US Patent Issued to MOLDINO TOOL ENGINEERING on March 25 for "Coated cutting tool" (Japanese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,634, issued on March 25, was assigned to MOLDINO TOOL ENGINEERING LTD. (Tokyo).

"Coated cutting tool" was invented by Masakazu Isaka (Narita, Japan) and Ryoutarou Fuwa (Narita, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a coated cutting tool, which includes a hard coating film containing a layer (b) formed of a nitride or a carbonitride, a layer (c) which is a layered coating film formed by alternately layering a nitride or carbonitride layer (c1) that contains 55 atom % or more and 75 atom % or less of Al, Cr having a second highest content percentage, and at least Si and a nitride or carbonitride layer (c2) that contains 55 ...