ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,769,275, issued on Oct. 20, was assigned to National University Corporation Tokai National Higher Education and Research System (Nagoya, Japan).
"Positional relationship measurement method and machining apparatus" was invented by Eiji Shamoto (Aichi-ken, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control device moves a cutting tool relative to a workpiece to bring the workpiece and the cutting tool into contact with each other, and acquires a coordinate value of a reference point when the workpiece and the cutting tool come into contact with each other. The control device derives an error between the coordinate value thus acquired and a desi...