Inventor · disambiguated record
Ian David Judd
Also filed as: JUDD IAN D · JUDD IAN DAVID
52 granted patents·7 pending applications·1,420 citations·filing 1979–2019
98Inventor score
Top patents by PatentIndex Score
59 records- 0199US10445180B2Apparatus and method for managing data storageIBM·Filed 2018·Granted Oct 15, 2019·47 cites·17 claims
- 0297US8326897B2Apparatus and method for managing data storageBUTTERWORTH HENRY ESMOND·Filed 2008·Granted Dec 4, 2012·53 cites·28 claims
- 0395US6789143B2Infiniband work and completion queue management via head and tail circular buffers with indirect work queue entriesIBM·Filed 2001·Granted Sep 7, 2004·104 cites·37 claims
- 0494US9342423B2Selective restoration of data from non-volatile storage to volatile memoryIBM·Filed 2014·Granted May 17, 2016·22 cites·17 claims
- 0593US5768623ASystem and method for sharing multiple storage arrays by dedicating adapters as primary controller and secondary controller for arrays reside in different host computersIBM·Filed 1995·Granted Jun 16, 1998·288 cites·12 claims
- 0691US7200108B2Method and apparatus for recovery from faults in a loop networkIBM·Filed 2002·Granted Apr 3, 2007·83 cites·20 claims
- 0791US6467022B1Extending adapter memory with solid state disks in JBOD and RAID environmentsIBM·Filed 2000·Granted Oct 15, 2002·111 cites·8 claims
- 0890US6725296B2Apparatus and method for managing work and completion queues using head and tail pointersIBM·Filed 2001·Granted Apr 20, 2004·60 cites·30 claims
- 0985US4280143AMethod and means for scale-changing an array of boolean coded pointsIBM·Filed 1979·Granted Jul 21, 1981·31 cites·3 claims
- 1081US8635477B2Energy-efficient polling loopIBM·Filed 2013·Granted Jan 21, 2014·5 cites·6 claims
- 1180US6118612ADisk drive synchronizationIBM·Filed 1997·Granted Sep 12, 2000·35 cites·14 claims
- 1279US5465251ANetwork addressingIBM·Filed 1993·Granted Nov 7, 1995·99 cites·10 claims
- 1377US10257953B2Configuring a modular storage systemIBM·Filed 2013·Granted Apr 9, 2019·3 cites·19 claims
- 1477US7844643B2Storage management system with integrated continuous data protection and remote copyIBM·Filed 2007·Granted Nov 30, 2010·8 cites·21 claims
- 1576US10002049B2Apparatus and method for managing data storageIBM·Filed 2014·Granted Jun 19, 2018·2 cites·17 claims
- 1675US4375654AFacsimile vector data compressionIBM·Filed 1979·Granted Mar 1, 1983·25 cites·1 claims
- 1773US5410536AMethod of error recovery in a data communication systemIBM·Filed 1991·Granted Apr 25, 1995·76 cites·10 claims
- 1871US5893138ASystem and method for improving channel hardware performance for an array controllerIBM·Filed 1995·Granted Apr 6, 1999·60 cites·12 claims
- 1969US5958064AMultiple node dual level error recovery system and methodIBM·Filed 1997·Granted Sep 28, 1999·69 cites·24 claims
- 2067US11327843B2Apparatus and method for managing data storageIBM·Filed 2019·Granted May 10, 2022·0 cites·20 claims
- 2167US8914425B2Apparatus and method for managing data storageBUTTERWORTH HENRY ESMOND·Filed 2012·Granted Dec 16, 2014·1 cites·22 claims
- 2267US7092401B2Apparatus and method for managing work and completion queues using head and tail pointers with end-to-end context error cache for reliable datagramIBM·Filed 2001·Granted Aug 15, 2006·10 cites·33 claims
- 2364US7793062B2Copy engine and a method for data movementIBM·Filed 2008·Granted Sep 7, 2010·2 cites·22 claims
- 2464US7447856B2Copy engine and a method for data movementIBM·Filed 2006·Granted Nov 4, 2008·2 cites·13 claims
- 2563US6954882B2Method and apparatus for fault location in a loop networkIBM·Filed 2002·Granted Oct 11, 2005·8 cites·15 claims
