In May 1930, when he was a Tokyo Imperial University student, he was selected Japan national team for 1930 Far Eastern Championship Games in Tokyo and Japan won the championship.
[1] After retirement, Shinojima joined Japan Football Association (JFA).
On February 11, 1975, Shinojima died of heart failure in Minato, Tokyo at the age of 65.
In 2006, he was selected Japan Football Hall of Fame.
This biographical article related to a Japanese association football forward is a stub.