Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Norihisa Takayama0
Date of Patent
April 24, 2007
0Patent Application Number
100739520
Date Filed
February 14, 2002
0Patent Primary Examiner
Patent abstract
A technology for use in an e-mail transmission apparatus capable of preventing or discovering ‘impersonation’ in e-mail transmission efficiently, in which an e-mail is sent not only to a receiving address, but also to a sending address set by a sender.
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