Inventor · disambiguated record
Yusuke Hirakawa
Also filed as: HIRAKAWA YUSUKE
56 granted patents·1 pending application·833 citations·filing 2002–2021
99Inventor score
Top patents by PatentIndex Score
57 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
- 0396US7865678B2Remote copy system maintaining consistencyHITACHI LTD·Filed 2007·Granted Jan 4, 2011·50 cites·9 claims
- 0495US7197615B2Remote copy system maintaining consistencyHITACHI LTD·Filed 2004·Granted Mar 27, 2007·99 cites·18 claims
- 0595US7159088B2Storage system and data processing systemHITACHI LTD·Filed 2004·Granted Jan 2, 2007·85 cites·14 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
- 0988US7870093B2Storage subsystemHITACHI LTD·Filed 2008·Granted Jan 11, 2011·14 cites·10 claims
- 1087US8239344B2Data replication among storage systemsHIRAKAWA YUSUKE·Filed 2007·Granted Aug 7, 2012·12 cites·7 claims
- 1183US8495319B2Data 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
- 1282US7143254B2Remote copy systemHITACHI LTD·Filed 2006·Granted Nov 28, 2006·9 cites·33 claims
- 1381US7386755B2Backup copying and restoration processing in a storage subsystemHITACHI LTD·Filed 2004·Granted Jun 10, 2008·24 cites·20 claims
- 1480US7447855B2Data 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
- 1580US7360046B2Storage system and data management methodHITACHI LTD·Filed 2005·Granted Apr 15, 2008·15 cites·13 claims
- 1680US7152079B2Data replication among storage systemsHITACHI LTD·Filed 2003·Granted Dec 19, 2006·27 cites·34 claims
- 1778US7313663B2Storage system and data processing systemHITACHI LTD·Filed 2007·Granted Dec 25, 2007·6 cites·6 claims
- 1876US8316198B2Data processing systemHIRAKAWA YUSUKE·Filed 2012·Granted Nov 20, 2012·2 cites·15 claims
- 1976US7421435B2Data processing system and storage subsystem provided in data processing systemHITACHI LTD·Filed 2005·Granted Sep 2, 2008·5 cites·16 claims
- 2076US7343451B2Disk array device and remote copying control method for disk array deviceHITACHI LTD·Filed 2006·Granted Mar 11, 2008·8 cites·12 claims
- 2176US6922762B2Clustering storage systemHITACHI LTD·Filed 2002·Granted Jul 26, 2005·22 cites·9 claims
- 2275US8234471B2Remote copy method and remote copy systemITO RYUSUKE·Filed 2009·Granted Jul 31, 2012·5 cites·24 claims
- 2375US7437389B2Remote copy systemHITACHI LTD·Filed 2005·Granted Oct 14, 2008·7 cites·19 claims
- 2474US8566284B2Data replication among storage systemsHIRAKAWA YUSUKE·Filed 2012·Granted Oct 22, 2013·2 cites·12 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
- 2773US7240173B2Data processing systemHITACHI LTD·Filed 2006·Granted Jul 3, 2007·7 cites·4 claims
- 2872US7634626B2Remote copy systemHITACHI LTD·Filed 2004·Granted Dec 15, 2009·12 cites·10 claims
- 2969US8943025B2Data replication among storage systemsHITACHI LTD·Filed 2013·Granted Jan 27, 2015·1 cites·10 claims
- 3069US8332361B2Data processing system and storage subsystem provided in data processing systemSUZUKI TORO·Filed 2011·Granted Dec 11, 2012·3 cites·12 claims
- 3169US8250240B2Message conversion method and message conversion systemARAKAWA HIROSHI·Filed 2010·Granted Aug 21, 2012·2 cites·8 claims
- 3269US7917714B2Data processing systemHITACHI LTD·Filed 2010·Granted Mar 29, 2011·1 cites·15 claims
- 3367US8375000B2Remote copy systemHITACHI LTD·Filed 2012·Granted Feb 12, 2013·1 cites·18 claims
- 3466US7296126B2Storage system and data processing systemHITACHI LTD·Filed 2006·Granted Nov 13, 2007·2 cites·20 claims
- 3564US7725445B2Data replication among storage systemsHITACHI LTD·Filed 2004·Granted May 25, 2010·6 cites·49 claims
- 3664US7293050B2Remote copy systemHITACHI LTD·Filed 2004·Granted Nov 6, 2007·13 cites·94 claims
- 3761US7395265B2Data processing system and storage subsystem provided in data processing systemHITACHI LTD·Filed 2004·Granted Jul 1, 2008·5 cites·14 claims
- 3859US8074036B2Data 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
- 3959US7334155B2Remote copy system and remote copy methodHITACHI LTD·Filed 2006·Granted Feb 19, 2008·1 cites·21 claims
- 4058US8032726B2Remote copy systemHITACHI LTD·Filed 2008·Granted Oct 4, 2011·1 cites·8 claims
- 4158US7017007B2Disk array device and remote copying control method for disk array deviceHITACHI LTD·Filed 2004·Granted Mar 21, 2006·6 cites·17 claims
- 4257US7865682B2Remote copy systemHITACHI LTD·Filed 2009·Granted Jan 4, 2011·0 cites·8 claims
- 4357US7724599B2Remote copy systemHITACHI LTD·Filed 2004·Granted May 25, 2010·4 cites·12 claims
- 4456US7130976B2Remote copy method and remote copy system to eliminate use of excess volume for copying dataHITACHI LTD·Filed 2004·Granted Oct 31, 2006·3 cites·9 claims
- 4555US8205051B2Data processing systemHIRAKAWA YUSUKE·Filed 2011·Granted Jun 19, 2012·0 cites·15 claims
- 4655US7076621B2Storage control apparatus and storage control methodHITACHI LTD·Filed 2004·Granted Jul 11, 2006·3 cites·26 claims
- 4754US8397041B2Remote copy systemARAKAWA HIROSHI·Filed 2012·Granted Mar 12, 2013·0 cites·15 claims
- 4854US8028139B2Remote copy method and remote copy systemHITACHI LTD·Filed 2009·Granted Sep 27, 2011·0 cites·20 claims
- 4954US7590809B2Remote copy systemHITACHI LTD·Filed 2004·Granted Sep 15, 2009·3 cites·8 claims
- 5053US8176010B2Remote copy systemARAKAWA HIROSHI·Filed 2007·Granted May 8, 2012·0 cites·7 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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