Inventor
TAKAMOTO KENICHI
JP67 patents
⚠️ This page may combine multiple inventors who share the name “TAKAMOTO KENICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
49 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
US6583947B1Jun 24, 2003
Disk array unit
HITACHI LTD121 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
US7222194B2May 22, 2007
Backup system
HITACHI LTD95 citations98
US6851020B2Feb 1, 2005
Storage subsystem that connects fiber channel and supports online backup
HITACHI LTD122 citations98
US6606695B2Aug 12, 2003
Method and apparatus for controlling access to storage device
HITACHI LTD99 citations97
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
US6826005B2Nov 30, 2004
Disk array unit
HITACHI LTD40 citations96
US6772287B2Aug 3, 2004
Storage control unit and storage system
HITACHI LTD53 citations96
US6609180B2Aug 19, 2003
Fiber channel connection storage controller
HITACHI LTD56 citations96
US6968434B2Nov 22, 2005
Method and apparatus for controlling access to storage device
HITACHI LTD32 citations95
US5606529AFeb 25, 1997
Semiconductor disk storage
HITACHI LTD72 citations95
US7386552B2Jun 10, 2008
Methods of migrating data between storage apparatuses
HITACHI LTD39 citations93
US7216148B2May 8, 2007
Storage system having a plurality of controllers
HITACHI LTD34 citations93
US7072986B2Jul 4, 2006
System and method for displaying storage system topology
HITACHI LTD39 citations93
US6931567B2Aug 16, 2005
Storage system
HITACHI LTD40 citations93
US6880059B2Apr 12, 2005
Dual controller system for dynamically allocating control of disks
HITACHI LTD34 citations93
US6795934B2Sep 21, 2004
Storage subsystem and information processing system
HITACHI LTD31 citations93
US6408358B1Jun 18, 2002
Storage control unit and storage system
HITACHI LTD40 citations93
US7558056B2Jul 7, 2009
Disk array device
HITACHI LTD15 citations92
US7383380B2Jun 3, 2008
Array-type disk apparatus preventing lost data and providing improved failure tolerance
HITACHI LTD17 citations92
US7353406B2Apr 1, 2008
Disk array optimizing the drive operation time
HITACHI LTD17 citations92
US6959344B2Oct 25, 2005
Method and apparatus for storage system
HITACHI LTD25 citations92
US6889286B2May 3, 2005
Storage control unit and method for handling data storage system using thereof
HITACHI LTD17 citations92
US5546348AAug 13, 1996
Semiconductor disc storage
HITACHI LTD20 citations92
US7352571B2Apr 1, 2008
Disk array device
HITACHI LTD16 citations91
US7130978B2Oct 31, 2006
Method and apparatus for controlling access to storage device
HITACHI LTD16 citations91
US6763438B2Jul 13, 2004
Load balancing storage system
HITACHI LTD22 citations91
US7464291B2Dec 9, 2008
Storage subsystem and information processing system
HITACHI LTD10 citations84
US7441029B2Oct 21, 2008
Storage system managing data through a wide area network
HITACHI LTD11 citations84
US7246262B2Jul 17, 2007
Storage subsystem and information processing system
HITACHI LTD13 citations84
US6950920B1Sep 27, 2005
Dual controller system for dynamically allocating control of disk units
HITACHI LTD13 citations84
US6993625B2Jan 31, 2006
Load balancing storage system
HITACHI LTD12 citations82
US6374269B1Apr 16, 2002
Storage sub-system having expanded data read
HITACHI LTD12 citations82
US7831687B2Nov 9, 2010
Storage system managing data through a wide area network
HITACHI LTD6 citations74
US7757042B2Jul 13, 2010
Array-type disk apparatus preventing lost data and providing improved failure tolerance
HITACHI LTD5 citations74
US7606984B2Oct 20, 2009
Fiber channel connection storage controller
HITACHI LTD2 citations74
US7554758B2Jun 30, 2009
Disk array unit
HITACHI LTD5 citations74
US7409508B2Aug 5, 2008
Disk array system capable of taking over volumes between controllers
HITACHI LTD5 citations74
US7355806B2Apr 8, 2008
Disk array unit
HITACHI LTD7 citations74
US7260656B2Aug 21, 2007
Storage system having a plurality of controllers
HITACHI LTD8 citations74
US6947240B2Sep 20, 2005
Disk array unit
HITACHI LTD9 citations74
US6877110B2Apr 5, 2005
Disk array system
HITACHI LTD8 citations74
US7120016B2Oct 10, 2006
Disk array device
HITACHI LTD7 citations73
SANADA AKEMI
1 patentShowing the top 50 of 67 patents by PatentIndex Score.