Sakai Kikumori (Kawamura Hamono) was established in 1926 in Sakai City, Osaka. It is one of the high-class brand for professional use in Japan.
In 2011, the company received the "Sakai Wazashu" certification which recognizes Sakai companies with remarkable skill and technique. Sakai Takayuki, another great knife-maker from Sakai, also has this certification. Only six Sakai knife-makers have this certification.