ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,639, issued on June 24, was assigned to YAMAZAKI MAZAK Corp. (Niwa-gun, Japan).
"Controller, machine tool, calculation method, and non-transitory computer readable storage medium" was invented by Toshihito Okuda (Niwa-gun, Japan), Ryo Yoshida (Niwa-gun, Japan), Akira Iseki (Niwa-gun, Japan) and Yasuhiko Suzuki (Niwa-gun, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A controller includes data collect circuitry configured to collect machining data including a date and a time when at least one machined portion of a workpiece has been machined by a machine tool, temperature circuitry configured to obtain, at predetermined time intervals, tempera...