Inventor
BABA TSUNEHIKO
JP26 patents
⚠️ This page may combine multiple inventors who share the name “BABA TSUNEHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
24 patentsUS7593974B2Sep 22, 2009
Method and database system for duplicating transactions between remote sites
HITACHI LTD24 citations92
US7117393B2Oct 3, 2006
Failover method in a redundant computer system with storage devices
HITACHI LTD38 citations92
US8015431B2Sep 6, 2011
Cluster system and failover method for cluster system
HITACHI LTD13 citations84
US7992032B2Aug 2, 2011
Cluster system and failover method for cluster system
HITACHI LTD9 citations84
US7617411B2Nov 10, 2009
Cluster system and failover method for cluster system
HITACHI LTD15 citations84
US7467322B2Dec 16, 2008
Failover method in a cluster computer system
HITACHI LTD18 citations84
US7383264B2Jun 3, 2008
Data control method for duplicating data between computer systems
HITACHI LTD16 citations84
US7107481B2Sep 12, 2006
Server takeover system and method
HITACHI LTD14 citations84
US7305578B2Dec 4, 2007
Failover method in a clustered computer system
HITACHI LTD8 citations74
US7181479B2Feb 20, 2007
Method and database system for duplicating transactions between remote sites
HITACHI LTD9 citations74
US7107485B2Sep 12, 2006
Method, apparatus, and computer readable medium for managing multiple system
HITACHI LTD9 citations74
US7418627B2Aug 26, 2008
Cluster system wherein failover reset signals are sent from nodes according to their priority
HITACHI LTD8 citations73
US7937376B2May 3, 2011
Method for changing configuration of servers in a shared-nothing database system
HITACHI LTD5 citations63
US7925922B2Apr 12, 2011
Failover method and system for a computer system having clustering configuration
HITACHI LTD5 citations63
US12299157B2May 13, 2025
Policy setting control device, policy setting control method, and policy setting control program
HITACHI LTD1 citations62
US7865763B2Jan 4, 2011
Data replication method
HITACHI LTD3 citations62
US7853835B2Dec 14, 2010
Cluster system wherein failover reset signals are sent from nodes according to their priority
HITACHI LTD3 citations62
US11467752B2Oct 11, 2022
Data migration system and data migration method
HITACHI LTD1 citations60
US11520954B2Dec 6, 2022
Simulation management method, simulation system, and program
HITACHI LTD0 citations50
US11494371B2Nov 8, 2022
Computer system and data management method
HITACHI LTD0 citations50
US11106650B2Aug 31, 2021
Data selection system and data selection method
HITACHI LTD0 citations50
US11556554B2Jan 17, 2023
Distributed transaction management method and system
HITACHI LTD0 citations47
US7886181B2Feb 8, 2011
Failure recovery method in cluster system
HITACHI LTD0 citations42
US8359601B2Jan 22, 2013
Data processing method, cluster system, and data processing program
HITACHI LTD0 citations40