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:
Apr. 14, 2025
Filed:
Dec. 09, 2020
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Ryohei Suzuki, Tokyo, JP;
Tetsuya Okuda, Tokyo, JP;
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Abstract
A certificate issuance support system includes a certificate application device in a first organization for applying to an authentication station for issuance of an OV certificate; and an existence assurance device in a second organization for guaranteeing the existence of the first organization. The existence assurance device imparts a first signature to first information for guaranteeing the existence of the first organization in response to a request from a terminal used by a member of the first organization, transmits the first information imparted with the first signature is to the certificate application device, and verifies a second signature generated by the certificate application device and imparted to second information for guaranteeing affiliation of the member with the authentication station. The certificate application device transmits the first information with the first signature and the second information with the second signature to the authentication station to receive the OV certificate.