Inventor · disambiguated record
Akira Murotani
Also filed as: MUROTANI AKIRA
37 granted patents·7 pending applications·554 citations·filing 1996–2014
98Inventor score
Top patents by PatentIndex Score
44 records- 0195US7017003B2Disk array apparatus and disk array apparatus control methodHITACHI LTD·Filed 2004·Granted Mar 21, 2006·105 cites·18 claims
- 0294US6779078B2Data storage system and method of hierarchical control thereofHITACHI LTD·Filed 2001·Granted Aug 17, 2004·84 cites·5 claims
- 0391US7953942B2Storage system and operation method of storage systemHITACHI LTD·Filed 2010·Granted May 31, 2011·11 cites·5 claims
- 0487US8412986B2Storage system and control method thereofISHII KENJI·Filed 2012·Granted Apr 2, 2013·8 cites·10 claims
- 0587US7430572B2Storage control system and methodHITACHI LTD·Filed 2006·Granted Sep 30, 2008·13 cites·18 claims
- 0687US6959360B2Data storage system and method of hierarchical control thereofHITACHI LTD·Filed 2004·Granted Oct 25, 2005·39 cites·12 claims
- 0786US8161317B2Storage system and control method thereofISHII KENJI·Filed 2009·Granted Apr 17, 2012·12 cites·10 claims
- 0884US8180979B2Storage system and operation method of storage systemINNAN MASATAKA·Filed 2009·Granted May 15, 2012·10 cites·44 claims
- 0984US6412078B2External storageHITACHI LTD·Filed 2001·Granted Jun 25, 2002·30 cites·2 claims
- 1083US7870104B2Storage system and storage device archive control methodHITACHI LTD·Filed 2008·Granted Jan 11, 2011·12 cites·15 claims
- 1183US7380064B2Storage device and storage device data life cycle control methodHITACHI LTD·Filed 2005·Granted May 27, 2008·11 cites·17 claims
- 1282US7475206B2Method for hierarchical control of data migration in a storage systemHITACHI LTD·Filed 2005·Granted Jan 6, 2009·9 cites·7 claims
- 1380US7801933B2Storage control system and methodHITACHI LTD·Filed 2008·Granted Sep 21, 2010·6 cites·40 claims
- 1480US7313579B2Network storage system and handover method between plurality of network storage devicesHITACHI LTD·Filed 2004·Granted Dec 25, 2007·29 cites·14 claims
- 1578US6959344B2Method and apparatus for storage systemHITACHI LTD·Filed 2002·Granted Oct 25, 2005·25 cites·18 claims
- 1677US7558988B2Storage system and control method thereofHITACHI LTD·Filed 2006·Granted Jul 7, 2009·6 cites·14 claims
- 1776US8041682B2Storage control system and methodHITACHI LTD·Filed 2010·Granted Oct 18, 2011·5 cites·55 claims
- 1876US7035883B2Storage control system and methodHITACHI LTD·Filed 2004·Granted Apr 25, 2006·22 cites·20 claims
- 1973US8484425B2Storage system and operation method of storage system including first and second virtualization devicesINNAN MASATAKA·Filed 2011·Granted Jul 9, 2013·2 cites·21 claims
- 2072US8433686B2Storage control system and methodKEZUKA TEIKO·Filed 2011·Granted Apr 30, 2013·2 cites·28 claims
- 2172US6052795ARecovery method and system for continued I/O processing upon a controller failureHITACHI LTD·Filed 1996·Granted Apr 18, 2000·51 cites·26 claims
- 2271US7925831B2Disk array apparatus and disk array apparatus control methodHITACHI LTD·Filed 2009·Granted Apr 12, 2011·4 cites·12 claims
- 2370US8219768B2System and method for establishing a copy pair relationship between source and destination volumesNISHIBORI TATSUO·Filed 2010·Granted Jul 10, 2012·6 cites·15 claims
- 2467US8224880B2File management apparatus and method, and storage systemMUROTANI AKIRA·Filed 2009·Granted Jul 17, 2012·4 cites·5 claims
- 2567US7822928B2Storage device and storage device data life cycle control methodHITACHI LTD·Filed 2008·Granted Oct 26, 2010·3 cites·17 claims
- 2666US9369527B2File server, file server control method, and storage systemHITACHI LTD·Filed 2014·Granted Jun 14, 2016·2 cites·15 claims
- 2763US7567969B2File management apparatus and method, and storage systemHITACHI LTD·Filed 2006·Granted Jul 28, 2009·2 cites·11 claims
- 2862US7107332B2Storage controller and computer system for managing information related to connection portHITACHI LTD·Filed 2001·Granted Sep 12, 2006·8 cites·11 claims
- 2961US7987387B2File sharing system and method for storing and managing failure information based on statuses of a main control and a power supplyHITACHI LTD·Filed 2008·Granted Jul 26, 2011·2 cites·8 claims
- 3059US7047290B2Storage controller and computer system for managing information related to connection portHITACHI LTD·Filed 2001·Granted May 16, 2006·6 cites·5 claims
- 3158US7987206B2File-sharing system and method of using file-sharing system to generate single logical directory structureHITACHI LTD·Filed 2008·Granted Jul 26, 2011·1 cites·8 claims
- 3255US2013275690A1Storage system and operation method of storage systemINNAN MASATAKA·Filed 2013·Application pending·0 cites
- 3352US6321346B1External storageHITACHI LTD·Filed 1999·Granted Nov 20, 2001·18 cites·16 claims
- 3449US7577788B2Disk array apparatus and disk array apparatus control methodHITACHI LTD·Filed 2006·Granted Aug 18, 2009·0 cites·22 claims
- 3549US2006271758A1Storage system and operation method of storage systemINNAN MASATAKA·Filed 2005·Application pending·0 cites
- 3645US8812449B2Storage control system and methodKEZUKA TEIKO·Filed 2012·Granted Aug 19, 2014·0 cites·18 claims
- 3745US7013317B2Method for backup and storage systemHITACHI LTD·Filed 2002·Granted Mar 14, 2006·6 cites·5 claims
- 3845US2009083511A1Storage subsystem and storage control methodHITACHI LTD·Filed 2008·Application pending·0 cites
- 3945US2006179087A1Storage system and storage device archive control methodFUJII TETSUHIKO·Filed 2005·Application pending·0 cites
- 4044US2007204119A1Storage control device, and data migration method using storage control deviceHITACHI LTD·Filed 2006·Application pending·0 cites
- 4144US2007050526A1Storage control device and separation-type storage deviceHITACHI LTD·Filed 2005·Application pending·0 cites
- 4243US2006168415A1Storage system, controlling method thereof, and virtualizing apparatusISHII KENJI·Filed 2005·Application pending·0 cites
- 4342US8868934B2Storage system including energy saving functionHIREZAKI KATSUMI·Filed 2008·Granted Oct 21, 2014·0 cites·15 claims
- 4441US8510526B2Storage apparatus and snapshot control method of the sameMUROTANI AKIRA·Filed 2010·Granted Aug 13, 2013·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →