Background
He was born in 1903 in Nagano, Japan.
He was born in 1903 in Nagano, Japan.
Graduated from Tokyo University (1929).
Worked at the Historical Material Editing Office of the university; was appointed professor of the Manchurian Kenkoku (State) University (1942). Was appointed a professor of the Law and Literature Department of Kyushu University (1947), and professor of the Yokohama Municipal University (1952). Is professor of Tokyo Municipal University (since 1953). Author of “Study of Japan-Sung Trade” and “Various Problems of Cultural Exchange Between Japan and Sung.
