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Inventor
SUNAGA YOSHIAKI
JP
2 patents
Patents
2 patents
US6094675A
Jul 25, 2000
Electronic discussion system for exchanging information among users
HITACHI LTD
75 citations
93
US6594652B1
Jul 15, 2003
Electronic discussion system for exchanging information among users creating opinion indexes in accordance with content of each options
HITACHI LTD
22 citations
90