ALEXANDRIA, Va., July 15 -- United States Patent no. 12,666,912, issued on June 23, was assigned to Semes Co. LTD. (Cheonan-si, South Korea).

"Article transport system and method of operating article transport system" was invented by Mei Xiang Jin (Suwon-si, South Korea) and Sik Kim (Hwaseong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operating an article transport system includes deriving a predicted transport request time-point of a target apparatus from pre-collected operation data of the article transport system, calling a transport vehicle of the article transport system at a time-point prior to the derived predicted transport request time-point, and moving the called tra...