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:
Mar. 04, 2025
Filed:
Aug. 20, 2019
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Yoshihiko Omori, Musashino, JP;
Takao Yamashita, Musashino, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Abstract
In a user credential control system, an access control server includes a token issuing unit that issues, to a service provider server, a token in which a user credential that can be acquired by the service provider server is described according to the company name and the type of a service of the service provider server described in an electronic certificate, a policy registration unit that registers a policy of an access authority of the service provider server to the user credential based on the company name or the type of the service of the service provider server, and a notification reception unit that, when the user credential of the user terminal has been changed, acquires the service provider server with the access authority to the user credential from a token according to the registered policy to notify the service provider server of the change of the user credential.