Inventor
INABA YASUHIKO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “INABA YASUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
12 patentsUS6665668B1Dec 16, 2003
Document retrieval method and system and computer readable storage medium
HITACHI LTD144 citations97
US7054860B2May 30, 2006
Method and system for retrieving a document and computer readable storage medium
HITACHI LTD42 citations92
US7039636B2May 2, 2006
Document retrieval method and document retrieval system
HITACHI LTD23 citations92
US6865571B2Mar 8, 2005
Document retrieval method and system and computer readable storage medium
HITACHI LTD33 citations92
US6757676B1Jun 29, 2004
Text mining method and apparatus allowing a user to analyze contents of a document set from plural analysis axes
HITACHI LTD23 citations92
US6549898B1Apr 15, 2003
Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are stored
HITACHI LTD28 citations92
US7130849B2Oct 31, 2006
Similarity-based search method by relevance feedback
HITACHI LTD50 citations91
US7231388B2Jun 12, 2007
Similar document retrieving method and system
HITACHI LTD24 citations90
US6665667B2Dec 16, 2003
Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are stored
HITACHI LTD14 citations83
US7200587B2Apr 3, 2007
Method of searching similar document, system for performing the same and program for processing the same
HITACHI LTD10 citations82
US6738786B2May 18, 2004
Data display method and apparatus for use in text mining
HITACHI LTD9 citations73
US7333983B2Feb 19, 2008
Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are stored
HITACHI LTD2 citations62