ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,579, issued on Aug. 5, was assigned to AKITA PREFECTURE (Akita, Japan).
"Cutting method and cutting device" was invented by Takayuki Kusumi (Akita, Japan), Yoichi Akagami (Akita, Japan) and Masami Echigoya (Akita, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The cutting method is a cutting method for cutting a workpiece using a wire tool, including: supplying a slurry containing abrasive grains having an electrical dielectric property to a region of the workpiece into which the wire tool cuts; generating an alternating electric field in a region between the wire tool and the workpiece; and running the wire tool along a direction in which the ...