After he joined Hitachi , he played for Japan again in June 1980 .
On July 23 , 1978 , when Sugamata was a Hosei University student , he debuted for Japan national team against Singapore .
After Sugamata joined Hitachi , Sugamata played for Japan again in June 1980 .
On July 23 , 1978 , when Sugamata was a Hosei University student , he debuted for Japan national team against Singapore .