ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,503, issued on July 21, was assigned to REPUBLIC OF KOREA (CHIEF OF PRESIDENTIAL SECURITY SERVICE) (Seoul, South Korea).

"System and method for detecting dangerous substance by using artificial intelligence" was invented by Hyun Woo Lee (Seoul, South Korea) and Je Hwan Jeon (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a system and a method for detecting a dangerous substance by using artificial intelligence. The present invention is characterized in that a dangerous substance can be rapidly detected from substances being inspected at airports, ports, military bases, event venues, stadiums, exhib...