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Osamu Imaichi
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Patents Grants
last 30 patents
Information
Patent Grant
Functional sequence selection method and functional sequence select...
Patent number
12,165,744
Issue date
Dec 10, 2024
Hitachi, Ltd.
Maiko Tanabe
Information
Patent Grant
Device and method for constructing inverted indexes
Patent number
8,321,485
Issue date
Nov 27, 2012
Hitachi, Ltd.
Tomohiro Yasuda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System or program for searching documents
Patent number
7,984,044
Issue date
Jul 19, 2011
Hitachi, Ltd.
Makoto Iwayama
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
Cross lingual text classification apparatus and method
Patent number
7,467,079
Issue date
Dec 16, 2008
Hitachi, Ltd.
Yasutsugu Morimoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Document retrieval system and search server
Patent number
7,277,881
Issue date
Oct 2, 2007
Hitachi, Ltd.
Osamu Imaichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Document search system using a meaning relation network
Patent number
7,240,051
Issue date
Jul 3, 2007
Hitachi, Ltd.
Osamu Imaichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Search system
Patent number
7,065,518
Issue date
Jun 20, 2006
Hitachi, Ltd.
Shingo Nishioka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Document information display system and method, and document search...
Patent number
7,047,255
Issue date
May 16, 2006
Hitachi, Ltd.
Osamu Imaichi
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
COMPUTER SYSTEM AND METHOD THEREOF
Publication number
20220208308
Publication date
Jun 30, 2022
Hitachi, Ltd
Kiyoto ITO
Information
Patent Application
DOCUMENT SEARCH SYSTEM AND METHOD
Publication number
20210294860
Publication date
Sep 23, 2021
Hitachi, Ltd
Osamu IMAICHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING SYSTEM AND SEARCH METHOD
Publication number
20210158903
Publication date
May 27, 2021
Hitachi, Ltd
Masahiro KATO
Information
Patent Application
FUNCTIONAL SEQUENCE SELECTION METHOD AND FUNCTIONAL SEQUENCE SELECT...
Publication number
20200327958
Publication date
Oct 15, 2020
Hitachi, Ltd
Maiko TANABE
Information
Patent Application
METHOD AND APPARATUS FOR IDENTIFYING EARLY STATUS
Publication number
20150100355
Publication date
Apr 9, 2015
Hitachi, Ltd
Kouichi TANIMOTO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEM OR PROGRAM FOR SEARCHING DOCUMENTS
Publication number
20090248652
Publication date
Oct 1, 2009
Makoto Iwayama
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
Document Management System
Publication number
20080178297
Publication date
Jul 24, 2008
HITACHI LTD
Hisashi Ikeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Information Management System and Document Information Management M...
Publication number
20080147687
Publication date
Jun 19, 2008
Naohiro Furukawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DEVICE AND METHOD FOR CONSTRUCTING INVERTED INDEXES
Publication number
20080133565
Publication date
Jun 5, 2008
Tomohiro Yasuda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Search system and search method
Publication number
20060179041
Publication date
Aug 10, 2006
Hiroko Ohi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Spelling variation dictionary generation system
Publication number
20050278292
Publication date
Dec 15, 2005
Hitachi, Ltd.
Hiroko Ohi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Document retrieval system, search server, and search client
Publication number
20050278293
Publication date
Dec 15, 2005
Hitachi, Ltd.
Osamu Imaichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Cross lingual text classification apparatus and method
Publication number
20050071152
Publication date
Mar 31, 2005
Hitachi, Ltd.
Yasutsugu Morimoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Information searching method, information search system, and search...
Publication number
20040205059
Publication date
Oct 14, 2004
Shingo Nishioka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Document search system using a meaning-ralation network
Publication number
20040181520
Publication date
Sep 16, 2004
Hitachi, Ltd.
Osamu Imaichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Document search method and system, and document search result displ...
Publication number
20030225755
Publication date
Dec 4, 2003
Hitachi, Ltd.
Makoto Iwayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Document information display system and method, and document search...
Publication number
20030220916
Publication date
Nov 27, 2003
Hitachi, Ltd.
Osamu Imaichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Search system
Publication number
20030144999
Publication date
Jul 31, 2003
Hitachi, Ltd.
Shingo Nishioka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Document retrieval system and search server
Publication number
20020184186
Publication date
Dec 5, 2002
Osamu Imaichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Document retrieval system; method of document retrieval; and search...
Publication number
20020099685
Publication date
Jul 25, 2002
Hitachi, Ltd.
Akihiko Takano
G06 - COMPUTING CALCULATING COUNTING