US Patent Issued to Nippon Telegraph and Telephone on March 4 for "User credential control system and user credential control method" (Japanese Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,244,727, issued on March 4, was assigned to Nippon Telegraph and Telephone Corp. (Tokyo).

"User credential control system and user credential control method" was invented by Yoshihiko Omori (Musashino, Japan) and Takao Yamashita (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 pol...