Inventor · disambiguated record
David B. Petersen
Also filed as: PETERSEN DAVID · PETERSEN DAVID B · PETERSEN DAVID BRADLEY
42 granted patents·7 pending applications·1,062 citations·filing 1993–2023
98Inventor score
Top patents by PatentIndex Score
49 records- 0195US6842825B2Adjusting timestamps to preserve update timing information for cached data objectsIBM·Filed 2002·Granted Jan 11, 2005·149 cites·21 claims
- 0294US6199074B1Database backup system ensuring consistency between primary and mirrored backup database copies despite backup interruptionIBM·Filed 1999·Granted Mar 6, 2001·288 cites·44 claims
- 0393US7085956B2System and method for concurrent logical device swappingIBM·Filed 2002·Granted Aug 1, 2006·88 cites·21 claims
- 0492US9529883B2Maintaining two-site configuration for workload availability between sites at unlimited distances for products and servicesIBM·Filed 2016·Granted Dec 27, 2016·7 cites·1 claims
- 0592US7603581B2Remote copying of updates to primary and secondary storage locations subject to a copy relationshipIBM·Filed 2006·Granted Oct 13, 2009·36 cites·27 claims
- 0691US9052833B2Protection of former primary volumes in a synchronous replication relationshipIBM·Filed 2013·Granted Jun 9, 2015·14 cites·20 claims
- 0791US8027952B2System and article of manufacture for mirroring data at storage locationsIBM·Filed 2008·Granted Sep 27, 2011·21 cites·18 claims
- 0891US5345590AMethod and apparatus for cross-partition control in a partitioned process environmentIBM·Filed 1993·Granted Sep 6, 1994·208 cites·8 claims
- 0989US9195702B2Management and synchronization of batch workloads with active/active sites OLTP workloadsIBM·Filed 2013·Granted Nov 24, 2015·11 cites·12 claims
- 1089US8788772B2Maintaining mirror and storage system copies of volumes at multiple remote sitesCLAYTON NICOLAS M·Filed 2012·Granted Jul 22, 2014·13 cites·11 claims
- 1188US9465855B2Maintaining two-site configuration for workload availability between sites at unlimited distances for products and servicesIBM·Filed 2013·Granted Oct 11, 2016·7 cites·14 claims
- 1288US7043665B2Method, system, and program for handling a failover to a remote storage locationIBM·Filed 2003·Granted May 9, 2006·74 cites·30 claims
- 1387US7467168B2Method for mirroring data at storage locationsIBM·Filed 2003·Granted Dec 16, 2008·41 cites·9 claims
- 1482US10176215B2Data currency improvement for cross-site queriesIBM·Filed 2015·Granted Jan 8, 2019·5 cites·17 claims
- 1582US7627775B2Managing failures in mirrored systemsIBM·Filed 2005·Granted Dec 1, 2009·12 cites·27 claims
- 1682US6973586B2System and method for automatic dynamic address switchingIBM·Filed 2002·Granted Dec 6, 2005·43 cites·21 claims
- 1781US9317383B2Communication of conditions at a primary storage controller to a hostIBM·Filed 2015·Granted Apr 19, 2016·2 cites·18 claims
- 1881US8788768B2Maintaining mirror and storage system copies of volumes at multiple remote sitesCLAYTON NICOLAS M·Filed 2010·Granted Jul 22, 2014·6 cites·22 claims
- 1978US10474694B2Zero-data loss recovery for active-active sites configurationsIBM·Filed 2015·Granted Nov 12, 2019·3 cites·8 claims
- 2078US9703608B2Variable configurations for workload distribution across multiple sitesIBM·Filed 2013·Granted Jul 11, 2017·4 cites·5 claims
- 2178US9641449B2Variable configurations for workload distribution across multiple sitesANAYA JAIME F·Filed 2012·Granted May 2, 2017·7 cites·10 claims
- 2275US9229999B2Using average replication latency to influence routing query transactionsIBM·Filed 2013·Granted Jan 5, 2016·4 cites·20 claims
- 2375US8209282B2Method, system, and article of manufacture for mirroring data at storage locationsKERN ROBERT FREDERIC·Filed 2008·Granted Jun 26, 2012·7 cites·20 claims
- 2473US10133643B2Resynchronizing to a first storage system after a failover to a second storage system mirroring the first storage systemIBM·Filed 2015·Granted Nov 20, 2018·2 cites·22 claims
