Inventor
IWASAKI HIDEHIKO
JP32 patents
⚠️ This page may combine multiple inventors who share the name “IWASAKI HIDEHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
30 patentsUS6877073B2Apr 5, 2005
Fiber channel connection storage controller
HITACHI LTD85 citations99
US6742090B2May 25, 2004
Fiber channel connection storage controller
HITACHI LTD90 citations99
US6728844B2Apr 27, 2004
Method for preventing unauthorized access to storage volumes
HITACHI LTD81 citations99
US6523096B2Feb 18, 2003
Apparatus for and method of accessing a storage region across a network
HITACHI LTD173 citations99
US6507896B2Jan 14, 2003
Protocol for use in accessing a storage region across a network
HITACHI LTD94 citations99
US6484245B1Nov 19, 2002
Apparatus for and method of accessing a storage region across a network
HITACHI LTD215 citations99
US5819054AOct 6, 1998
Storage system realizing scalability and fault tolerance
HITACHI LTD159 citations99
US6535964B2Mar 18, 2003
Fiber channel connection storage controller
HITACHI LTD62 citations97
US6480934B1Nov 12, 2002
Storage control unit and method for handling data storage system using thereof
HITACHI LTD107 citations97
US6609180B2Aug 19, 2003
Fiber channel connection storage controller
HITACHI LTD56 citations96
US6052795AApr 18, 2000
Recovery method and system for continued I/O processing upon a controller failure
HITACHI LTD51 citations96
US6012119AJan 4, 2000
Storage system
HITACHI LTD31 citations96
US6412078B2Jun 25, 2002
External storage
HITACHI LTD30 citations93
US6321346B1Nov 20, 2001
External storage
HITACHI LTD18 citations93
US7558056B2Jul 7, 2009
Disk array device
HITACHI LTD15 citations92
US6889286B2May 3, 2005
Storage control unit and method for handling data storage system using thereof
HITACHI LTD17 citations92
US6578100B1Jun 10, 2003
Storage system having plural buses
HITACHI LTD16 citations92
US6094728AJul 25, 2000
Independent error detection method/apparatus for a disk controller, and a disk controller device
HITACHI LTD22 citations92
US7352571B2Apr 1, 2008
Disk array device
HITACHI LTD16 citations91
US6057974AMay 2, 2000
Magnetic disk storage device control method, disk array system control method and disk array system
HITACHI LTD34 citations91
US7606984B2Oct 20, 2009
Fiber channel connection storage controller
HITACHI LTD2 citations74
US7444467B2Oct 28, 2008
Storage system having a semiconductor memory device which stores data and parity data permanently
HITACHI LTD4 citations74
US7120738B2Oct 10, 2006
Storage system having data format conversion function
HITACHI LTD9 citations74
US6877110B2Apr 5, 2005
Disk array system
HITACHI LTD8 citations74
US6581128B2Jun 17, 2003
Storage system
HITACHI LTD8 citations74
US7120016B2Oct 10, 2006
Disk array device
HITACHI LTD7 citations73
US6950304B2Sep 27, 2005
Disk array device
HITACHI LTD10 citations73
US6496318B1Dec 17, 2002
Magnetic disk storage device control method, disk array system control method and disk array system
HITACHI LTD8 citations72
US5530830AJun 25, 1996
Disk array system
HITACHI LTD16 citations70
US7876557B2Jan 25, 2011
Disk array device
HITACHI LTD3 citations62