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Michio Iijima
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Document retrieval system and retrieval method
Patent number
10,628,488
Issue date
Apr 21, 2020
Hitachi, Ltd.
Atsushi Hatakeyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data search method and data search system
Patent number
10,423,613
Issue date
Sep 24, 2019
Hitachi, Ltd.
Michio Iijima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Search method
Patent number
10,394,870
Issue date
Aug 27, 2019
Hitachi, Ltd.
Natsuko Sugaya
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method, system and program for creating an index
Patent number
7,711,726
Issue date
May 4, 2010
Hitachi, Ltd.
Michio Iijima
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 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
Patents Applications
last 30 patents
Information
Patent Application
LOG RETRIEVAL SUPPORT DEVICE AND LOG RETRIEVAL SUPPORT METHOD
Publication number
20220237095
Publication date
Jul 28, 2022
Hitachi, Ltd
Yasunari Takai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CHARACTER STRING SEARCH SYSTEM AND CONTROL METHOD THEREFOR
Publication number
20180225326
Publication date
Aug 9, 2018
Hitachi, Ltd
Michio IIJIMA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DOCUMENT RETRIEVAL SYSTEM AND RETRIEVAL METHOD
Publication number
20170277809
Publication date
Sep 28, 2017
Hitachi, Ltd
Atsushi HATAKEYAMA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SEARCH METHOD
Publication number
20170075989
Publication date
Mar 16, 2017
Hitachi, Ltd
Natsuko SUGAYA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMPUTING DEVICE, STORAGE MEDIUM, AND DATA SEARCH METHOD
Publication number
20160154851
Publication date
Jun 2, 2016
Hitachi Ltd.
Natsuko SUGAYA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DATA SEARCH METHOD AND DATA SEARCH SYSTEM
Publication number
20160004745
Publication date
Jan 7, 2016
Hitachi, Ltd
Michio IIJIMA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMPUTER, DATA PROCESSING METHOD, AND NON-TRANSITORY STORAGE MEDIUM
Publication number
20150234872
Publication date
Aug 20, 2015
Hitachi, Ltd
Michio Iijima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DATA MANAGEMENT METHOD, DATA MANAGEMENT PROGRAM, AND DATA MANAGEMEN...
Publication number
20090271435
Publication date
Oct 29, 2009
Katsushi YAKO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DATA MANAGEMENT METHOD FOR ACCESSING DATA STORAGE AREA BASED ON CHA...
Publication number
20080320053
Publication date
Dec 25, 2008
Michio Iijima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD, SYSTEM AND PROGRAM FOR CREATING AN INDEX
Publication number
20080120280
Publication date
May 22, 2008
Michio Iijima
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