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QLOGIC CORP
US291 patents
Top patents by PatentIndex Score
US7983265B1Jul 19, 2011
Method and system for processing a network packet
QLOGIC CORP83 citations98
US7403542B1Jul 22, 2008
Method and system for processing network data packets
QLOGIC CORP181 citations98
US6401149B1Jun 4, 2002
Methods for context switching within a disk controller
QLOGIC CORP209 citations98
US7804862B1Sep 28, 2010
Token ID mechanism for network data transfer
QLOGIC CORP55 citations97
US7735099B1Jun 8, 2010
Method and system for processing network data
QLOGIC CORP58 citations97
US7515612B1Apr 7, 2009
Method and system for processing network data packets
QLOGIC CORP57 citations97
US6330626B1Dec 11, 2001
Systems and methods for a disk controller memory architecture
QLOGIC CORP129 citations97
US8898346B1Nov 25, 2014
Method and system for configuring network devices
QLOGIC CORP504 citations96
US7694047B1Apr 6, 2010
Method and system for sharing input/output devices
QLOGIC CORP56 citations96
US7594057B1Sep 22, 2009
Method and system for processing DMA requests
QLOGIC CORP58 citations96
US7577773B1Aug 18, 2009
Method and system for DMA optimization
QLOGIC CORP72 citations96
US7406092B2Jul 29, 2008
Programmable pseudo virtual lanes for fibre channel systems
QLOGIC CORP54 citations96
US7398335B2Jul 8, 2008
Method and system for DMA optimization in host bus adapters
QLOGIC CORP57 citations96
US7362702B2Apr 22, 2008
Router with routing processors and methods for virtualization
QLOGIC CORP160 citations96
US7319669B1Jan 15, 2008
Method and system for controlling packet flow in networks
QLOGIC CORP114 citations96
US7200144B2Apr 3, 2007
Router and methods using network addresses for virtualization
QLOGIC CORP416 citations96
US7197572B2Mar 27, 2007
System and method for implementing logical switches in a network system
QLOGIC CORP320 citations96
US6810440B2Oct 26, 2004
Method and apparatus for automatically transferring I/O blocks between a host system and a host adapter
QLOGIC CORP135 citations96
US6564271B2May 13, 2003
Method and apparatus for automatically transferring I/O blocks between a host system and a host adapter
QLOGIC CORP133 citations96
US5544180AAug 6, 1996
Error-tolerant byte synchronization recovery scheme
QLOGIC CORP56 citations96
US7936753B1May 3, 2011
Method and system for reliable multicast
QLOGIC CORP59 citations95
US7397768B1Jul 8, 2008
Zone management in a multi-module fibre channel switch
QLOGIC CORP62 citations95
US7292567B2Nov 6, 2007
Router and methods for distributed virtualization
QLOGIC CORP86 citations95
US7231410B1Jun 12, 2007
Revision control system for large-scale systems management
QLOGIC CORP62 citations95
US6470461B1Oct 22, 2002
Disk drive controller circuit and method for skipping defective and/or undesired sectors
QLOGIC CORP87 citations95
US5428627AJun 27, 1995
Method and apparatus for initializing an ECC circuit
QLOGIC CORP81 citations95
US7447197B2Nov 4, 2008
System and method of providing network node services
QLOGIC CORP141 citations94
US6886141B1Apr 26, 2005
Method and system for reducing congestion in computer networks
QLOGIC CORP65 citations94
US6826650B1Nov 30, 2004
Disk controller configured to perform out of order execution of write operations
QLOGIC CORP58 citations94
US6530000B1Mar 4, 2003
Methods and systems for arbitrating access to a disk controller buffer memory by allocating various amounts of times to different accessing units
QLOGIC CORP73 citations94
US6470397B1Oct 22, 2002
Systems and methods for network and I/O device drivers
QLOGIC CORP157 citations94
US7643505B1Jan 5, 2010
Method and system for real time compression and decompression
QLOGIC CORP54 citations93
US9172655B1Oct 27, 2015
Systems and methods for quality of service in networks
QLOGIC CORP20 citations92
US9172602B1Oct 27, 2015
Method and system for auto-negotiation
QLOGIC CORP21 citations92
US8351442B1Jan 8, 2013
Method and system for network communication
QLOGIC CORP33 citations92
US8351448B1Jan 8, 2013
Method and system for extended port addressing
QLOGIC CORP16 citations92
US7903557B1Mar 8, 2011
Multipathing using multiple endpoint addresses for load balancing in a network
QLOGIC CORP19 citations92
US7830919B1Nov 9, 2010
Method and system for processing network data packets
QLOGIC CORP30 citations92
US7738371B1Jun 15, 2010
Method and system for routing network packets
QLOGIC CORP22 citations92
US7688867B1Mar 30, 2010
Dual-mode network storage systems and methods
QLOGIC CORP27 citations92
US7668177B1Feb 23, 2010
Method and system for quality of service in host bus adapters
QLOGIC CORP70 citations92
US7577772B2Aug 18, 2009
Method and system for optimizing DMA channel selection
QLOGIC CORP53 citations92
US7561567B1Jul 14, 2009
Protocol to implement token ID mechanism for network data transfer
QLOGIC CORP23 citations92
US7542676B2Jun 2, 2009
Fibre channel transparent switch for mixed switch fabrics
QLOGIC CORP33 citations92
US7525983B2Apr 28, 2009
Method and system for selecting virtual lanes in fibre channel switches
QLOGIC CORP25 citations92
US7466700B2Dec 16, 2008
LUN based hard zoning in fibre channel switches
QLOGIC CORP24 citations92
US7447224B2Nov 4, 2008
Method and system for routing fibre channel frames
QLOGIC CORP29 citations92
US7430175B2Sep 30, 2008
Method and system for managing traffic in fibre channel systems
QLOGIC CORP33 citations92
US7404012B2Jul 22, 2008
System and method for dynamic link aggregation in a shared I/O subsystem
QLOGIC CORP20 citations92
US7352701B1Apr 1, 2008
Buffer to buffer credit recovery for in-line fibre channel credit extension devices
QLOGIC CORP27 citations92
Showing the top 50 of 291 patents by PatentIndex Score.