Inventor
KITSUREGAWA MASARU
JP41 patents
⚠️ This page may combine multiple inventors who share the name “KITSUREGAWA MASARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
23 patentsUS7031984B2Apr 18, 2006
Disaster recovery processing method and apparatus and storage unit for the same
HITACHI LTD64 citations98
US6928451B2Aug 9, 2005
Storage system having means for acquiring execution information of database management system
HITACHI LTD75 citations98
US7054893B2May 30, 2006
Method and apparatus for relocating data related to database management system
HITACHI LTD43 citations92
US6928450B2Aug 9, 2005
Storage apparatus acquiring static information related to database management system
HITACHI LTD31 citations92
US7734616B2Jun 8, 2010
Storage system having means for acquiring execution information of database management system
HITACHI LTD11 citations84
US7657584B2Feb 2, 2010
Reorganization method of database and a database reorganization system
HITACHI LTD16 citations84
US7039660B2May 2, 2006
Disaster recovery processing method and apparatus and storage unit for the same
HITACHI LTD14 citations84
US10853365B2Dec 1, 2020
Database management system, computer, and database management method
HITACHI LTD6 citations73
US10515078B2Dec 24, 2019
Database management apparatus, database management method, and storage medium
HITACHI LTD2 citations73
US7925633B2Apr 12, 2011
Disaster recovery system suitable for database system
HITACHI LTD6 citations63
US11636107B2Apr 25, 2023
Database management system, computer, and database management method
HITACHI LTD0 citations62
US7395371B2Jul 1, 2008
Method of controlling a database management system by changing allocation of cache memory
HITACHI LTD4 citations62
US11176092B2Nov 16, 2021
Database management system and anonymization processing method
HITACHI LTD1 citations61
US10885030B2Jan 5, 2021
Database management system and computer system having first and second query execution parts which execute database operations in parallel
HITACHI LTD1 citations61
US11709839B2Jul 25, 2023
Database system and query execution method
HITACHI LTD0 citations51
US11494383B2Nov 8, 2022
Database management system and database management method
HITACHI LTD0 citations51
US7441082B2Oct 21, 2008
Storage-device resource allocation method and storage device
HITACHI LTD1 citations51
US11061907B2Jul 13, 2021
Database management system and method
HITACHI LTD0 citations50
US11650988B2May 16, 2023
Database management system and database processing method
HITACHI LTD0 citations47
US11074271B2Jul 27, 2021
Database management system and database management method
HITACHI LTD0 citations45
US10242053B2Mar 26, 2019
Computer and data read method
HITACHI LTD0 citations42
US7421456B2Sep 2, 2008
Method and system for data processing with database reorganization for the same
HITACHI LTD0 citations42
US10747446B2Aug 18, 2020
Computer system and storage device activation control method
HITACHI LTD0 citations36
KITSUREGAWA MASARU
6 patentsUS9177027B2Nov 3, 2015
Database management system and method
KITSUREGAWA MASARU6 citations83
US8224812B2Jul 17, 2012
Database management system and method
KITSUREGAWA MASARU4 citations73
US9959313B2May 1, 2018
Database management system and method capable of dynamically issuing inputs/outputs and executing operations in parallel
KITSUREGAWA MASARU2 citations72
US8041707B2Oct 18, 2011
Database management system and method capable of dynamically generating new tasks that can be processed in parallel
KITSUREGAWA MASARU2 citations62
US7827167B2Nov 2, 2010
Database management system and method including a query executor for generating multiple tasks
KITSUREGAWA MASARU1 citations62
US5237683AAug 17, 1993
Method and apparatus for data distribution
KITSUREGAWA MASARU5 citations61
MITSUBISHI ELECTRIC CORP
4 patentsUS5603028AFeb 11, 1997
Method and apparatus for data distribution
MITSUBISHI ELECTRIC CORP19 citations83
US5079736AJan 7, 1992
High speed pipeline merge sorter with run length tuning mechanism
MITSUBISHI ELECTRIC CORP11 citations73
US5396628AMar 7, 1995
Method of and apparatus for data distribution of processing load
MITSUBISHI ELECTRIC CORP2 citations62
US5101408AMar 31, 1992
Error collection method for sorter system
MITSUBISHI ELECTRIC CORP4 citations61