ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,718, issued on June 23, was assigned to KYOCERA Corp. (Kyoto, Japan).

"Coated tool and cutting tool" was invented by Masahiro Waki (Satsumasendai, Japan) and Risa Koda (Satsumasendai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coated tool in a non-limiting embodiment of the present disclosure includes a base composed of WC-based cemented carbide including a WC particle and a binding phase, and a diamond film located on the base. In a cross section orthogonal to a surface of the coated tool, the base has a lower content of the binding phase in a surface of the base than a midportion of the base. In an interface region between the base and...