Inventor
IWAMITSU KOJI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “IWAMITSU KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
9 patentsUS7047450B2May 16, 2006
Storage system and a method for diagnosing failure of the storage system
HITACHI LTD28 citations89
US9235353B2Jan 12, 2016
Storage apparatus and management method including determination of migration of data from one storage area to another based on access frequency
HITACHI LTD7 citations84
US7325117B2Jan 29, 2008
Storage system and storage control method
HITACHI LTD10 citations83
US7603485B2Oct 13, 2009
Storage subsystem and remote copy system using said subsystem
HITACHI LTD8 citations82
US7685342B2Mar 23, 2010
Storage control apparatus and method for controlling number of commands executed in storage control apparatus
HITACHI LTD18 citations81
US8918609B2Dec 23, 2014
Storage apparatus and data management method to determine whether to migrate data from a first storage device to a second storage device based on an access frequency of a particular logical area
HITACHI LTD5 citations73
US7437615B2Oct 14, 2008
Storage system and a method for diagnosing failure of the storage system
HITACHI LTD8 citations70
US7849260B2Dec 7, 2010
Storage controller and control method thereof
HITACHI LTD3 citations61
US8812815B2Aug 19, 2014
Allocation of storage areas to a virtual volume
HITACHI LTD1 citations51
IWAMITSU KOJI
2 patentsUS8521987B2Aug 27, 2013
Allocation and release of storage areas to virtual volumes
IWAMITSU KOJI3 citations59
US8650358B2Feb 11, 2014
Storage system providing virtual volume and electrical power saving control method including moving data and changing allocations between real and virtual storage areas
IWAMITSU KOJI1 citations48