US Patent Issued to NIPPON TOKUSHU GOUKIN on Sept. 30 for "Ultra-fine cemented carbide, and cutting tool and wear-resistant tool using the same" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,709, issued on Sept. 30, was assigned to NIPPON TOKUSHU GOUKIN Co. LTD. (Gamagori, Japan).

"Ultra-fine cemented carbide, and cutting tool and wear-resistant tool using the same" was invented by Masayuki Takada (Gamagori, Japan) and Tomohiro Tsutsumi (Gamagori, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an ultra-fine cemented carbide that has high hardness and exhibits excellent transverse-rupture-strength. The ultra-fine cemented carbide includes a hard phase, containing tungsten carbide (WC) as a main component, in an amount of 80 wt % or more and 99.4 wt % or less, a carbonitride phase, containing titanium carbonitride (Ti(C...