ALEXANDRIA, Va., March 24 -- United States Patent no. 12,585,746, issued on March 24, was assigned to NEC Corp. (Tokyo).

"Authentication system, user device, and key information transmission method" was invented by Yuta Shimizu (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The biological information acquisition means acquires biological information of the user. The determination means determines whether a predetermined condition is satisfied. In a case in which it is determined that the predetermined condition is satisfied, the key information transmission means transmits the key information to the mobile device. An authentication means authenticates the user by using the acquired biological informat...