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:
Aug. 29, 2006
Filed:
Aug. 29, 2001
Hideaki Watanabe, Tokyo, JP;
Yoshihito Ishibashi, Tokyo, JP;
Shinako Matsuyama, Tokyo, JP;
Ichiro Futamura, Kanagawa, JP;
Masashi Kon, Kanagawa, JP;
Hideaki Watanabe, Tokyo, JP;
Yoshihito Ishibashi, Tokyo, JP;
Shinako Matsuyama, Tokyo, JP;
Ichiro Futamura, Kanagawa, JP;
Masashi Kon, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
In a public key certificate using system, a template which serves as person identification data of a person requesting a public key certificate is obtained from a person identification certificate of the person, a person authentication is executed by comparing sampling information of the person against the template, and a public key certificate for the person is issued by a certificate authority on condition that the person authentication is established, thus reducing the load on the certificate authority for person authentication. The public key certificate issued to the user is deleted upon completion of a processing session involving use of the public key certificate, restricting the use of the public key certificate to the particular processing session.