Inventor
IWAMURA TAKASHIGE
JP62 patents
⚠️ This page may combine multiple inventors who share the name “IWAMURA TAKASHIGE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
46 patentsUS7865678B2Jan 4, 2011
Remote copy system maintaining consistency
HITACHI LTD50 citations98
US7640390B2Dec 29, 2009
Flash memory storage system
HITACHI LTD82 citations98
US7330948B2Feb 12, 2008
Method for remote copy pair migration
HITACHI LTD59 citations98
US7197615B2Mar 27, 2007
Remote copy system maintaining consistency
HITACHI LTD99 citations98
US6895483B2May 17, 2005
Method and apparatus for data relocation between storage subsystems
HITACHI LTD76 citations98
US7739540B2Jun 15, 2010
Information system, data transfer method and data protection method
HITACHI LTD40 citations96
US7802131B2Sep 21, 2010
Information system and data transfer method
HITACHI LTD18 citations93
US7650477B2Jan 19, 2010
Method for changing a remote copy pair
HITACHI LTD18 citations93
US7512755B2Mar 31, 2009
Computer system storing data on multiple storage systems
HITACHI LTD18 citations93
US7225190B2May 29, 2007
Remote copying system with consistency guaranteed between a pair
HITACHI LTD18 citations93
US7100070B2Aug 29, 2006
Computer system capable of fast failover upon failure
HITACHI LTD25 citations93
US7461226B2Dec 2, 2008
Multi-site remote-copy system
HITACHI LTD14 citations91
US7228398B2Jun 5, 2007
Multi-site remote-copy system
HITACHI LTD14 citations91
US7130974B2Oct 31, 2006
Multi-site remote-copy system
HITACHI LTD24 citations91
US8386839B2Feb 26, 2013
Information system and data transfer method
HITACHI LTD9 citations84
US7934065B2Apr 26, 2011
Computer system storing data on multiple storage systems
HITACHI LTD10 citations84
US7925914B2Apr 12, 2011
Information system, data transfer method and data protection method
HITACHI LTD7 citations84
US7634626B2Dec 15, 2009
Remote copy system
HITACHI LTD12 citations84
US7529950B2May 5, 2009
Information processing system, control method for information processing system, and storage system
HITACHI LTD9 citations84
US7472173B2Dec 30, 2008
Remote data copying among storage systems
HITACHI LTD17 citations84
US7441029B2Oct 21, 2008
Storage system managing data through a wide area network
HITACHI LTD11 citations84
US7254620B2Aug 7, 2007
Storage system
HITACHI LTD15 citations84
US7200725B2Apr 3, 2007
Storage remote copy system
HITACHI LTD10 citations84
US7404035B2Jul 22, 2008
System for controlling spinning of disk
HITACHI LTD12 citations83
US7831687B2Nov 9, 2010
Storage system managing data through a wide area network
HITACHI LTD6 citations74
US7809909B2Oct 5, 2010
Remote copy network
HITACHI LTD7 citations74
US7765370B2Jul 27, 2010
Computer system storing data on multiple storage systems
HITACHI LTD7 citations74
US7680981B2Mar 16, 2010
Virtual volume control method involving device stop
HITACHI LTD7 citations74
US7461224B2Dec 2, 2008
Remote copy system
HITACHI LTD6 citations74
US7454582B2Nov 18, 2008
Initial copy system
HITACHI LTD7 citations74
US7437389B2Oct 14, 2008
Remote copy system
HITACHI LTD7 citations74
US7305531B2Dec 4, 2007
Remote copy network
HITACHI LTD6 citations74
US7281098B2Oct 9, 2007
Computer system for remote copy
HITACHI LTD8 citations74
US7227713B2Jun 5, 2007
Storage system controlling power supply module and fan
HITACHI LTD8 citations74
US7143253B2Nov 28, 2006
Remote copy system
HITACHI LTD6 citations74
US7007147B2Feb 28, 2006
Method and apparatus for data relocation between storage subsystems
HITACHI LTD4 citations74
US7954003B2May 31, 2011
Fault management system in multistage copy configuration
HITACHI LTD6 citations73
US8924637B2Dec 30, 2014
Flash memory storage system
HITACHI LTD1 citations63
US8359426B2Jan 22, 2013
Flash memory storage system
HITACHI LTD1 citations63
US7908433B2Mar 15, 2011
Virtual volume control method involving device stop
HITACHI LTD4 citations63
US7900013B2Mar 1, 2011
Method and computer for determining storage device
HITACHI LTD2 citations63
US7899981B2Mar 1, 2011
Flash memory storage system
HITACHI LTD2 citations63
US7710680B2May 4, 2010
Storage system controlling power supply module and fan
HITACHI LTD1 citations63
US7590809B2Sep 15, 2009
Remote copy system
HITACHI LTD3 citations63
US7337292B2Feb 26, 2008
Method and apparatus for data relocation between storage subsystems
HITACHI LTD2 citations63
US7055011B2May 30, 2006
Remote copy network
HITACHI LTD4 citations63
WATANABE YASUO
1 patentAKUTSU HIROAKI
1 patentYAMAMOTO AKIRA
1 patentIWAMURA TAKASHIGE
1 patentShowing the top 50 of 62 patents by PatentIndex Score.