time other data is written
EMC CORP47 citations96
US9037816B1May 19, 2015
Reversing a communication path between storage devices
EMC CORP25 citations93
US7577957B1Aug 18, 2009
Multiple jobs per device that are linked via a device record for servicing by different adapters
EMC CORP29 citations93
US7409470B2Aug 5, 2008
Determining configuration data in connection with dynamic RDF
EMC CORP34 citations93
US7383385B2Jun 3, 2008
Remote mirroring in a switched environment
EMC CORP25 citations93
US7383408B2Jun 3, 2008
Storage device that uses virtual ordered writes
EMC CORP28 citations93
US7380082B2May 27, 2008
Reading virtual ordered writes at local storage device
EMC CORP36 citations93
US7376651B2May 20, 2008
Virtual storage device that uses volatile memory
EMC CORP28 citations93
US7240116B2Jul 3, 2007
Dynamic RDF groups
EMC CORP25 citations93
US7197616B2Mar 27, 2007
Virtual ordered writes
EMC CORP26 citations93
US7174423B2Feb 6, 2007
Remote mirroring in a switched environment
EMC CORP25 citations93
US7024525B2Apr 4, 2006
Distributed background track processing
EMC CORP27 citations93
US6944726B2Sep 13, 2005
Distributed background track processing
EMC CORP28 citations93
US6938122B2Aug 30, 2005
Remote mirroring in a switched environment
EMC CORP29 citations93
US6910075B2Jun 21, 2005
Dynamic RDF groups
EMC CORP28 citations93
US6883018B1Apr 19, 2005
Scanning a message-list
EMC CORP26 citations93
US6701392B1Mar 2, 2004
Hierarchical approach to indentifying changing device characteristics
EMC CORP16 citations93
US6640280B1Oct 28, 2003
Obtaining data from a remote storage device using multiple jobs per device on RA
EMC CORP36 citations93
US6553464B1Apr 22, 2003
Obtaining data from a remote storage device
EMC CORP45 citations93
US7779291B2Aug 17, 2010
Four site triangular asynchronous replication
EMC CORP28 citations92
US7552282B1Jun 23, 2009
Method, computer readable medium, and data storage system for selective data replication of cached data
EMC CORP35 citations92
US7386668B2Jun 10, 2008
Handling data writes copied from a remote data storage device
EMC CORP27 citations92
US7734884B1Jun 8, 2010
Simultaneous concurrent and cascaded triangular asynchronous replication
EMC CORP19 citations83
US7680997B1Mar 16, 2010
Data recovery simulation
EMC CORP11 citations83
US7730237B1Jun 1, 2010
Flow control mechanism
EMC CORP8 citations81
US7088703B2Aug 8, 2006
Multipath multihop remote data facility
EMC CORP6 citations73
LECRONE DOUGLAS E
3 patentsEMC IP HOLDING CO LLC
3 patentsUS9753663B1Sep 5, 2017
Triangular asynchronous replication
EMC IP HOLDING CO LLC26 citations94
US9606739B1Mar 28, 2017
Virtual ordered writes for multiple storage devices
EMC IP HOLDING CO LLC26 citations93
US9652333B1May 16, 2017
Maintaining stored data consistency of a plurality of related virtual machines across a plurality of sites during migration
EMC IP HOLDING CO LLC25 citations92
MEIRI DAVID
2 patentsMARSHAK MARIK
2 patentsHALSTEAD MARK J
1 patentBHATNAGAR GAURAV MUKUL
1 patentLONGINOV VADIM
1 patentBORA BHASKAR
1 patentShowing the top 50 of 66 patents by PatentIndex Score.