Inventor · disambiguated record
Hirotaka Nakagawa
Also filed as: NAKAGAWA HIROTAKA
35 granted patents·12 pending applications·153 citations·filing 1983–2023
96Inventor score
Top patents by PatentIndex Score
47 records- 0179US7996611B2Backup data management system and backup data management methodHITACHI LTD·Filed 2008·Granted Aug 9, 2011·9 cites·16 claims
- 0278US11740823B2Storage system and storage control methodHITACHI LTD·Filed 2019·Granted Aug 29, 2023·2 cites·17 claims
- 0377US8713307B2Computer system and volume migration control method using the sameNAKAGAWA HIROTAKA·Filed 2011·Granted Apr 29, 2014·6 cites·9 claims
- 0477US8151047B2Storage system and management method thereofNAKAGAWA HIROTAKA·Filed 2008·Granted Apr 3, 2012·7 cites·8 claims
- 0570US8639775B2Computer system and its management methodNAKAGAWA HIROTAKA·Filed 2011·Granted Jan 28, 2014·3 cites·12 claims
- 0669US8452923B2Storage system and management method thereofNAKAGAWA HIROTAKA·Filed 2012·Granted May 28, 2013·2 cites·16 claims
- 0769US7249240B2Method, device and program for managing volumeHITACHI LTD·Filed 2006·Granted Jul 24, 2007·3 cites·12 claims
- 0868US9395926B2Storage system and management computerHITACHI LTD·Filed 2013·Granted Jul 19, 2016·2 cites·10 claims
- 0968US7653784B2Management computer, power supply control method and computer systemHITACHI LTD·Filed 2006·Granted Jan 26, 2010·4 cites·19 claims
- 1068US5049458AFuel cellNIPPON KOKAN KK·Filed 1989·Granted Sep 17, 1991·32 cites·18 claims
- 1168US2023344006A1Lithium-ion batteryHONDA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 1267US7260699B2Method, device and program for managing volumeHITACHI LTD·Filed 2004·Granted Aug 21, 2007·9 cites·6 claims
- 1366US9052839B2Virtual storage apparatus providing a plurality of real storage apparatusesHITACHI LTD·Filed 2013·Granted Jun 9, 2015·2 cites·7 claims
- 1466US7181516B2Method for allocating storage regions and performance guarantee method based on hints, storage device and management programHITACHI LTD·Filed 2003·Granted Feb 20, 2007·11 cites·26 claims
- 1565US8074090B2Storage system including plurality of storage apparatusesNAKAGAWA HIROTAKA·Filed 2006·Granted Dec 6, 2011·3 cites·17 claims
- 1664US4937152AFuel cellNIPPON KOKAN KK·Filed 1989·Granted Jun 26, 1990·26 cites·22 claims
- 1763US8341425B2Storage device and its control methodNAKAGAWA HIROTAKA·Filed 2009·Granted Dec 25, 2012·2 cites·8 claims
- 1863US4886547APowder manufacturing apparatus and method thereforNIPPON KOKAN KK·Filed 1987·Granted Dec 12, 1989·19 cites·77 claims
- 1962US9092158B2Computer system and its management methodHITACHI LTD·Filed 2013·Granted Jul 28, 2015·1 cites·13 claims
- 2061US8768883B2Storage apparatus and control method of the sameMORI MIOKO·Filed 2010·Granted Jul 1, 2014·2 cites·15 claims
- 2161US8499098B2Storage system and storage system communication path management methodNAKAGAWA HIROTAKA·Filed 2009·Granted Jul 30, 2013·2 cites·7 claims
- 2260US9262437B2Storage system and control method for storage systemHITACHI LTD·Filed 2013·Granted Feb 16, 2016·1 cites·12 claims
- 2356US7366867B2Computer system and storage area allocation methodHITACHI LTD·Filed 2005·Granted Apr 29, 2008·2 cites·13 claims
- 2453US11360690B2Storage device and method for erasing data of storage deviceHITACHI LTD·Filed 2019·Granted Jun 14, 2022·0 cites·15 claims
- 2552US7376746B2Method and program for disclosing and providing services on networkHITACHI LTD·Filed 2003·Granted May 20, 2008·2 cites·6 claims
- 2652US2014297984A1Storage apparatus and control method of the sameHITACHI LTD·Filed 2014·Application pending·0 cites
- 2751US11048543B2Computer system and resource access control method for securely controlling access using roles with a plurality of usersHITACHI LTD·Filed 2019·Granted Jun 29, 2021·0 cites·9 claims
- 2851US8935537B2Storage device and its control methodHITACHI LTD·Filed 2012·Granted Jan 13, 2015·0 cites·10 claims
- 2951US8074091B2Storage apparatus for power saving and achieving longest mean time between failuresNAKAGAWA HIROTAKA·Filed 2008·Granted Dec 6, 2011·0 cites·21 claims
- 3049US11880589B2Storage system and control methodHITACHI LTD·Filed 2022·Granted Jan 23, 2024·0 cites·9 claims
- 3148US2010082934A1Computer system and storage systemHITACHI LTD·Filed 2008·Application pending·0 cites
- 3248US2010036896A1Computer System and Method of Managing Backup of DataHITACHI LRD·Filed 2008·Application pending·0 cites
- 3348US2009235046A1Computer system and operation takeover methodHITACHI LTD·Filed 2008·Application pending·0 cites
- 3447US9270742B2Computer system and control method of computer systemHITACHI LTD·Filed 2013·Granted Feb 23, 2016·0 cites·12 claims
- 3547US2023318334A1Control apparatus, control method, and programHONDA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 3646US10013216B2Storage systemHITACHI LTD·Filed 2014·Granted Jul 3, 2018·0 cites·8 claims
- 3746US2024004575A1Storage system and data management method of storage systemHITACHI LTD·Filed 2023·Application pending·0 cites
- 3843US2004049588A1Access management server, method thereof, and program recording mediumHITACHI LTD·Filed 2003·Application pending·0 cites
- 3942US2016034721A1Storage system and storage system control methodHITACHI LTD·Filed 2013·Application pending·0 cites
- 4041US10762021B2Information processing system, and control method of information processing systemHITACHI LTD·Filed 2016·Granted Sep 1, 2020·0 cites·10 claims
- 4140US10761767B2Computer system and method for controlling storage apparatus that has replication direction from first logical device (in first storage) to second logical device (in second storage) and from said second logical device to third logical device (in said second storage), wherein said replication direction is reversed when second computer takes over for first computerHITACHI LTD·Filed 2016·Granted Sep 1, 2020·0 cites·8 claims
- 4238US7502907B2Method, device and program for managing volumeHITACHI LTD·Filed 2007·Granted Mar 10, 2009·0 cites·8 claims
- 4337US2012102201A1Storage apparatus and management method thereofNAKAGAWA HIROTAKA·Filed 2010·Application pending·0 cites
- 4436US2013208892A1Computer system and computer system control methodMORIGUCHI MIOKO·Filed 2012·Application pending·0 cites
- 4531US2012072693A1Computer system and method for managing the sameMORI MIOKO·Filed 2010·Application pending·0 cites
- 4628US4764209AMethod for manufacturing alloyNIPPON KOKAN KK·Filed 1987·Granted Aug 16, 1988·0 cites·15 claims
- 4722US4450018AFused flux for inclined submerged arc weldingNIPPON KOKAN KK·Filed 1983·Granted May 22, 1984·1 cites·2 claims
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