ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,021, issued on May 20, was assigned to DISCO Corp. (Tokyo).
"Determining tool and shape determining method" was invented by Katsubumi Iida (Tokyo) and Hirotoshi Hoshikawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A determining tool for use in determining the shape of the tip end of a machining tool that machines a workpiece held on a table while the machining tool moves relatively to the table includes a bottom surface adapted to be held on the table and a flat slanting surface inclined to the bottom surface and oriented across a direction in which the machining tool moves relatively to the table, the flat slanting surface being adapted ...