ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,627, issued on May 27, was assigned to SSENSTONE INC. (Seoul, South Korea).
"Smart card device, device for generating virtual code for authentication, method of generating virtual code for authentication using the same, and server for verifying virtual code for authentication" was invented by Chang-Hun Yoo (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a smart card device, a device for generating a virtual code for authentication, a method of generating a virtual code for authentication using the same, and a server for verifying a virtual code for authentication. The method includes transmitting time data to a card u...