Inventor · disambiguated record
Etsutaro Akagawa
Also filed as: AKAGAWA ETSUTARO
19 granted patents·12 pending applications·171 citations·filing 2003–2015
92Inventor score
Top patents by PatentIndex Score
31 records- 0195US7506375B2File server, file server log management system and file server log management methodHITACHI LTD·Filed 2006·Granted Mar 17, 2009·96 cites·17 claims
- 0282US7234020B2Fault notification based on volume access control informationHITACHI LTD·Filed 2003·Granted Jun 19, 2007·31 cites·10 claims
- 0376US7827178B2File server for performing cache prefetching in cooperation with search APHITACHI LTD·Filed 2008·Granted Nov 2, 2010·8 cites·19 claims
- 0472US8612495B2Computer and data management method by the computerAKAGAWA ETSUTARO·Filed 2011·Granted Dec 17, 2013·4 cites·7 claims
- 0571US7085954B2Storage system performing remote copying bypassing controllerHITACHI LTD·Filed 2003·Granted Aug 1, 2006·3 cites·15 claims
- 0667US8332600B2Storage system and method for operating storage systemITO AKIRA·Filed 2008·Granted Dec 11, 2012·4 cites·9 claims
- 0766US8407185B2Computer, its processing method, and computer systemAKAGAWA ETSUTARO·Filed 2009·Granted Mar 26, 2013·4 cites·13 claims
- 0866US7242499B2System for creating a virtual file server to provide data filesHITACHI LTD·Filed 2004·Granted Jul 10, 2007·12 cites·18 claims
- 0964US8869285B2File server, file server log management system and file server log management methodKANDA AKITSUGU·Filed 2009·Granted Oct 21, 2014·4 cites·12 claims
- 1064US8868523B2File server for migration of file and method for migrating fileHITACHI LTD·Filed 2013·Granted Oct 21, 2014·1 cites·18 claims
- 1164US7587506B2Computer system and data backup method in computer systemHITACHI LTD·Filed 2005·Granted Sep 8, 2009·3 cites·20 claims
- 1258US7921093B2Information processing apparatus and information processing methodHITACHI LTD·Filed 2008·Granted Apr 5, 2011·1 cites·11 claims
- 1350US8380764B2File control system and file control computer for use in said systemHITACHI LTD·Filed 2009·Granted Feb 19, 2013·0 cites·8 claims
- 1450US7716417B2Method and system for controlling access to tape media from a plurality of virtual computersHITACHI LTD·Filed 2006·Granted May 11, 2010·0 cites·17 claims
- 1550US2007214253A1Fault notification based on volume access control informationHITACHI LTD·Filed 2007·Application pending·0 cites
- 1649US2011035409A1Hierarchical storage system and copy control method of file for hierarchical storage systemHITACHI LTD·Filed 2009·Application pending·0 cites
- 1748US2005120279A1Storage subsystem, storage system, and communication control methodHITACHI LTD·Filed 2004·Application pending·0 cites
- 1847US9270742B2Computer system and control method of computer systemHITACHI LTD·Filed 2013·Granted Feb 23, 2016·0 cites·12 claims
- 1947US2009240899A1Storage device and method of controlling sameHITACHI LTD·Filed 2008·Application pending·0 cites
- 2046US8583611B2File server for migration of file and method for migrating fileAGETSUMA MASAKUNI·Filed 2010·Granted Nov 12, 2013·0 cites·4 claims
- 2146US2006074943A1Computer systemNAKANO TAKAHIRO·Filed 2004·Application pending·0 cites
- 2246US2008263222A1Computer system, root node, and log management method for access path conversionMATSUZAWA KEIICHI·Filed 2008·Application pending·0 cites
- 2344US2006036716A1Computer system and computer setting methodHITACHI LTD·Filed 2004·Application pending·0 cites
- 2443US2005256898A1Computer system including file sharing device and a migration methodAKAGAWA ETSUTARO·Filed 2004·Application pending·0 cites
- 2543US2007094235A1Storage system and method of controlling storage systemHITACHI LTD·Filed 2005·Application pending·0 cites
- 2642US8285749B2Computer system and recording mediumMATSUMOTO SHINYA·Filed 2010·Granted Oct 9, 2012·0 cites·14 claims
- 2741US8521693B2Storage system and its operation methodITO AKIRA·Filed 2010·Granted Aug 27, 2013·0 cites·15 claims
- 2840US2013290623A1Computer and method for controlling computerAKAGAWA ETSUTARO·Filed 2012·Application pending·0 cites
- 2939US2006225073A1Computer system, log collection method and computer program productAKAGAWA ETSUTARO·Filed 2005·Application pending·0 cites
- 3037US10409660B2Storage system and control method thereforHITACHI LTD·Filed 2015·Granted Sep 10, 2019·0 cites·9 claims
- 3133US2006190558A1Computer system and storage deviceKANDA AKITSUGU·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →