Morihei is a supplier of Japanese knives and whetstones located in Asakusabashi, Tokyo. They have been in the industry for over 100 years, including Morihei's predecessor "Oguro-Morihei-Shouten". At one time, more than 20 groups of blacksmiths and sharpeners worked exclusively under Morihei. They are one of the only companies in Japan to have a long history of relationships with blacksmiths and manufacturers of sharpening stones and natural stones that still exist today.