Inventor
TOMINAGA MASASUKE
JP7 patents
Patents
7 patentsUS5311429AMay 10, 1994
Maintenance support method and apparatus for natural language processing system
HITACHI LTD166 citations97
US6049787AApr 11, 2000
Electronic business transaction system with notarization database and means for conducting a notarization procedure
HITACHI LTD157 citations96
US4958285ASep 18, 1990
Natural language processing system
HITACHI LTD35 citations91
US5903762AMay 11, 1999
Application execution method and system therefor
HITACHI LTD31 citations90
US6446050B1Sep 3, 2002
Method of and system for processing electronic document and recording medium for recording processing program
HITACHI LTD18 citations79
US7428511B2Sep 23, 2008
Electronic business transaction system
HITACHI LTD6 citations71
US7590597B2Sep 15, 2009
Electronic business transaction system
HITACHI LTD0 citations50