Inventor · disambiguated record
Eiju Katsuragi
Also filed as: KATSURAGI EIJU
26 granted patents·1 pending application·467 citations·filing 1997–2020
96Inventor score
Top patents by PatentIndex Score
27 records- 0196US7028216B2Disk array system and a method of avoiding failure of the disk array systemHITACHI LTD·Filed 2004·Granted Apr 11, 2006·286 cites·20 claims
- 0293US7451346B2Storage control device and data recovery method for storage control deviceHITACHI LTD·Filed 2006·Granted Nov 11, 2008·38 cites·9 claims
- 0386US8775730B2Storage apparatus and method for arranging storage areas and managing error correcting code (ECC) groupsINOUE SHINTARO·Filed 2008·Granted Jul 8, 2014·14 cites·18 claims
- 0477US7681002B2Storage controller and storage control methodHITACHI LTD·Filed 2007·Granted Mar 16, 2010·6 cites·10 claims
- 0573US7966471B2Storage controller and method for control of a data storage deviceHITACHI LTD·Filed 2008·Granted Jun 21, 2011·6 cites·8 claims
- 0673US6970973B2Disk array system having an extended load balancing functionHITACHI LTD·Filed 2003·Granted Nov 29, 2005·17 cites·12 claims
- 0771US8234542B2Storage controller and method for controlling input and output of data between a storage apparatus and a host computerKATSURAGI EIJU·Filed 2009·Granted Jul 31, 2012·6 cites·13 claims
- 0871US6269424B1Disk array device with selectable method for generating redundant dataHITACHI LTD·Filed 1997·Granted Jul 31, 2001·43 cites·6 claims
- 0970US8219774B2Storage controller and storage control methodSEKI TOSHIYA·Filed 2010·Granted Jul 10, 2012·2 cites·40 claims
- 1070US8180989B2Storage controller and storage control methodSEKI TOSHIYA·Filed 2011·Granted May 15, 2012·2 cites·22 claims
- 1170US6463505B2Disk array device with selectable method for generating redundant dataHITACHI LTD·Filed 2001·Granted Oct 8, 2002·11 cites·12 claims
- 1268US7117387B2Method and apparatus for writing data and validating data in a recording mediumHITACHI LTD·Filed 2003·Granted Oct 3, 2006·6 cites·14 claims
- 1367US7627731B2Storage apparatus and data management method using the sameHITACHI LTD·Filed 2007·Granted Dec 1, 2009·4 cites·12 claims
- 1465US8627038B2Storage controller and storage control methodSEKI TOSHIYA·Filed 2012·Granted Jan 7, 2014·1 cites·16 claims
- 1565US7814289B2Virtualization system and area allocation control methodHITACHI LTD·Filed 2006·Granted Oct 12, 2010·2 cites·15 claims
- 1665US7418622B2Storage control system and storage control methodHITACHI LTD·Filed 2005·Granted Aug 26, 2008·3 cites·12 claims
- 1764US7293068B2Method and system for storing duplicate dataHITACHI LTD·Filed 2001·Granted Nov 6, 2007·10 cites·8 claims
- 1863US9256490B2Storage apparatus, storage system, and data management methodHITACHI LTD·Filed 2013·Granted Feb 9, 2016·1 cites·10 claims
- 1963US8984352B2Storage control apparatus and control method of storage control apparatusKATSURAGI EIJU·Filed 2010·Granted Mar 17, 2015·2 cites·11 claims
- 2055US7376785B2Storage device and write access processing method for storage deviceHITACHI LTD·Filed 2004·Granted May 20, 2008·4 cites·20 claims
- 2155US2014258617A1Storage apparatus and storage area arrangement methodHITACHI LTD·Filed 2014·Application pending·0 cites
- 2254US6604172B2Disk array device with selectable method for generating redundant dataHITACHI LTD·Filed 2002·Granted Aug 5, 2003·2 cites·20 claims
- 2352US8356157B2Virtualization system and area allocation control methodHITACHI LTD·Filed 2011·Granted Jan 15, 2013·0 cites·18 claims
- 2452US6961816B2Disk array device with selectable method for generating redundant dataHITACHI LTD·Filed 2003·Granted Nov 1, 2005·1 cites·30 claims
- 2551US8032731B2Virtualization system and area allocation control methodHITACHI LTD·Filed 2010·Granted Oct 4, 2011·0 cites·15 claims
- 2649US11379327B2Storage system and rebuilding method for storage systemHITACHI LTD·Filed 2020·Granted Jul 5, 2022·0 cites·11 claims
- 2747US10846234B2Storage control system and storage control methodHITACHI LTD·Filed 2019·Granted Nov 24, 2020·0 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Eiju Katsuragi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →