ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,493, issued on Sept. 8, was assigned to FANUC Corp. (Yamanashi, Japan).

"Numerical control device and control method" was invented by Daisuke Uenishi (Yamanashi, Japan) and Tomohiro Oyamada (Yamanashi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The objective of the present invention is to provide a numerical control device and control method with which it is possible for hole opening to be performed at high speed and with low vibration. This numerical control device for performing hole opening continuously at prescribed intervals in a workpiece, using a machine tool, is provided with: a positioning unit for moving a hole opening tool of th...