ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,412, issued on Jan. 27, was assigned to TUNGALOY Corp. (Fukushima, Japan).
"Cubic boron nitride sintered body and coated cubic boron nitride sintered body" was invented by Yuichiro Fukushima (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 40 volume % or more and 70 volume % or less; a content of the binder phase is 30 volume % or more and 60 volume % or less; an average particle size of the cubic boron nitride is 0.1 micro metre or more and 3.0 micro metre or less; the binder phase contains TiN and/or TiC...