ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,941, issued on May 12, was assigned to Korea Institute of Machinery & Materials (Daejeon, South Korea) and KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY (Daejeon, South Korea).

"Roller gap measurement system using light and roller gap measurement method using same" was invented by Dongwoo Kang (Daejeon, South Korea), Hong Ki Yoo (Daejeon, South Korea), Jin Su Choi (Daejeon, South Korea), Hyunchang Kim (Sejong, South Korea), Seung-Hyun Lee (Daejeon, South Korea), Kyung-Rok Kim (Daejeon, South Korea) and Jaeyoung Kim (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a roller gap measurement system and a roller gap measurement...