1962 Joined the workshop of late Shiro Ogawa, a legendary engraver who dominated the world of engraving art in the early Showa Era. Commenced the journey of mastering the art of intricate engraving.
1969 Went to many gun shows in the US for engraving exhibition, and learnt other techniques that the rest of the world had to offer. Engraved a Colt SAA owned by John Wayne.
1972 Opened up his own workshop. Conducting engraving of guns (shotguns), knives, cigarette lighters, and replica guns.