The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 21, 2008
Filed:
Jul. 17, 2003
Kunihiko Miyazaki, Yokohama, JP;
Narihiro Omoto, Toda, JP;
Shinji Itoh, Yokohama, JP;
Kouichi Tanimoto, Yokohama, JP;
Hiroshi Yoshiura, Tokyo, JP;
Kunihiko Miyazaki, Yokohama, JP;
Narihiro Omoto, Toda, JP;
Shinji Itoh, Yokohama, JP;
Kouichi Tanimoto, Yokohama, JP;
Hiroshi Yoshiura, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The invention provides a method for verification having a structure that reflects reliability of a signature history properly for a hysteresis signature used for verification based on the signature history, and provides a method for arbitration and an arbitrator apparatus that solve a dispute on correctness of a signature based on the method for verification. Furthermore, the invention provides a method for managing history that mitigates the signature history management burden on a signer. Reliability is set on a signature forming record that is a component of a signature history, reliability of the signature history is calculated based on the set reliability, and the calculated reliability is output as reliability of a verification result. The invention provides a method for verification having a structure that reflects the reliability of a signature history properly and a method for arbitration and an arbitrator apparatus that solve a dispute on correctness of a signature. Furthermore, providing a signature history storage service apparatus mitigates the signature history storage burden on a signer.