ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,770, issued on April 21, was assigned to SUMITOMO ELECTRIC HARDMETAL CORP. (Itami, Japan).
"Cutting tool" was invented by Haruyo Fukui (Itami, Japan), Daiji Tabayashi (Itami, Japan), Momoko Iida (Itami, Japan) and Taisei Tanaka (Itami, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cutting tool comprising a base material and a coating disposed on the base material, wherein the coating comprises a first layer, the first layer consists of a MoC1-x layer formed from a compound represented by MoC1-x or a TaC1-y layer formed from a compound represented by TaC1-y, the compound represented by MoC1-x consists of a hexagonal crystal structure, the x...