ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,005, issued on Sept. 1, was assigned to TUNGALOY Corp. (Fukushima, Japan).

"Cubic boron nitride sintered body and coated cubic boron nitride sintered body" was invented by Takahide Kudoh (Iwaki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cubic boron nitride sintered body including cubic boron nitride and a binder phase, wherein: a content of the cubic boron nitride is 81 volume % or more and 95 volume % or less and a content of the binder phase is 5 volume % or more and 19 volume % or less based on the total amount of the sintered body; and a content of Al in the binder phase is 0.5 mass % or more and 5 mass % or less, a content of W in ...