ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,944, issued on Sept. 8, was assigned to Kubota Corp. (Osaka, Japan).

"Piping diagram creation method and piping diagram creation device" was invented by Shimpei Takahashi (Tokyo), Mitsuo Hayashi (Tokyo) and Seiki Mitsumori (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piping diagram creation device is provided configured to: generate virtual pipelines, the virtual pipelines being identified by characteristic evaluation data expressed as a sequence of numbers with an assembling angle Thetai of assembling portions of the respective straight pipes and cut pipes allocated between respective intersections, and an adjustment margin Lj of the cut...