Patents/Inventors

Chang-hun Yoo

SeoulKR2 patents

3 Patents

US123166272025
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
SSENSTONE Inc.
0 cites
US122656532025
Method, Program, and Device for Authenticating User Setting Information by Using Virtual Code
SSENSTONE Inc.
0 cites
US119224112024
Smart Card for Generating and Providing Virtual Code, and Method and Program Therefor
SSENSTONE Inc.
0 cites