Inventor
HIRAKAWA YUSUKE
JP56 patents
⚠️ This page may combine multiple inventors who share the name “HIRAKAWA YUSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
38 patentsUS7167963B2Jan 23, 2007
Storage system with multiple remote site copying capability
HITACHI LTD104 citations99
US7117327B2Oct 3, 2006
Data processing system
HITACHI LTD98 citations99
US7865678B2Jan 4, 2011
Remote copy system maintaining consistency
HITACHI LTD50 citations98
US7197615B2Mar 27, 2007
Remote copy system maintaining consistency
HITACHI LTD99 citations98
US7159088B2Jan 2, 2007
Storage system and data processing system
HITACHI LTD85 citations98
US7130975B2Oct 31, 2006
Data processing system
HITACHI LTD101 citations98
US7870093B2Jan 11, 2011
Storage subsystem
HITACHI LTD14 citations93
US7386755B2Jun 10, 2008
Backup copying and restoration processing in a storage subsystem
HITACHI LTD24 citations93
US7293050B2Nov 6, 2007
Remote copy system
HITACHI LTD13 citations93
US6922762B2Jul 26, 2005
Clustering storage system
HITACHI LTD22 citations93
US7660957B2Feb 9, 2010
Data processing system
HITACHI LTD18 citations92
US7415589B2Aug 19, 2008
Data processing system with multiple storage systems
HITACHI LTD23 citations92
US7152079B2Dec 19, 2006
Data replication among storage systems
HITACHI LTD27 citations87
US7634626B2Dec 15, 2009
Remote copy system
HITACHI LTD12 citations84
US7360046B2Apr 15, 2008
Storage system and data management method
HITACHI LTD15 citations79
US7725445B2May 25, 2010
Data replication among storage systems
HITACHI LTD6 citations74
US7529901B2May 5, 2009
Storage system and data processing system
HITACHI LTD4 citations74
US7447855B2Nov 4, 2008
Data processing method providing remote copy in a system having first, second, and third storage systems
HITACHI LTD7 citations74
US7437389B2Oct 14, 2008
Remote copy system
HITACHI LTD7 citations74
US7421435B2Sep 2, 2008
Data processing system and storage subsystem provided in data processing system
HITACHI LTD5 citations74
US7395265B2Jul 1, 2008
Data processing system and storage subsystem provided in data processing system
HITACHI LTD5 citations74
US7343451B2Mar 11, 2008
Disk array device and remote copying control method for disk array device
HITACHI LTD8 citations74
US7313663B2Dec 25, 2007
Storage system and data processing system
HITACHI LTD6 citations74
US7240173B2Jul 3, 2007
Data processing system
HITACHI LTD7 citations74
US7143254B2Nov 28, 2006
Remote copy system
HITACHI LTD9 citations74
US7640411B2Dec 29, 2009
Remote copy method and remote copy system
HITACHI LTD4 citations73
US8943025B2Jan 27, 2015
Data replication among storage systems
HITACHI LTD1 citations63
US8375000B2Feb 12, 2013
Remote copy system
HITACHI LTD1 citations63
US7917714B2Mar 29, 2011
Data processing system
HITACHI LTD1 citations63
US7724599B2May 25, 2010
Remote copy system
HITACHI LTD4 citations63
US7590809B2Sep 15, 2009
Remote copy system
HITACHI LTD3 citations63
US7296126B2Nov 13, 2007
Storage system and data processing system
HITACHI LTD2 citations63
US7085788B2Aug 1, 2006
Remote copy system configured to receive both a write request including a write time and a write request not including a write time.
HITACHI LTD1 citations63
US7076621B2Jul 11, 2006
Storage control apparatus and storage control method
HITACHI LTD3 citations63
US7017007B2Mar 21, 2006
Disk array device and remote copying control method for disk array device
HITACHI LTD6 citations63
US7130976B2Oct 31, 2006
Remote copy method and remote copy system to eliminate use of excess volume for copying data
HITACHI LTD3 citations61
US8032726B2Oct 4, 2011
Remote copy system
HITACHI LTD1 citations52
US7865682B2Jan 4, 2011
Remote copy system
HITACHI LTD0 citations52
ARAKAWA HIROSHI
4 patentsUS8250240B2Aug 21, 2012
Message conversion method and message conversion system
ARAKAWA HIROSHI2 citations63
US8397041B2Mar 12, 2013
Remote copy system
ARAKAWA HIROSHI0 citations52
US8176010B2May 8, 2012
Remote copy system
ARAKAWA HIROSHI0 citations52
US8131963B2Mar 6, 2012
Remote copy system
ARAKAWA HIROSHI0 citations52
HIRAKAWA YUSUKE
3 patentsSUISHU KAZUHITO
2 patentsUS8495319B2Jul 23, 2013
Data processing system providing remote copy in a system having first, second and third storage systems and establishing first, second and third copy pairs
SUISHU KAZUHITO6 citations82
US8074036B2Dec 6, 2011
Data 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 system
SUISHU KAZUHITO1 citations60
ITO RYUSUKE
1 patentSUZUKI TORO
1 patentEGUCHI YOSHIAKI
1 patentShowing the top 50 of 56 patents by PatentIndex Score.