Inventor
BUTTERWORTH HENRY ESMOND
GB23 patents
⚠️ This page may combine multiple inventors who share the name “BUTTERWORTH HENRY ESMOND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
17 patentsUS6968351B2Nov 22, 2005
Free space collection in information storage systems
IBM226 citations99
US10445180B2Oct 15, 2019
Apparatus and method for managing data storage
IBM47 citations98
US6941420B2Sep 6, 2005
Log-structure array
IBM68 citations97
US6704839B2Mar 9, 2004
Data storage system and method of storing data
IBM144 citations97
US6996821B1Feb 7, 2006
Data processing systems and method for batching tasks of the same type in an instruction cache
IBM57 citations96
US6738863B2May 18, 2004
Method for rebuilding meta-data in a data storage system and a data storage system
IBM54 citations96
US6871272B2Mar 22, 2005
Data sorting in information storage systems
IBM47 citations92
US9189316B2Nov 17, 2015
Managing failover in clustered systems, after determining that a node has authority to make a decision on behalf of a sub-cluster
IBM7 citations84
US6993627B2Jan 31, 2006
Data storage system and a method of storing data including a multi-level cache
IBM13 citations84
US7823008B2Oct 26, 2010
Maintaining consistency in a remote copy data storage system
IBM8 citations83
US7415559B1Aug 19, 2008
Data processing systems and method for processing work items in such systems
IBM14 citations83
US6907454B1Jun 14, 2005
Data processing system with master and slave processors
IBM10 citations74
US10002049B2Jun 19, 2018
Apparatus and method for managing data storage
IBM2 citations73
US11327843B2May 10, 2022
Apparatus and method for managing data storage
IBM0 citations62
US7284105B2Oct 16, 2007
Fast and economical establishment of remote copy
IBM2 citations58
US7484051B2Jan 27, 2009
Apparatus, system and method for reliably updating a data group in a read-before-write data replication environment using a comparison file
IBM0 citations51
US9923967B2Mar 20, 2018
Storage management system for preserving consistency of remote copy data
IBM0 citations50
BUTTERWORTH HENRY ESMOND
4 patentsUS8326897B2Dec 4, 2012
Apparatus and method for managing data storage
BUTTERWORTH HENRY ESMOND53 citations97
US8572331B2Oct 29, 2013
Method for reliably updating a data group in a read-before-write data replication environment using a comparison file
BUTTERWORTH HENRY ESMOND92 citations95
US8914425B2Dec 16, 2014
Apparatus and method for managing data storage
BUTTERWORTH HENRY ESMOND1 citations62
US8321543B2Nov 27, 2012
System and method for determining weak membership in set of computer nodes
BUTTERWORTH HENRY ESMOND0 citations48