ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,293, issued on Dec. 2, was assigned to JFE STEEL Corp. (Tokyo).

"Guidance device for selecting safety factory, guidance method for selecting safety factory, and method of operating factory" was invented by Katsuya Suzuki (Tokyo), Shuji Kuyama (Tokyo) and Aoto Miyazaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A guidance device selects a safety factory operating at a time of a power failure, and presents a safety operation plan for a plurality of factories in a power system, and includes a presentation unit configured to calculate a combination of an operating factory and a non-operating factory within a predetermined period from a planned...