Kazutomo Ushijima

Person

Kokubunji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Index tree search method and computer
- Patent number 10,565,190
- Issue date Feb 18, 2020
- Hitachi, Ltd.
- Tomohiro Hanai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Database management system and database management method using log...
- Patent number 10,515,071
- Issue date Dec 24, 2019
- Hitachi, Ltd.
- Kazutomo Ushijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Database management system and method
- Patent number 10,366,075
- Issue date Jul 30, 2019
- Hitachi, Ltd.
- Atsushi Tomoda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Log management method and computer system
- Patent number 10,025,675
- Issue date Jul 17, 2018
- Hitachi, Ltd.
- Atsushi Tomoda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Computer system, data retrieval method and database management comp...
- Patent number 9,384,219
- Issue date Jul 5, 2016
- Hitachi, Ltd.
- Kazutomo Ushijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Database processing method, database processing system and database...
- Patent number 9,348,866
- Issue date May 24, 2016
- Hitachi, Ltd.
- Michiko Tanaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data arrangement method and data management system for improving pe...
- Patent number 9,298,394
- Issue date Mar 29, 2016
- Hitachi, Ltd.
- Seisuke Tokuda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Database processing system and method
- Patent number 8,510,316
- Issue date Aug 13, 2013
- Hitachi, Ltd.
- Akira Shimizu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Database processing method and database processing system
- Patent number 8,296,286
- Issue date Oct 23, 2012
- Hitachi, Ltd.
- Michiko Tanaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of changing system configuration in shared-nothing database...
- Patent number 8,041,685
- Issue date Oct 18, 2011
- Hitachi, Ltd.
- Daisuke Ito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Document search method and document search apparatus that use a com...
- Patent number 7,966,307
- Issue date Jun 21, 2011
- Hitachi, Ltd.
- Makoto Iwayama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Indexing method of database management system
- Patent number 7,899,851
- Issue date Mar 1, 2011
- Hitachi, Ltd.
- Daisuke Ito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Retrieval apparatus, retrieval method and retrieval program
- Patent number 7,752,216
- Issue date Jul 6, 2010
- Hitachi, Ltd.
- Kentaro Chigusa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information management system
- Patent number 7,680,813
- Issue date Mar 16, 2010
- Hitachi, Ltd.
- Kazutomo Ushijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Indexing method of database management system
- Patent number 7,617,265
- Issue date Nov 10, 2009
- Hitachi, Ltd.
- Daisuke Ito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information lifecycle managing system and its data arrangement dete...
- Patent number 7,526,509
- Issue date Apr 28, 2009
- Hitachi, Ltd.
- Kazutomo Ushijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of changing system configuration in shared-nothing database...
- Patent number 7,370,029
- Issue date May 6, 2008
- Hitachi, Ltd.
- Daisuke Ito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Database access method and system capable of concealing the content...
- Patent number 7,228,416
- Issue date Jun 5, 2007
- Hitachi, Ltd.
- Itaru Nishizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Database control method
- Patent number 7,167,854
- Issue date Jan 23, 2007
- Hitachi,Ltd.
- Frederico Buchholz Maciel
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data warehouse system and query processing method used in the syste...
- Patent number 7,111,019
- Issue date Sep 19, 2006
- Hitachi, Ltd.
- Itaru Nishizawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Integrated database system and program storage medium
- Patent number 6,898,594
- Issue date May 24, 2005
- Hitachi, Ltd.
- Kazutomo Ushijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for mining association rules with negative items
- Patent number 6,832,216
- Issue date Dec 14, 2004
- Hitachi, Ltd.
- Takahiko Shintani
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Grouping and duplicate removal method in a database
- Patent number 6,381,601
- Issue date Apr 30, 2002
- Hitachi, Ltd.
- Shinji Fujiwara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of retrieving database
- Patent number 6,014,655
- Issue date Jan 11, 2000
- Hitachi, Ltd.
- Shinji Fujiwara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Random sampling method for use in a database processing system and...
- Patent number 5,890,150
- Issue date Mar 30, 1999
- Hitachi, Ltd.
- Kazutomo Ushijima
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
COMPUTER SYSTEM AND DATABASE MANAGEMENT METHOD
- Publication number 20180081928
- Publication date Mar 22, 2018
- Hitachi, Ltd
- Kazutomo USHIJIMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LOG MANAGEMENT METHOD AND COMPUTER SYSTEM
- Publication number 20170206147
- Publication date Jul 20, 2017
- Breville Pty Limited
- Atsushi TOMODA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INDEX TREE SEARCH METHOD AND COMPUTER
- Publication number 20160203180
- Publication date Jul 14, 2016
- Hitachi, Ltd
- Tomohiro HANAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATABASE MANAGEMENT SYSTEM AND METHOD
- Publication number 20160125018
- Publication date May 5, 2016
- Hitachi, Ltd
- Atsushi TOMODA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD OF MANAGING DATABASE, MANAGEMENT COMPUTER AND STORAGE MEDIUM
- Publication number 20150310129
- Publication date Oct 29, 2015
- Hitachi, Ltd
- Kazutomo USHIJIMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COMPUTER SYSTEM, DATA RETRIEVAL METHOD AND DATABASE MANAGEMENT COMP...
- Publication number 20130159303
- Publication date Jun 20, 2013
- Hitachi, Ltd
- Kazutomo Ushijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATABASE PROCESSING METHOD, DATABASE PROCESSING SYSTEM AND DATABASE...
- Publication number 20130144867
- Publication date Jun 6, 2013
- Hitachi, Ltd
- Michiko Tanaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA ARRANGEMENT METHOD AND DATA MANAGEMENT SYSTEM
- Publication number 20120151138
- Publication date Jun 14, 2012
- Seisuke Tokuda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATABASE PROCESSING METHOD AND DATABASE PROCESSING SYSTEM
- Publication number 20100293156
- Publication date Nov 18, 2010
- Hitachi, Ltd.
- Michiko TANAKA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATABASE PROCESSING SYSTEM AND METHOD
- Publication number 20100211577
- Publication date Aug 19, 2010
- Hitachi, Ltd
- Akira SHIMIZU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INDEXING METHOD OF DATABASE MANAGEMENT SYSTEM
- Publication number 20100023480
- Publication date Jan 28, 2010
- Hitachi, Ltd
- Daisuke ITO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DOCUMENT SEARCH METHOD
- Publication number 20080306919
- Publication date Dec 11, 2008
- Makoto Iwayama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of changing system configuration in shared-nothing database...
- Publication number 20080163237
- Publication date Jul 3, 2008
- Daisuke Ito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Retrieval apparatus, retrieval method and retrieval program
- Publication number 20080154882
- Publication date Jun 26, 2008
- Hitachi, Ltd
- Kentaro Chigusa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Database access method and system capable of concealing the content...
- Publication number 20070294338
- Publication date Dec 20, 2007
- Itaru Nishizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Indexing method of database management system
- Publication number 20070016555
- Publication date Jan 18, 2007
- Daisuke Ito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Information management system
- Publication number 20060259813
- Publication date Nov 16, 2006
- Kazutomo Ushijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data warehouse system and query processing method used in the syste...
- Publication number 20060253435
- Publication date Nov 9, 2006
- Itaru Nishizawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Information lifecycle managing system and its data arrangement dete...
- Publication number 20060059206
- Publication date Mar 16, 2006
- Kazutomo Ushijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of changing system configuration in shared-nothing database...
- Publication number 20050154731
- Publication date Jul 14, 2005
- Daisuke Ito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Database control method
- Publication number 20050027719
- Publication date Feb 3, 2005
- Frederico Buchholz Maciel
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and system for mining association rules with negative items
- Publication number 20030009456
- Publication date Jan 9, 2003
- Takahiko Shintani
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Integrated database system and program storage medium
- Publication number 20020120618
- Publication date Aug 29, 2002
- Kazutomo Ushijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Database access method and system capable of concealing the content...
- Publication number 20020104002
- Publication date Aug 1, 2002
- Itaru Nishizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Kazutomo Ushijima

