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Tadataka Matsubayashi
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Machida, JP
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Patents Grants
last 30 patents
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
System and method to enable parallel text search using in-charge in...
Patent number
7,689,545
Issue date
Mar 30, 2010
Hitachi, Ltd.
Tadataka Matsubayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method, program and apparatus for document retrieval system
Patent number
7,620,614
Issue date
Nov 17, 2009
Hitachi, Ltd.
Kazunari Sugiyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information retrieving system
Patent number
7,558,802
Issue date
Jul 7, 2009
Hitachi, Ltd.
Katsushi Yako
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for calculating similarity among documents
Patent number
7,440,938
Issue date
Oct 21, 2008
Hitachi, Ltd.
Tadataka Matsubayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of and an apparatus for retrieving and delivering documents...
Patent number
7,333,983
Issue date
Feb 19, 2008
Hitachi, Ltd.
Yasuhiko Inaba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Similar document retrieving method and system
Patent number
7,231,388
Issue date
Jun 12, 2007
Hitachi, Ltd.
Tadataka Matsubayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of searching similar document, system for performing the sam...
Patent number
7,200,587
Issue date
Apr 3, 2007
Hitachi, Ltd.
Tadataka Matsubayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Similarity-based search method by relevance feedback
Patent number
7,130,849
Issue date
Oct 31, 2006
Hitachi, Ltd.
Takaaki Yayoi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for retrieving a document and computer readable s...
Patent number
7,054,860
Issue date
May 30, 2006
Hitachi, Ltd.
Yasuhiko Inaba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Document retrieval method and document retrieval system
Patent number
7,039,636
Issue date
May 2, 2006
Hitachi, Ltd.
Katsumi Tada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Document retrieval method and system and computer readable storage...
Patent number
6,865,571
Issue date
Mar 8, 2005
Hitachi, Ltd.
Yasuhiko Inaba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Registration method and search method for structured documents
Patent number
6,826,567
Issue date
Nov 30, 2004
Hitachi, Ltd.
Katsumi Tada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Text mining method and apparatus allowing a user to analyze content...
Patent number
6,757,676
Issue date
Jun 29, 2004
Hitachi, Ltd.
Natsuko Sugaya
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data display method and apparatus for use in text mining
Patent number
6,738,786
Issue date
May 18, 2004
Hitachi, Ltd.
Natsuko Sugaya
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of and an apparatus for retrieving and delivering documents...
Patent number
6,665,667
Issue date
Dec 16, 2003
Hitachi, Ltd.
Yasuhiko Inaba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Document retrieval method and system and computer readable storage...
Patent number
6,665,668
Issue date
Dec 16, 2003
Hitachi, Ltd.
Natsuko Sugaya
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of and an apparatus for retrieving and delivering documents...
Patent number
6,549,898
Issue date
Apr 15, 2003
Hitachi, Ltd.
Yasuhiko Inaba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and search method for structured documents
Patent number
6,496,820
Issue date
Dec 17, 2002
Hitachi, Ltd.
Katsumi Tada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
METHOD AND SYSTEM FOR EXTRACTING CHARACTERISTIC STRING, METHOD AND...
Patent number
6,473,754
Issue date
Oct 29, 2002
Hitachi, Ltd.
Tadataka Matsubayashi
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
LOG MANAGEMENT COMPUTER AND LOG MANAGEMENT METHOD
Publication number
20140317137
Publication date
Oct 23, 2014
Hitachi, Ltd
Miyuki Hanaoka
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
Method, program and apparatus for document retrieval system
Publication number
20070192274
Publication date
Aug 16, 2007
Kazunari Sugiyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Information retrieving system
Publication number
20070100873
Publication date
May 3, 2007
Hitachi, Ltd
Katsushi Yako
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method of and an apparatus for retrieving and delivering documents...
Publication number
20060218137
Publication date
Sep 28, 2006
Yasuhiko Inaba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and system for retrieving a document
Publication number
20060101004
Publication date
May 11, 2006
Tadataka Matsubayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and apparatus for calculating similarity among documents
Publication number
20050021508
Publication date
Jan 27, 2005
Tadataka Matsubayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and device for relevant document search
Publication number
20040193584
Publication date
Sep 30, 2004
Yuichi Ogawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method, apparatus and programs for delivering information
Publication number
20040117388
Publication date
Jun 17, 2004
Yasuhiko Inaba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and system for retrieving a document and computer readable s...
Publication number
20040068495
Publication date
Apr 8, 2004
Hitachi, Ltd.
Yasuhiko Inaba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Document retrieval method and document retrieval system
Publication number
20030200211
Publication date
Oct 23, 2003
Katsumi Tada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Similarity-based search method by relevance feedback
Publication number
20030149704
Publication date
Aug 7, 2003
Hitachi, Inc.
Takaaki Yayoi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Information delivering service system
Publication number
20030110091
Publication date
Jun 12, 2003
Yasuhiko Inaba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Similar document retrieving method and system
Publication number
20030101177
Publication date
May 29, 2003
Tadataka Matsubayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method of searching similar document, system for performing the sam...
Publication number
20030065658
Publication date
Apr 3, 2003
Tadataka Matsubayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method of and an apparatus for retrieiving and delivering documents...
Publication number
20030004928
Publication date
Jan 2, 2003
Hitachi, Ltd.
Yasuhiko Inaba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Registration method and search method for structured documents
Publication number
20020188604
Publication date
Dec 12, 2002
Katsumi Tada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Data display method and apparatus for use in text mining
Publication number
20020116398
Publication date
Aug 22, 2002
Natsuko Sugaya
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Document retrieval method and system and computer readable storage...
Publication number
20020073065
Publication date
Jun 13, 2002
Yasuhiko Inaba
G06 - COMPUTING CALCULATING COUNTING