Inventor · disambiguated record
David R. Johnson
Also filed as: JOHNSON DAVID · JOHNSON DAVID R · JOHNSON DAVID RANDAL
32 granted patents·3,021 citations·filing 1985–2012
98Inventor score
Top patents by PatentIndex Score
32 records- 0197US6427230B1System and method for defining and managing reusable groups software constructs within an object management systemUNISYS CORP·Filed 1998·Granted Jul 30, 2002·468 cites·24 claims
- 0297US5583561AMulti-cast digital video data server using synchronization groupsUNISYS CORP·Filed 1994·Granted Dec 10, 1996·807 cites·59 claims
- 0395US6453312B1System and method for developing a selectably-expandable concept-based searchUNISYS CORP·Filed 1998·Granted Sep 17, 2002·342 cites·37 claims
- 0494US6226792B1Object management system supporting the use of application domain knowledge mapped to technology domain knowledgeUNISYS CORP·Filed 1998·Granted May 1, 2001·334 cites·7 claims
- 0587US8823548B2Control of traffic signal phasesJOHNSON DAVID RANDAL·Filed 2010·Granted Sep 2, 2014·22 cites·21 claims
- 0685US7774322B2File transfer error handlingMICROSOFT CORP·Filed 2005·Granted Aug 10, 2010·11 cites·19 claims
- 0784US8610596B2Monitoring and diagnostics of traffic signal preemption controllersJOHNSON DAVID RANDAL·Filed 2010·Granted Dec 17, 2013·15 cites·20 claims
- 0882US7844645B2File handling for naming conflictsMICROSOFT CORP·Filed 2010·Granted Nov 30, 2010·5 cites·18 claims
- 0982US6324681B1Automated development system for developing applications that interface with both distributed component object model (DCOM) and enterprise server environmentsUNISYS CORP·Filed 1998·Granted Nov 27, 2001·115 cites·31 claims
- 1081US6029205ASystem architecture for improved message passing and process synchronization between concurrently executing processesUNISYS CORP·Filed 1997·Granted Feb 22, 2000·121 cites·48 claims
- 1181US5701316AMethod for generating an internet protocol suite checksum in a single macro instructionUNISYS CORP·Filed 1995·Granted Dec 23, 1997·131 cites·21 claims
- 1278US8830085B2Monitoring traffic signal preemptionEDWARDSON DAVID JOHN·Filed 2009·Granted Sep 9, 2014·24 cites·19 claims
- 1378US5659794ASystem architecture for improved network input/output processingUNISYS CORP·Filed 1995·Granted Aug 19, 1997·122 cites·34 claims
- 1477US6785882B1Process-driven tool interface for an object management systemUNISYS CORP·Filed 1999·Granted Aug 31, 2004·89 cites·46 claims
- 1577US6624659B1Dynamically updating impedance compensation code for input and output driversINTEL CORP·Filed 2000·Granted Sep 23, 2003·23 cites·33 claims
- 1676US8344908B2Monitoring management and presentation of preemption control data of centrally managed traffic signalsGLOBAL TRAFFIC TECHNOLOGIES LLC·Filed 2009·Granted Jan 1, 2013·13 cites·18 claims
- 1776US6789251B1System and method for managing a suite of data management toolsUNISYS CORP·Filed 1999·Granted Sep 7, 2004·76 cites·27 claims
- 1875US8325062B2Centralized management of preemption control of traffic signalsJOHNSON DAVID RANDAL·Filed 2009·Granted Dec 4, 2012·12 cites·21 claims
- 1971US6247064B1Enqueue instruction in a system architecture for improved message passing and process synchronizationUNISYS CORP·Filed 1994·Granted Jun 12, 2001·58 cites·22 claims
- 2070US5555396AHierarchical queuing in a system architecture for improved message passing and process synchronizationUNISYS CORP·Filed 1994·Granted Sep 10, 1996·55 cites·4 claims
- 2168US7624307B2Operations engine error handlingMICROSOFT CORP·Filed 2005·Granted Nov 24, 2009·4 cites·16 claims
- 2266US8972464B2File handling for naming conflictsDAVIS CHRISTOPHER S·Filed 2012·Granted Mar 3, 2015·2 cites·18 claims
- 2366US6362655B1Linear active resistor and driver circuit incorporating the sameINTEL CORP·Filed 2000·Granted Mar 26, 2002·16 cites·19 claims
- 2465US7580933B2Resource handling for taking permissionsMICROSOFT CORP·Filed 2005·Granted Aug 25, 2009·8 cites·19 claims
- 2564US6944863B1Queue bank repository and method for sharing limited queue banks in memoryUNISYS CORP·Filed 2000·Granted Sep 13, 2005·9 cites·9 claims
- 2662US5970050AAllocating communication trafficBRITISH TELECOMM·Filed 1996·Granted Oct 19, 1999·47 cites·16 claims
- 2754US5732404AFlexible expansion of virtual memory addressingUNISYS CORP·Filed 1996·Granted Mar 24, 1998·30 cites·16 claims
- 2853US5602998ADequeue instruction in a system architecture for improved message passing and process synchronizationUNISYS CORP·Filed 1994·Granted Feb 11, 1997·25 cites·8 claims
- 2948US8290997B2File handling for naming conflictsDAVIS CHRISTOPHER S·Filed 2010·Granted Oct 16, 2012·0 cites·20 claims
- 3042US6147966ARoute finding in communications networksBRITISH TELECOMM·Filed 1996·Granted Nov 14, 2000·17 cites·11 claims
- 3142US4633461ASwitching control for multiple stage time division switchAT & T INFORMATION SYSTEMS INC·Filed 1985·Granted Dec 30, 1986·10 cites·5 claims
- 3241US5734640AProtection network designBRITISH TELECOMM·Filed 1994·Granted Mar 31, 1998·10 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →