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:
Jun. 09, 2026
Filed:
Dec. 29, 2021
Rakuten Group, Inc., Tokyo, JP;
Yeongnam Chae, Tokyo, JP;
Rakuten Group, Inc., Tokyo, JP;
Abstract
An authentication system, comprising: a user device; and an authentication device, wherein the user device is configured to: acquire transformation information for transforming authentication information different from biometric information; transform the authentication information based on the transformation information; and transmit, to the authentication device, the transformed authentication information and the biometric information, and wherein the authentication device is configured to: receive, from the user device, the transformed authentication information and the biometric information; acquire inverse transformation information for inversely transforming the transformed authentication information; inversely transform the transformed authentication information based on the inverse transformation information; and execute multi-factor authentication based on the authentication information inversely transformed by the authentication device and the biometric information.