Naoto lives and works in Hyogo Prefecture.

He has been pursuing his stonework career for nearly 50 years, creating stone structures and monuments in shrines, temples, and urban areas, and conducting stone quality surveys overseas.

Naoto is a nationally certified first-class stone engineer.

Charmed by jade, a national stone of Japan, he is currently creating stone works, focusing on Magatama (stone ornaments), using raw Itoigawa jade stone.