US Patent Issued to Sumitomo Electric Industries, SUMITOMO ELECTRIC HARDMETAL on Sept. 9 for "Cubic boron nitride sintered material and cutting tool" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,103, issued on Sept. 9, was assigned to Sumitomo Electric Industries Ltd. (Osaka, Japan) and SUMITOMO ELECTRIC HARDMETAL CORP. (Hyogo, Japan).

"Cubic boron nitride sintered material and cutting tool" was invented by Katsumi Okamura (Osaka, Japan), Mayu Amemiya (Osaka, Japan), Akito Ishii (Osaka, Japan), Yuka Deguchi (Osaka, Japan) and Satoru Kukino (Hyogo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cubic boron nitride sintered material comprises cubic boron nitride particles, a binding phase, and an interfacial phase. The interfacial phase intervenes between the cubic boron nitride particles and the binding phase. The interfacial phase ...