- 2663US5933435AOptimized method of data communication and system employing sameIBM·Filed 1991·Granted Aug 3, 1999·43 cites·12 claims
- 2762US8707073B2Energy-efficient polling loopJUDD IAN D·Filed 2011·Granted Apr 22, 2014·1 cites·12 claims
- 2860US7366797B2Data storage system with shared cache address spaceIBM·Filed 2005·Granted Apr 29, 2008·1 cites·5 claims
- 2959US4604614AVideo display system employing pulse stretching to compensate for image distortionIBM·Filed 1983·Granted Aug 5, 1986·16 cites·4 claims
- 3058US7759820B2Connection error avoidance for apparatus connected to a power supplyIBM·Filed 2007·Granted Jul 20, 2010·2 cites·32 claims
- 3158US7203161B2Method and apparatus for recovery from faults in a loop networkIBM·Filed 2002·Granted Apr 10, 2007·4 cites·8 claims
- 3258US6128674AMethod of minimizing host CPU utilization in driving an adapter by residing in system memory a command/status block a soft interrupt block and a status block queueIBM·Filed 1997·Granted Oct 3, 2000·32 cites·3 claims
- 3357US11153986B2Configuring a modular storage systemIBM·Filed 2019·Granted Oct 19, 2021·0 cites·19 claims
- 3457US6038618ABypass circuit for bypassing host computer which are connected to plurality of devices via two individual ports upon detecting lack of communication at both portsIBM·Filed 1997·Granted Mar 14, 2000·40 cites·10 claims
- 3556US7136979B2Copy engine and a method for data movementIBM·Filed 2004·Granted Nov 14, 2006·4 cites·27 claims
- 3656US4463288ACathode ray tube drive circuitryIBM·Filed 1981·Granted Jul 31, 1984·11 cites·5 claims
- 3755US11089710B2Configuring a modular storage systemIBM·Filed 2019·Granted Aug 10, 2021·0 cites·16 claims
- 3854US8055804B2Data storage system with shared cache address spaceIBM·Filed 2008·Granted Nov 8, 2011·0 cites·5 claims
- 3954US7865625B2Data storage system with shared cache address spaceIBM·Filed 2008·Granted Jan 4, 2011·0 cites·5 claims
- 4053US7464322B2System and method for detecting write errors in a storage deviceIBM·Filed 2008·Granted Dec 9, 2008·0 cites·16 claims
- 4153US7380198B2System and method for detecting write errors in a storage deviceIBM·Filed 2004·Granted May 27, 2008·2 cites·8 claims
- 4252US7788523B2Method and apparatus for relating device name to physical location of device on a networkIBM·Filed 2008·Granted Aug 31, 2010·0 cites·23 claims
- 4352US4369396AColor cathode-ray tube apparatus with shadow maskIBM·Filed 1980·Granted Jan 18, 1983·9 cites·5 claims
- 4451US9043544B2Writing of new data of a first block size in a raid array that stores both parity and data in a second block sizeBENHASE MICHAEL T·Filed 2012·Granted May 26, 2015·0 cites·18 claims
- 4551US7398415B2Method and apparatus for relating device name to physical location of device on a networkIBM·Filed 2002·Granted Jul 8, 2008·1 cites·17 claims
- 4650US7518989B2Method and apparatus for recovery from faults in a loop networkIBM·Filed 2006·Granted Apr 14, 2009·0 cites·2 claims
- 4749US9043543B2Writing of new data of a first block size in a raid array that stores both parity and data in a second block sizeBENHASE MICHAEL T·Filed 2011·Granted May 26, 2015·0 cites·26 claims
- 4847US5555390AData storage method and subsystem including a device controller for respecifying an amended start addressIBM·Filed 1995·Granted Sep 10, 1996·27 cites·8 claims
- 4947US4354143AEquipment to correct aberrations of a cathode ray beamIBM·Filed 1980·Granted Oct 12, 1982·7 cites·5 claims
- 5043US2003061296A1Memory semantic storage I/OIBM·Filed 2001·Application pending·0 cites
Showing the top 50 of 59 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →