US Patent Issued to Sumitomo Electric Industries, SUMITOMO ELECTRIC HARDMETAL on Sept. 22 for "Cubic boron nitride sintered material and tool" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,912, issued on Sept. 22, was assigned to Sumitomo Electric Industries Ltd. (Osaka, Japan) and SUMITOMO ELECTRIC HARDMETAL CORP. (Hyogo, Japan).

"Cubic boron nitride sintered material and tool" was invented by Yu Kawamura (Osaka, Japan), Akito Ishii (Osaka, Japan), Masato Michiuchi (Osaka, Japan), Katsumi Okamura (Osaka, Japan), Yuta Yoshioka (Hyogo, Japan) and Yuh Ishida (Hyogo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cubic boron nitride sintered material includes: 70 volume % or more and 99 volume % or less of a cubic boron nitride grains; and a binder, wherein the binder includes a first compound including chromium, cobalt and carb...