As coach Toshiaki Okamura (岡村 俊昭; 4 May 1912 – 25 January 1996), also known as Yeh Tien-sung (Chinese: 葉天送; Wade–Giles: Yeh4 Tien1-sung4), was a Taiwanese baseball outfielder who played for the Nankai Hawks of the Japanese Baseball League (JBL) from 1939 to 1949.
Born in Karenkō Prefecture, Taiwan, Okamura was a member of the famed Noko baseball team made up of Taiwanese indigenous players.
[1] In 1929, he moved to Kyoto and attended Heian Junior High School.
During his time at Heian, he played in 9 Kōshien baseball tournaments, reaching the final in 1933.
[2] Okamura attended Nihon University.