He graduated from the Etajima Naval College in November 1917, and then went to the Torpedo School in Yokosuka Naval Station, and later specialized in submarines, becoming commander of the 20th Submarine Division in November 1939.
He graduated from the Etajima Naval College in November 1917. He then went to the Torpedo School in Yokosuka Naval Station. He then went to the Torpedo School in later specialized in submarines. He then was becoming commander of the 20th Submarine Division in November 1939.