Inventor · disambiguated record
Stephen J. Sicola
Also filed as: SICOLA STEPHEN · SICOLA STEPHEN J
50 granted patents·5 pending applications·3,694 citations·filing 1994–2020
99Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO28DIGITAL EQUIPMENT CORP7SEAGATE TECHNOLOGY LLC7FORMULUS BLACK CORP4COMPAQ COMPUTER CORP3
Top patents by PatentIndex Score
55 records- 0199US6643795B1Controller-based bi-directional remote copy system with storage site failover capabilityHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Nov 4, 2003·428 cites·17 claims
- 0298US6658540B1Method for transaction command ordering in a remote data replication systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Dec 2, 2003·182 cites·5 claims
- 0396US7111189B1Method for transaction log failover merging during asynchronous operations in a data storage networkHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Sep 19, 2006·156 cites·14 claims
- 0496US7032131B2System and method for ensuring merge completion in a storage area networkHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Apr 18, 2006·138 cites·9 claims
- 0596US6947981B2Flexible data replication mechanismHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Sep 20, 2005·173 cites·8 claims
- 0696US6880052B2Storage area network, data replication and storage controller, and method for replicating data using virtualized volumesHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Apr 12, 2005·141 cites·20 claims
- 0796US6658590B1Controller-based transaction logging system for data recovery in a storage area networkHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Dec 2, 2003·182 cites·16 claims
- 0896US6629264B1Controller-based remote copy system with logical unit groupingHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Sep 30, 2003·183 cites·10 claims
- 0996US6618794B1System for generating a point-in-time copy of data in a data storage systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Sep 9, 2003·177 cites·20 claims
- 1096US6601187B1System for data replication using redundant pairs of storage controllers, fibre channel fabrics and links therebetweenHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Jul 29, 2003·174 cites·16 claims
- 1195US7007042B2System and method for automatic site failover in a storage area networkHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Feb 28, 2006·108 cites·8 claims
- 1295US5790775AHost transparent storage controller failover/failback of SCSI targets and associated unitsDIGITAL EQUIPMENT CORP·Filed 1995·Granted Aug 4, 1998·362 cites·4 claims
- 1392US7149769B2System and method for multi-destination merge in a storage area networkHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Dec 12, 2006·86 cites·12 claims
- 1491US7058848B2Controller-based remote copy system with logical unit groupingHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jun 6, 2006·68 cites·20 claims
- 1589US7542987B2Automatic site failoverHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Jun 2, 2009·19 cites·9 claims
- 1688US6934826B2System and method for dynamically allocating memory and managing memory allocated to logging in a storage area networkHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Aug 23, 2005·54 cites·11 claims
- 1788US6279078B1Apparatus and method for synchronizing a cache mode in a dual controller, dual cache memory system operating in a plurality of cache modesCOMPAQ COMPUTER CORP·Filed 1996·Granted Aug 21, 2001·155 cites·8 claims
- 1887US6996672B2System and method for active-active data replicationHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Feb 7, 2006·51 cites·21 claims
- 1987US6928513B2System and method for managing data logging memory in a storage area networkHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Aug 9, 2005·49 cites·18 claims
- 2084US6571324B1Warmswap of failed memory modules and data reconstruction in a mirrored writeback cache systemHEWLETT PACKARD DEVELOPMENT CO·Filed 1997·Granted May 27, 2003·58 cites·11 claims
- 2184US5974506AEnabling mirror, nonmirror and partial mirror cache modes in a dual cache systemDIGITAL EQUIPMENT CORP·Filed 1996·Granted Oct 26, 1999·120 cites·16 claims
- 2283US6161192ARaid array data storage system with storage device consistency bits and raidset consistency bitsCOMPAQ COMPUTER CORP·Filed 1995·Granted Dec 12, 2000·114 cites·20 claims
- 2381US8024602B2Multipath redundant storage system architecture and methodSEAGATE TECHNOLOGY LLC·Filed 2008·Granted Sep 20, 2011·10 cites·18 claims
