ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,759, issued on July 8, was assigned to SSENSTONE INC. (Seoul, South Korea).

"User authentication method using authentication virtual code and system therefor" was invented by Chang Hun Yoo (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a user authentication method and system using an authentication virtual code including receiving, by a virtual code verifying means, the authentication virtual code, the authentication virtual code being generated by an authentication virtual code generating function included in a virtual code generating means registered in the virtual code verifying means, searching, by the virtual cod...