Inventor · disambiguated record
Yoshihiro Asaka
Also filed as: ASAKA YOSHIHIRO
75 granted patents·4 pending applications·1,186 citations·filing 1990–2012
99Inventor score
Top patents by PatentIndex Score
79 records- 0198US7167963B2Storage system with multiple remote site copying capabilityHITACHI LTD·Filed 2006·Granted Jan 23, 2007·104 cites·18 claims
- 0297US7117327B2Data processing systemHITACHI LTD·Filed 2004·Granted Oct 3, 2006·98 cites·19 claims
- 0395US7159088B2Storage system and data processing systemHITACHI LTD·Filed 2004·Granted Jan 2, 2007·85 cites·14 claims
- 0495US7076620B2Data processing system including storage systemsHITACHI LTD·Filed 2003·Granted Jul 11, 2006·120 cites·16 claims
- 0594US7861034B2Load distribution of multiple disksHITACHI LTD·Filed 2007·Granted Dec 28, 2010·33 cites·4 claims
- 0694US7415589B2Data processing system with multiple storage systemsHITACHI LTD·Filed 2007·Granted Aug 19, 2008·23 cites·21 claims
- 0794US7130975B2Data processing systemHITACHI LTD·Filed 2004·Granted Oct 31, 2006·101 cites·19 claims
- 0892US7660957B2Data processing systemHITACHI LTD·Filed 2008·Granted Feb 9, 2010·18 cites·14 claims
- 0989US7934065B2Computer system storing data on multiple storage systemsHITACHI LTD·Filed 2010·Granted Apr 26, 2011·10 cites·19 claims
- 1089US7512755B2Computer system storing data on multiple storage systemsHITACHI LTD·Filed 2005·Granted Mar 31, 2009·18 cites·16 claims
- 1187US7418565B2Remote e copy system and a remote copy method utilizing multiple virtualization apparatusesHITACHI LTD·Filed 2006·Granted Aug 26, 2008·16 cites·36 claims
- 1283US8495319B2Data processing system providing remote copy in a system having first, second and third storage systems and establishing first, second and third copy pairsSUISHU KAZUHITO·Filed 2011·Granted Jul 23, 2013·6 cites·18 claims
- 1382US7143254B2Remote copy systemHITACHI LTD·Filed 2006·Granted Nov 28, 2006·9 cites·33 claims
- 1481US6671767B2Storage subsystem, information processing system and method of controlling I/O interfaceHITACHI LTD·Filed 2001·Granted Dec 30, 2003·30 cites·4 claims
- 1580US7765370B2Computer system storing data on multiple storage systemsHITACHI LTD·Filed 2009·Granted Jul 27, 2010·7 cites·8 claims
- 1680US7447855B2Data processing method providing remote copy in a system having first, second, and third storage systemsHITACHI LTD·Filed 2006·Granted Nov 4, 2008·7 cites·19 claims
- 1778US7313663B2Storage system and data processing systemHITACHI LTD·Filed 2007·Granted Dec 25, 2007·6 cites·6 claims
- 1878US6728832B2Distribution of I/O requests across multiple disk unitsHITACHI LTD·Filed 2001·Granted Apr 27, 2004·19 cites·14 claims
- 1977US7373436B2Storage control device and method for management of storage control deviceHITACHI LTD·Filed 2005·Granted May 13, 2008·7 cites·18 claims
- 2076US8316198B2Data processing systemHIRAKAWA YUSUKE·Filed 2012·Granted Nov 20, 2012·2 cites·15 claims
- 2176US7421435B2Data processing system and storage subsystem provided in data processing systemHITACHI LTD·Filed 2005·Granted Sep 2, 2008·5 cites·16 claims
- 2275US8234471B2Remote copy method and remote copy systemITO RYUSUKE·Filed 2009·Granted Jul 31, 2012·5 cites·24 claims
- 2375US7487328B2Storage apparatus having virtual-to-actual device addressing schemeHITACHI LTD·Filed 2008·Granted Feb 3, 2009·5 cites·9 claims
- 2475US7437389B2Remote copy systemHITACHI LTD·Filed 2005·Granted Oct 14, 2008·7 cites·19 claims
- 2574US7640411B2Remote copy method and remote copy systemHITACHI LTD·Filed 2006·Granted Dec 29, 2009·4 cites·19 claims
- 2673US7529901B2Storage system and data processing systemHITACHI LTD·Filed 2007·Granted May 5, 2009·4 cites·19 claims
