Inventor · disambiguated record
Koji Iwamitsu
Also filed as: IWAMITSU KOJI
14 granted patents·3 pending applications·97 citations·filing 2003–2015
91Inventor score
Technology areasG06F
Top patents by PatentIndex Score
17 records- 0185US9235353B2Storage apparatus and management method including determination of migration of data from one storage area to another based on access frequencyHITACHI LTD·Filed 2012·Granted Jan 12, 2016·7 cites·12 claims
- 0284US7685342B2Storage control apparatus and method for controlling number of commands executed in storage control apparatusHITACHI LTD·Filed 2006·Granted Mar 23, 2010·18 cites·20 claims
- 0382US8918609B2Storage 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 areaHITACHI LTD·Filed 2014·Granted Dec 23, 2014·5 cites·10 claims
- 0479US7325117B2Storage system and storage control methodHITACHI LTD·Filed 2005·Granted Jan 29, 2008·10 cites·12 claims
- 0578US7047450B2Storage system and a method for diagnosing failure of the storage systemHITACHI LTD·Filed 2003·Granted May 16, 2006·28 cites·22 claims
- 0676US7603485B2Storage subsystem and remote copy system using said subsystemHITACHI LTD·Filed 2007·Granted Oct 13, 2009·8 cites·20 claims
- 0776US7437615B2Storage system and a method for diagnosing failure of the storage systemHITACHI LTD·Filed 2005·Granted Oct 14, 2008·8 cites·28 claims
- 0866US8521987B2Allocation and release of storage areas to virtual volumesIWAMITSU KOJI·Filed 2009·Granted Aug 27, 2013·3 cites·26 claims
- 0965US8812815B2Allocation of storage areas to a virtual volumeHITACHI LTD·Filed 2013·Granted Aug 19, 2014·1 cites·13 claims
- 1062US7849260B2Storage controller and control method thereofHITACHI LTD·Filed 2007·Granted Dec 7, 2010·3 cites·12 claims
- 1161US8930745B2Storage subsystem and data management method of storage subsystemENDO DAISUKE·Filed 2012·Granted Jan 6, 2015·1 cites·12 claims
- 1257US8650358B2Storage system providing virtual volume and electrical power saving control method including moving data and changing allocations between real and virtual storage areasIWAMITSU KOJI·Filed 2010·Granted Feb 11, 2014·1 cites·14 claims
- 1356US8108562B2Storage subsystem and remote copy system using said subsystemKOMIKADO KOUSUKE·Filed 2009·Granted Jan 31, 2012·2 cites·6 claims
- 1456US2014331008A1Controlling methods of storage control device and virtual volumesHITACHI LTD·Filed 2014·Application pending·0 cites
- 1554US8918661B2Method and apparatus for assigning storage resources to a power saving target storage pool based on either access frequency or power consumptionSHIGEMURA TAKESHI·Filed 2010·Granted Dec 23, 2014·2 cites·14 claims
- 1652US2016139855A1Storage apparatus and data management methodHITACHI LTD·Filed 2015·Application pending·0 cites
- 1748US2009259812A1Storage system and data saving methodHITACHI LTD·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →