Inventor
LESTER ROBERT A
US43 patents
⚠️ This page may combine multiple inventors who share the name “LESTER ROBERT A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COMPAQ COMPUTER CORP
15 patentsUS6286083B1Sep 4, 2001
Computer system with adaptive memory arbitration scheme
COMPAQ COMPUTER CORP213 citations98
US6275885B1Aug 14, 2001
System and method for maintaining ownership of a processor bus while sending a programmed number of snoop cycles to the processor cache
COMPAQ COMPUTER CORP71 citations96
US6247102B1Jun 12, 2001
Computer system employing memory controller and bridge interface permitting concurrent operation
COMPAQ COMPUTER CORP68 citations96
US6202101B1Mar 13, 2001
System and method for concurrently requesting input/output and memory address space while maintaining order of data sent and returned therefrom
COMPAQ COMPUTER CORP58 citations96
US6160562ADec 12, 2000
System and method for aligning an initial cache line of data read from local memory by an input/output device
COMPAQ COMPUTER CORP73 citations96
US5774680AJun 30, 1998
Interfacing direct memory access devices to a non-ISA bus
COMPAQ COMPUTER CORP31 citations96
US5596729AJan 21, 1997
First arbiter coupled to a first bus receiving requests from devices coupled to a second bus and controlled by a second arbiter on said second bus
COMPAQ COMPUTER CORP61 citations96
US6279065B1Aug 21, 2001
Computer system with improved memory access
COMPAQ COMPUTER CORP43 citations92
US6272580B1Aug 7, 2001
Apparatus and method for dynamically elevating a lower level bus master to an upper level bus master within a multi-level arbitration system
COMPAQ COMPUTER CORP37 citations92
US6209052B1Mar 27, 2001
System and method for suppressing processor cycles to memory until after a peripheral device write cycle is acknowledged by the memory arbiter
COMPAQ COMPUTER CORP23 citations92
US6088517AJul 11, 2000
Interfacing direct memory access devices to a non-ISA bus
COMPAQ COMPUTER CORP20 citations92
US5603050AFeb 11, 1997
Direct memory access controller having programmable timing
COMPAQ COMPUTER CORP30 citations92
US6249847B1Jun 19, 2001
Computer system with synchronous memory arbiter that permits asynchronous memory requests
COMPAQ COMPUTER CORP17 citations84
US6199118B1Mar 6, 2001
System and method for aligning an initial cache line of data read from an input/output device by a central processing unit
COMPAQ COMPUTER CORP15 citations84
US6216190B1Apr 10, 2001
System and method for optimally deferring or retrying a cycle upon a processor bus that is destined for a peripheral bus
COMPAQ COMPUTER CORP12 citations74
HEWLETT PACKARD DEVELOPMENT CO
14 patentsUS7010652B2Mar 7, 2006
Method for supporting multi-level striping of non-homogeneous memory to maximize concurrency
HEWLETT PACKARD DEVELOPMENT CO136 citations99
US6785785B2Aug 31, 2004
Method for supporting multi-level stripping of non-homogeneous memory to maximize concurrency
HEWLETT PACKARD DEVELOPMENT CO140 citations99
US6832340B2Dec 14, 2004
Real-time hardware memory scrubbing
HEWLETT PACKARD DEVELOPMENT CO90 citations98
US6854070B2Feb 8, 2005
Hot-upgrade/hot-add memory
HEWLETT PACKARD DEVELOPMENT CO75 citations97
US6766469B2Jul 20, 2004
Hot-replace of memory
HEWLETT PACKARD DEVELOPMENT CO139 citations97
US6785835B2Aug 31, 2004
Raid memory
HEWLETT PACKARD DEVELOPMENT CO47 citations96
US6823424B2Nov 23, 2004
Rebuild bus utilization
HEWLETT PACKARD DEVELOPMENT CO48 citations92
US6640282B2Oct 28, 2003
Hot replace power control sequence logic
HEWLETT PACKARD DEVELOPMENT CO25 citations92
US7320086B2Jan 15, 2008
Error indication in a raid memory system
HEWLETT PACKARD DEVELOPMENT CO41 citations91
US7028213B2Apr 11, 2006
Error indication in a raid memory system
HEWLETT PACKARD DEVELOPMENT CO36 citations91
US6981095B1Dec 27, 2005
Hot replace power control sequence logic
HEWLETT PACKARD DEVELOPMENT CO12 citations84
US7447943B2Nov 4, 2008
Handling memory errors in response to adding new memory to a system
HEWLETT PACKARD DEVELOPMENT CO13 citations79
US6961800B2Nov 1, 2005
Method for improving processor performance
HEWLETT PACKARD DEVELOPMENT CO2 citations60
US7120758B2Oct 10, 2006
Technique for improving processor performance
HEWLETT PACKARD DEVELOPMENT CO4 citations58
WESTERN ATLAS INT INC
7 patentsUS5452761ASep 26, 1995
Synchronized digital stacking method and application to induction logging tools
WESTERN ATLAS INT INC188 citations96
US5229553AJul 20, 1993
Acoustic isolator for a borehole logging tool
WESTERN ATLAS INT INC68 citations95
US4805156AFeb 14, 1989
System for acoustically determining the quality of the cement bond in a cased borehole
WESTERN ATLAS INT INC80 citations94
US6176344B1Jan 23, 2001
Method and system for determining the azimuth position and distance of a reflecting subsurface formation
WESTERN ATLAS INT INC37 citations93
US5357481AOct 18, 1994
Borehole logging tool
WESTERN ATLAS INT INC59 citations92
US5731550AMar 24, 1998
Acoustic dipole well logging instrument
WESTERN ATLAS INT INC28 citations88
US5467019ANov 14, 1995
Method and apparatus for balancing the electrical output of the receiver coils of an induction logging tool by use of a slidable magnetic rod for eliminating direct coupling
WESTERN ATLAS INT INC14 citations72
COMPAQ INFORMATION TECHNOLOGIE
2 patentsUS6505260B2Jan 7, 2003
Computer system with adaptive memory arbitration scheme
COMPAQ INFORMATION TECHNOLOGIE34 citations92
US6356972B1Mar 12, 2002
System and method for concurrently requesting input/output and memory address space while maintaining order of data sent and returned therefrom
COMPAQ INFORMATION TECHNOLOGIE34 citations92