- 2773US7337299B2Storage apparatus having virtual-to-actual device addressing schemeHITACHI LTD·Filed 2004·Granted Feb 26, 2008·13 cites·10 claims
- 2873US7240173B2Data processing systemHITACHI LTD·Filed 2006·Granted Jul 3, 2007·7 cites·4 claims
- 2971US8046562B2Storage apparatus having virtual-to-actual device addressing schemeHITACHI LTD·Filed 2010·Granted Oct 25, 2011·2 cites·26 claims
- 3071US6611899B2Memory control apparatus and method for storing data in a selected cache memoryHITACHI LTD·Filed 2002·Granted Aug 26, 2003·12 cites·5 claims
- 3171US5835938ARead/write control for grouped disk storage including parallel accessHITACHI LTD·Filed 1997·Granted Nov 10, 1998·39 cites·6 claims
- 3270US7844795B2Storage apparatus having virtual-to-actual device addressing schemeHITACHI LTD·Filed 2008·Granted Nov 30, 2010·3 cites·12 claims
- 3369US8332361B2Data processing system and storage subsystem provided in data processing systemSUZUKI TORO·Filed 2011·Granted Dec 11, 2012·3 cites·12 claims
- 3469US8250240B2Message conversion method and message conversion systemARAKAWA HIROSHI·Filed 2010·Granted Aug 21, 2012·2 cites·8 claims
- 3569US7917714B2Data processing systemHITACHI LTD·Filed 2010·Granted Mar 29, 2011·1 cites·15 claims
- 3669US5257352AInput/output control method and systemHITACHI LTD·Filed 1990·Granted Oct 26, 1993·52 cites·25 claims
- 3767US8375000B2Remote copy systemHITACHI LTD·Filed 2012·Granted Feb 12, 2013·1 cites·18 claims
- 3867US6631443B1Disk storage system having capability for performing parallel read operationHITACHI LTD·Filed 2000·Granted Oct 7, 2003·8 cites·8 claims
- 3966US7296126B2Storage system and data processing systemHITACHI LTD·Filed 2006·Granted Nov 13, 2007·2 cites·20 claims
- 4066US5680574AData distribution utilizing a master disk unit for fetching and for writing to remaining disk unitsHITACHI LTD·Filed 1994·Granted Oct 21, 1997·28 cites·47 claims
- 4164US7293050B2Remote copy systemHITACHI LTD·Filed 2004·Granted Nov 6, 2007·13 cites·94 claims
- 4264US7254674B2Distribution of I/O requests across multiple disk unitsHITACHI LTD·Filed 2004·Granted Aug 7, 2007·7 cites·6 claims
- 4361US7395265B2Data processing system and storage subsystem provided in data processing systemHITACHI LTD·Filed 2004·Granted Jul 1, 2008·5 cites·14 claims
- 4461US6938125B2Storage system with data prefetch functionHITACHI LTD·Filed 2003·Granted Aug 30, 2005·4 cites·6 claims
- 4560US5987569AMemory control apparatus and method for controlling usage amounts for a plurality of cache memoriesHITACHI LTD·Filed 1996·Granted Nov 16, 1999·28 cites·6 claims
- 4659US8185765B2Storage apparatus and its power saving control methodTSUKADA MASARU·Filed 2009·Granted May 22, 2012·2 cites·11 claims
- 4759US8074036B2Data processing system having first, second and third storage systems that are arranged to be changeable between a first status and a second status in response to a predetermined condition at the first storage systemSUISHU KAZUHITO·Filed 2008·Granted Dec 6, 2011·1 cites·17 claims
- 4859US7334155B2Remote copy system and remote copy methodHITACHI LTD·Filed 2006·Granted Feb 19, 2008·1 cites·21 claims
- 4959US6434666B1Memory control apparatus and method for storing data in a selected cache memory based on whether a group or slot number is odd or evenHITACHI LTD·Filed 1999·Granted Aug 13, 2002·25 cites·3 claims
- 5059US5497472ACache control method and apparatus for storing data in a cache memory and for indicating completion of a write request irrespective of whether a record to be accessed exists in an external storage unitHITACHI LTD·Filed 1995·Granted Mar 5, 1996·26 cites·20 claims
Showing the top 50 of 79 patent records by PatentIndex Score.
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