Born in 1944 (Shōwa 19)
He study under Yoshimitsu with graduation at a junior high school for the second generation.1964 independence.
In the same year, He assume Master's name of Yoshihiko as a successor for the third generation
He visits the swordsmith of the Shikoku district,And acquire Tanpou of the Japanese sword, a secret of Koubuse.He is one of the men of influence of the Tosa forging world.
However, from May, 2018, on the delivery date, It becomes not yet decided it for advanced age.
甲伏(Koubuse) is the one of Japanese sword manufacturing method.
No crack, no bend and cut well...this is the characteristics of 甲伏(Koubuse).