Inventor · disambiguated record
Vernon J. Legvold
Also filed as: LEGVOLD VERNON J · LEGVOLD VERNON JOHN
25 granted patents·1,375 citations·filing 1985–2009
97Inventor score
Files withIBM25
Top patents by PatentIndex Score
25 records- 0196US5682513ACache queue entry linking for DASD record updatesIBM·Filed 1995·Granted Oct 28, 1997·341 cites·11 claims
- 0291US7139933B2Preserving cache data against cluster rebootIBM·Filed 2003·Granted Nov 21, 2006·67 cites·29 claims
- 0391US5636359APerformance enhancement system and method for a hierarchical data cache using a RAID parity schemeIBM·Filed 1994·Granted Jun 3, 1997·177 cites·15 claims
- 0490US6983397B2Method, system, and program for error handling in a dual adaptor system where one adaptor is a masterIBM·Filed 2001·Granted Jan 3, 2006·40 cites·34 claims
- 0586US4875155APeripheral subsystem having read/write cache with record accessIBM·Filed 1985·Granted Oct 17, 1989·101 cites·15 claims
- 0686US4779189APeripheral subsystem initialization method and apparatusIBM·Filed 1985·Granted Oct 18, 1988·131 cites·7 claims
- 0784US5627990AManagement system for a hierarchical data cache employing preemptive cache track demotion and restaging to adapt to access patternsIBM·Filed 1996·Granted May 6, 1997·125 cites·17 claims
- 0882US7386760B2Method, system, and program for error handling in a dual adaptor system where one adaptor is a masterIBM·Filed 2005·Granted Jun 10, 2008·7 cites·8 claims
- 0982US5991775AMethod and system for dynamic cache allocation between record and track entriesIBM·Filed 1992·Granted Nov 23, 1999·56 cites·12 claims
- 1081US5375232AMethod and system for asynchronous pre-staging of backup copies in a data processing storage subsystemIBM·Filed 1992·Granted Dec 20, 1994·99 cites·8 claims
- 1179US7774644B2System and program for error handling in a dual adaptor system where one adaptor is a masterIBM·Filed 2009·Granted Aug 10, 2010·5 cites·4 claims
- 1278US7337355B2Method, system, and program for error handling in a dual adaptor system where one adaptor is a masterIBM·Filed 2005·Granted Feb 26, 2008·5 cites·5 claims
- 1373US7490264B2Method for error handling in a dual adaptor system where one adaptor is a masterIBM·Filed 2007·Granted Feb 10, 2009·3 cites·2 claims
- 1472US7673172B2Method, system, and program for error handling in a dual adaptor system where one adaptor is a masterIBM·Filed 2007·Granted Mar 2, 2010·3 cites·11 claims
- 1571US7085886B2Autonomic power loss recovery for a multi-cluster storage sub-systemIBM·Filed 2003·Granted Aug 1, 2006·16 cites·14 claims
- 1670US7266815B2Automated control of a licensed internal code update on a storage controllerIBM·Filed 2003·Granted Sep 4, 2007·16 cites·14 claims
- 1768US7051174B2Method, system, and program for restoring data in cacheIBM·Filed 2002·Granted May 23, 2006·23 cites·35 claims
- 1864US7661022B2System for error handling in a dual adaptor system where one adaptor is a masterIBM·Filed 2007·Granted Feb 9, 2010·1 cites·4 claims
- 1963US7392420B2Automated error recovery of a licensed internal code update on a storage controllerIBM·Filed 2003·Granted Jun 24, 2008·9 cites·4 claims
- 2057US5802547AData storage system with streamlined data exchange path to cached dataIBM·Filed 1996·Granted Sep 1, 1998·35 cites·53 claims
- 2157US5717888AAccessing cached data in a peripheral disk data storage system using a directory having track and cylinder directory entriesIBM·Filed 1995·Granted Feb 10, 1998·35 cites·24 claims
- 2256US5701429AMethod and system for maintaining concurrent data access during device upgradeIBM·Filed 1996·Granted Dec 23, 1997·36 cites·13 claims
- 2352US7565565B2Automated error recovery of a licensed internal code update on a storage controllerIBM·Filed 2008·Granted Jul 21, 2009·0 cites·12 claims
- 2450US5815656AMethod of validating memory structures in data processing systemsIBM·Filed 1992·Granted Sep 29, 1998·24 cites·14 claims
- 2546US6408348B1System, method, and program for managing I/O requests to a storage deviceIBM·Filed 1999·Granted Jun 18, 2002·20 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →