US Patent Issued to YG-1 on April 7 for "Coated cutting tool and method for making coating layer" (South Korean Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,606, issued on April 7, was assigned to YG-1 Co. Ltd (Incheon, South Korea).

"Coated cutting tool and method for making coating layer" was invented by Dong Seob Kim (Chungju-si, South Korea), Hye Min Ahn (Chungju-si, South Korea) and Geun Woo Park (Chungju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a coated cutting tool in which a coating layer is formed and a method for making the coating layer. The coating layer of the cutting tool of the present disclosure is formed on the whole or part of a substrate, and includes an MT-TiCN layer and an Alpha-Al2O3 layer which are formed of columnar grains. The MT-TiCN layer ha...