After graduating from Waseda University, he joined Mitsubishi Motors in 1969.
In 1973, the club won Japan Soccer League and Emperor's Cup.
On July 13, 1978, when Hosotani was 32 years old, he debuted for the Japan national team against Iraq.
He played four games and scored one goal for Japan that year.
This biographical article related to a Japanese association football forward is a stub.