US Patent Issued to Rakuten Group on Aug. 19 for "Authentication system, authentication device, authentication method and program" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,393,650, issued on Aug. 19, was assigned to Rakuten Group Inc. (Tokyo).

"Authentication system, authentication device, authentication method and program" was invented by Yeongnam Chae (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Authentication means (101) of an authentication system (S) performs authentication based on input authentication information. Determination means (102) determines, based on the input authentication information, whether there are a plurality of users for which there is a possibility of successful authentication. Input request means (104) requests, when it is determined that there are the plurality of users, input of addi...