Keijiro Doi Black smith
He is Itsuo Doi’s father and He was retired a few year ago, so we can’t ask him make knife.　
He was born in 1927 and entered the field at he age of 19 succeeding his farther who was reputed to be a master in Sakai. After many years of training, he was certified a Blacksmith Maister in 1987 by the Minister on International Trade and Industry. Furthermore, in the 1997 Spring Conferment, he was awarded the Green Paulownia Leaves Medal.