Person

Patents Grantslast 30 patents

Index tree search method and computer

Database management system and database management method using log...

Database management system and method

Log management method and computer system

Computer system, data retrieval method and database management comp...

Database processing method, database processing system and database...

Data arrangement method and data management system for improving pe...

Database processing system and method

Database processing method and database processing system

Method of changing system configuration in shared-nothing database...

Document search method and document search apparatus that use a com...

Indexing method of database management system

Retrieval apparatus, retrieval method and retrieval program

Information management system

Indexing method of database management system

Information lifecycle managing system and its data arrangement dete...

Method of changing system configuration in shared-nothing database...

Database access method and system capable of concealing the content...

Database control method

Data warehouse system and query processing method used in the syste...

Integrated database system and program storage medium

Method and system for mining association rules with negative items

Grouping and duplicate removal method in a database

Method of retrieving database

Random sampling method for use in a database processing system and...

Patents Applicationslast 30 patents

COMPUTER SYSTEM AND DATABASE MANAGEMENT METHOD

LOG MANAGEMENT METHOD AND COMPUTER SYSTEM

INDEX TREE SEARCH METHOD AND COMPUTER

DATABASE MANAGEMENT SYSTEM AND METHOD

METHOD OF MANAGING DATABASE, MANAGEMENT COMPUTER AND STORAGE MEDIUM

COMPUTER SYSTEM, DATA RETRIEVAL METHOD AND DATABASE MANAGEMENT COMP...

DATABASE PROCESSING METHOD, DATABASE PROCESSING SYSTEM AND DATABASE...

DATA ARRANGEMENT METHOD AND DATA MANAGEMENT SYSTEM

DATABASE PROCESSING METHOD AND DATABASE PROCESSING SYSTEM

DATABASE PROCESSING SYSTEM AND METHOD

INDEXING METHOD OF DATABASE MANAGEMENT SYSTEM

DOCUMENT SEARCH METHOD

Method of changing system configuration in shared-nothing database...

Retrieval apparatus, retrieval method and retrieval program

Database access method and system capable of concealing the content...

Indexing method of database management system

Information management system

Data warehouse system and query processing method used in the syste...

Information lifecycle managing system and its data arrangement dete...

Method of changing system configuration in shared-nothing database...

Database control method

Method and system for mining association rules with negative items

Integrated database system and program storage medium

Database access method and system capable of concealing the content...