- 2569US8806268B2Communication of conditions at a primary storage controller to a hostPETERSEN DAVID B·Filed 2011·Granted Aug 12, 2014·2 cites·20 claims
- 2669US8037341B2Determining recovery time for interdependent resources in heterogeneous computing environmentIBM·Filed 2008·Granted Oct 11, 2011·4 cites·27 claims
- 2766US11249815B2Maintaining two-site configuration for workload availability between sites at unlimited distances for products and servicesIBM·Filed 2019·Granted Feb 15, 2022·0 cites·12 claims
- 2865US9582532B2Management and synchronization of batch workloads with active/active sites OLTP workloadsIBM·Filed 2014·Granted Feb 28, 2017·1 cites·8 claims
- 2964US2024157812A1Energy storage management systemTRANSP IP HOLDINGS LLC·Filed 2023·Application pending·0 cites
- 3061US9141424B2Achieving continuous availability for planned workload and site switches with no data lossIBM·Filed 2013·Granted Sep 22, 2015·1 cites·17 claims
- 3161US8751856B2Determining recovery time for interdependent resources in heterogeneous computing environmentLUMPP THOMAS·Filed 2011·Granted Jun 10, 2014·2 cites·25 claims
- 3259US10084858B2Managing continuous priority workload availability and general workload availability between sites at unlimited distances for products and servicesIBM·Filed 2017·Granted Sep 25, 2018·0 cites·1 claims
- 3359US9069712B2Communication of conditions at a primary storage controller to a hostIBM·Filed 2014·Granted Jun 30, 2015·0 cites·18 claims
- 3458US9720741B2Maintaining two-site configuration for workload availability between sites at unlimited distances for products and servicesIBM·Filed 2016·Granted Aug 1, 2017·0 cites·1 claims
- 3558US2017010922A1Maintaining two-site configuration for workload availability between sites at unlimited distances for products and servicesIBM·Filed 2016·Application pending·0 cites
- 3657US9342420B2Communication of conditions at a primary storage controller to a hostIBM·Filed 2015·Granted May 17, 2016·0 cites·15 claims
- 3756US9882980B2Managing continuous priority workload availability and general workload availability between sites at unlimited distances for products and servicesIBM·Filed 2013·Granted Jan 30, 2018·0 cites·14 claims
- 3855US10936447B2Resynchronizing to a first storage system after a failover to a second storage system mirroring the first storage systemIBM·Filed 2018·Granted Mar 2, 2021·0 cites·21 claims
- 3953US2016173597A1Managing continuous priority workload availability and general workload availability between sites at unlimited distances for products and servicesIBM·Filed 2016·Application pending·0 cites
- 4047US10482104B2Zero-data loss recovery for active-active sites configurationsIBM·Filed 2015·Granted Nov 19, 2019·0 cites·4 claims
- 4146US9251018B2Enhanced recovery of highly available computing systemsIBM·Filed 2012·Granted Feb 2, 2016·0 cites·18 claims
- 4246US2008178050A1Data backup system and method for synchronizing a replication of permanent data and temporary data in the event of an operational errorIBM·Filed 2007·Application pending·0 cites
- 4346US2021096959A1Loss free long distance active-active sites configurationIBM·Filed 2019·Application pending·0 cites
- 4446US2009055689A1Systems, methods, and computer products for coordinated disaster recoveryIBM·Filed 2007·Application pending·0 cites
- 4542US10970266B2Ensuring consistent replication of updates in databasesIBM·Filed 2017·Granted Apr 6, 2021·0 cites·8 claims
- 4641US9058304B2Continuous workload availability between sites at unlimited distancesANAYA JAIME F·Filed 2011·Granted Jun 16, 2015·0 cites·20 claims
- 4740US9047126B2Continuous availability between sites at unlimited distancesANAYA JAIME F·Filed 2011·Granted Jun 2, 2015·0 cites·16 claims
- 4840US2020026786A1Management and synchronization of batch workloads with active/active sites using proxy replication enginesIBM·Filed 2018·Application pending·0 cites
- 4939US8135982B2Parallel multiplex storage systemsPETERSEN DAVID B·Filed 2010·Granted Mar 13, 2012·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →