ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,991, issued on Feb. 10, was assigned to KOBE STEEL LTD. (Hyogo, Japan) and MOLDINO Tool Engineering Ltd. (Tokyo).
"Coated member" was invented by Tetsuya Takahashi (Takasago, Japan), Ryosuke Takei (Takasago, Japan), Aya Hino (Kobe, Japan) and Tomoya Sasaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A coated member of the present invention includes a substrate and a hard coating film that is formed on the surface of the substrate and includes a nitride or carbonitride of a metal element. A content of Al is 65 atom % or more and 85 atom % or less, a content of Cr is 15 atom % or more and 35 atom % or less, and a total content of Al and Cr i...