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Hiroko Ohi
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Kokubunji, JP
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Patents Grants
last 30 patents
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Patent Grant
Document retrieval system and document retrieval method
Patent number
8,046,368
Issue date
Oct 25, 2011
Hitachi, Ltd.
Hiroko Ohi
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
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Patent Application
DOCUMENT RETRIEVAL SYSTEM AND DOCUMENT RETRIEVAL METHOD
Publication number
20080270386
Publication date
Oct 30, 2008
Hiroko Ohi
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
Information search method
Publication number
20050004900
Publication date
Jan 6, 2005
Yoshihiro Ohta
G06 - COMPUTING CALCULATING COUNTING