US Patent Issued to TUNGALOY on April 7 for "Coated cutting tool" (Japanese Inventor)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,607, issued on April 7, was assigned to TUNGALOY Corp. (Fukushima, Japan).

"Coated cutting tool" was invented by Takao Katagiri (Iwaki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coated cutting tool including a substrate and a coating layer formed on the substrate, wherein the coating layer comprises an alternately laminated structure of a first layer and a second layer, the first layer contains a compound having a composition represented by (AlaMbTi1-a-b)N (M represents at least one of a Nb element and a Ta element, and 0.75less than equal toaless than equal to0.90 and 0.00greater thanbless than equal to0.20 are satisfied), the second l...