ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,726,361, issued on Sept. 1, was assigned to SGA Solutions Co. Ltd. (Seoul, South Korea).

"Method, apparatus, and computer-readable recording medium for controlling access of user and user terminal that access server system using digital signature" was invented by Ki Uk Lee (Seongnam-si, South Korea) and Jae Hyeok Park (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling access of a user and a user terminal that access a server system using a digital signature includes: performing identity confirmation on a user and a user terminal requesting an access to a server system by using a trust determination machine in whi...