Inventor
JOHNSON DAVID R
US80 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON DAVID R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNISYS CORP
12 patentsUS6789251B1Sep 7, 2004
System and method for managing a suite of data management tools
UNISYS CORP76 citations98
US6453312B1Sep 17, 2002
System and method for developing a selectably-expandable concept-based search
UNISYS CORP342 citations98
US6427230B1Jul 30, 2002
System and method for defining and managing reusable groups software constructs within an object management system
UNISYS CORP468 citations98
US6226792B1May 1, 2001
Object management system supporting the use of application domain knowledge mapped to technology domain knowledge
UNISYS CORP334 citations98
US6785882B1Aug 31, 2004
Process-driven tool interface for an object management system
UNISYS CORP89 citations96
US6247064B1Jun 12, 2001
Enqueue instruction in a system architecture for improved message passing and process synchronization
UNISYS CORP58 citations96
US5659794AAug 19, 1997
System architecture for improved network input/output processing
UNISYS CORP122 citations96
US5583561ADec 10, 1996
Multi-cast digital video data server using synchronization groups
UNISYS CORP807 citations96
US6324681B1Nov 27, 2001
Automated development system for developing applications that interface with both distributed component object model (DCOM) and enterprise server environments
UNISYS CORP115 citations95
US6029205AFeb 22, 2000
System architecture for improved message passing and process synchronization between concurrently executing processes
UNISYS CORP121 citations95
US5602998AFeb 11, 1997
Dequeue instruction in a system architecture for improved message passing and process synchronization
UNISYS CORP25 citations92
US5555396ASep 10, 1996
Hierarchical queuing in a system architecture for improved message passing and process synchronization
UNISYS CORP55 citations92
CHEVRON USA INC
7 patentsUS6605206B1Aug 12, 2003
Process for increasing the yield of lubricating base oil from a Fischer-Tropsch plant
CHEVRON USA INC58 citations95
US6703535B2Mar 9, 2004
Process for upgrading fischer-tropsch syncrude using thermal cracking and oligomerization
CHEVRON USA INC40 citations92
US6702937B2Mar 9, 2004
Process for upgrading Fischer-Tropsch products using dewaxing and hydrofinishing
CHEVRON USA INC21 citations92
US5733440AMar 31, 1998
Catalyst, method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed
CHEVRON USA INC26 citations92
US5599440AFeb 4, 1997
Catalyst method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed
CHEVRON USA INC18 citations92
US7332073B2Feb 19, 2008
Process for removing contaminants from Fischer-Tropsch feed streams
CHEVRON USA INC10 citations84
US6700027B1Mar 2, 2004
Process for the oligomerization of olefins in Fischer-Tropsch condensate using chromium catalyst and high temperature
CHEVRON USA INC17 citations83
MICRON TECHNOLOGY INC
6 patentsUS6838390B2Jan 4, 2005
Method and apparatus for plasma etching a wafer
MICRON TECHNOLOGY INC32 citations92
US6080272AJun 27, 2000
Method and apparatus for plasma etching a wafer
MICRON TECHNOLOGY INC17 citations92
US6256094B1Jul 3, 2001
Method and apparatus for automated, in situ material detection using filtered fluoresced, reflected, or absorbed light
MICRON TECHNOLOGY INC15 citations90
US6179448B1Jan 30, 2001
Automated light tuner
MICRON TECHNOLOGY INC26 citations90
US5969805AOct 19, 1999
Method and apparatus employing external light source for endpoint detection
MICRON TECHNOLOGY INC22 citations90
US6509960B2Jan 21, 2003
Method and apparatus employing external light source for endpoint detection
MICRON TECHNOLOGY INC21 citations88
MICROSOFT CORP
3 patentsCHEVRON RES
2 patentsNEWELL OPERATING CO
2 patentsCORIUM INT INC
2 patentsINTEL CORP
2 patentsDOW CHEMICAL CO
2 patentsRAIN BIRD CORP
2 patentsCHEVRON RES & TECH
1 patent(unassigned)
1 patentJOHNSON DAVID R
1 patentECOLAB INC
1 patentUNIV NEW MEXICO
1 patentWATKINS JOHNSON CO
1 patentUNIV MINNESOTA
1 patentEDWARDSON DAVID JOHN
1 patentCADENT INC
1 patentARRIS INT INC
1 patentShowing the top 50 of 80 patents by PatentIndex Score.