Ajikataya is the name of a series of knives made by Mutsumi Hinoura. His father, Tsukasa, is also helping out in the production but the main creator is Mutsumi. The steel is 3 layered steel with a core of shirogami#2 carbon steel, heat treated to about 63 HRC. The Hinoura family is already a legendary blacksmith family and their blades are known all over the world. All blades are hotforged by hand and nothing leaves the hands of Hinoura before the quality is top notch.