US Patent Issued to SUMITOMO ELECTRIC INDUSTRIES on Aug. 25 for "Cutting tool" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,123, issued on Aug. 25, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).

"Cutting tool" was invented by Haruyo Fukui (Osaka, Japan), Nozomi Tsukihara (Osaka, Japan), Anongsack Paseuth (Osaka, Japan) and Toshihiro Tabata (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cutting tool is a cutting tool comprising a substrate and a coating film disposed on the substrate, in which the coating film includes a first layer, the first layer is composed of an alternate layer where a first unit layer and a second unit layer are alternately stacked, the first unit layer is composed of AlaCr1-a-bCebN, a is 0.400 or more and 0.800 or...