Inventor
USHIROJI YOUSUKE
JP4 patents
Patents
4 patentsUS6665668B1Dec 16, 2003
Document retrieval method and system and computer readable storage medium
HITACHI LTD144 citations97
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
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
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