P

Inventor

D ERRICO MATTHEW J

US13 patents

Patents

13 patents
US7076690B1Jul 11, 2006

Method and apparatus for managing access to volumes of storage

EMC CORP140 citations99
US6457139B1Sep 24, 2002

Method and apparatus for providing a host computer with information relating to the mapping of logical volumes within an intelligent storage system

EMC CORP216 citations99
US6449652B1Sep 10, 2002

Method and apparatus for providing secure access to a computer system resource

EMC CORP120 citations98
US6434637B1Aug 13, 2002

Method and apparatus for balancing workloads among paths in a multi-path computer system based on the state of previous I/O operations

EMC CORP167 citations98
US6314503B1Nov 6, 2001

Method and apparatus for managing the placement of data in a storage system to achieve increased system performance

EMC CORP123 citations98
US6216202B1Apr 10, 2001

Method and apparatus for managing virtual storage devices in a storage system

EMC CORP128 citations97
US6766359B1Jul 20, 2004

Method and apparatus for utilizing multiple paths in a file transfer utility employing an intermediate data storage system

EMC CORP81 citations95
US7502960B1Mar 10, 2009

Method and apparatus for managing access to volumes of storage

EMC CORP19 citations92
US6993581B1Jan 31, 2006

Method and apparatus for providing secure access to a computer system resource

EMC CORP24 citations92
US6993589B1Jan 31, 2006

Method and apparatus for providing secure access to a computer system resource

EMC CORP26 citations92
US6542944B2Apr 1, 2003

Method and apparatus for balancing workloads among paths in a multi-path computer system based on the state of previous I/O operations

EMC CORP20 citations92
US6341317B1Jan 22, 2002

Method and apparatus for managing a log of information in a computer system including an intelligent storage system

EMC CORP25 citations92
US6983330B1Jan 3, 2006

Method and apparatus for using multiple paths for processing out of band commands

EMC CORP35 citations90