He was born in Miyagi Prefecture and grew up in Hokkaido.
Becoming influenced by Aristide Maillol and Charles Despiau, Sato decided to specialize in sculpture.
He graduated from the Tokyo School of Fine Arts.
[2] From 1934 on, Sato spent the next seventy years making art works primarily from bronze to much acclaim.
He was a dedicated artist working from 8 am until 8 pm every day and died on 30 March 2011 at the age of 98.