- 2481US7350046B2Managed reliability storage system and method monitoring storage conditionsSEAGATE TECHNOLOGY LLC·Filed 2004·Granted Mar 25, 2008·30 cites·29 claims
- 2580US6912599B2Method and apparatus for sensing positions of device enclosures within multi-shelf cabinetsHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Jun 28, 2005·20 cites·21 claims
- 2679US7984258B2Distributed storage system with global sparingSEAGATE TECHNOLOGY LLC·Filed 2006·Granted Jul 19, 2011·9 cites·20 claims
- 2779US6889345B2System and method for locating a failed storage device in a data storage systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted May 3, 2005·32 cites·13 claims
- 2878US10725853B2Systems and methods for memory failure prevention, management, and mitigationFORMULUS BLACK CORP·Filed 2019·Granted Jul 28, 2020·6 cites·20 claims
- 2977US10572186B2Random access memory (RAM)-based computer systems, devices, and methodsFORMULUS BLACK CORP·Filed 2018·Granted Feb 25, 2020·3 cites·20 claims
- 3074US7356644B2Apparatus and method for providing very large virtual storage volumes using redundant arrays of disksHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Apr 8, 2008·7 cites·16 claims
- 3174US5826001AReconstructing data blocks in a raid array data storage system having storage device metadata and raid set metadataDIGITAL EQUIPMENT CORP·Filed 1995·Granted Oct 20, 1998·72 cites·10 claims
- 3273US7542986B2System and method for maintaining order for a replicated multi-unit I/O streamHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Jun 2, 2009·17 cites·12 claims
- 3372US9110731B1Hard allocation of resources partitioningSICOLA STEPHEN J·Filed 2012·Granted Aug 18, 2015·5 cites·19 claims
- 3471US6356979B1System and method for selectively presenting logical storage units to multiple host operating systems in a networked computing systemCOMPAQ COMPUTER CORP·Filed 1999·Granted Mar 12, 2002·58 cites·17 claims
- 3570US7000069B2Apparatus and method for providing very large virtual storage volumes using redundant arrays of disksHEWLETT PACKARD DEVELOPMENT CO·Filed 1999·Granted Feb 14, 2006·55 cites·19 claims
- 3669US7137032B2System and method for ensuring merge completion in a storage area networkHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Nov 14, 2006·3 cites·32 claims
- 3769US5461588AMemory testing with preservation of in-use dataDIGITAL EQUIPMENT CORP·Filed 1994·Granted Oct 24, 1995·30 cites·2 claims
- 3868US6996691B2Method for transaction command ordering in a remote data replication systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Feb 7, 2006·11 cites·4 claims
- 3968US6988136B2Unified management system and method for multi-cabinet data storage complexesHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Jan 17, 2006·16 cites·30 claims
- 4067US7886298B2Data transfer protocol for data replication between multiple pairs of storage controllers on a san fabricHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Feb 8, 2011·9 cites·2 claims
- 4167US5479413AMethod for testing large memory arrays during system initializationDIGITAL EQUIPMENT CORP·Filed 1994·Granted Dec 26, 1995·28 cites·5 claims
- 4266US9164686B2Virtual storage space with cyclical wrapping grid functionLUBBERS CLARK EDWARD·Filed 2007·Granted Oct 20, 2015·3 cites·20 claims
- 4366US7966449B2Distributed storage system with global replicationSEAGATE TECHNOLOGY LLC·Filed 2008·Granted Jun 21, 2011·2 cites·19 claims
- 4466US6920511B2Method and apparatus for controlling communications in data storage complexesHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Jul 19, 2005·14 cites·31 claims
- 4564US7644228B2Distributed storage system with global replicationSEAGATE TECHNOLOGY LLC·Filed 2006·Granted Jan 5, 2010·2 cites·19 claims
- 4663US7913038B2Distributed storage system with accelerated stripingSEAGATE TECHNOLOGY LLC·Filed 2006·Granted Mar 22, 2011·2 cites·16 claims
- 4761US5933592APromoting device level error to raidset level error to restore redundacy in a raid array data storage systemDIGITAL EQUIPMENT CORP·Filed 1995·Granted Aug 3, 1999·40 cites·8 claims
- 4858US9645767B2Aggregating storage elements using a virtual controllerLUBBERS CLARK EDWARD·Filed 2007·Granted May 9, 2017·1 cites·14 claims
- 4951US5938776ADetection of SCSI devices at illegal locationsDIGITAL EQUIPMENT CORP·Filed 1997·Granted Aug 17, 1999·31 cites·19 claims
- 5050US2021124639A1Systems and methods for memory failure prevention, management, and mitigationFORMULUS BLACK CORP·Filed 2020·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →