After graduating from Keio University, he joined Mitsubishi Motors in 1974.
From first season, the club won the 2nd place for 4 years in a row until 1977.
In 1978, the club won all three major title in Japan; Japan Soccer League, JSL Cup and Emperor's Cup.
On July 12, 1972, when Fujiguchi was a Keio University student, he debuted for the Japan national team against Cambodia.
This biographical article related to a Japanese association football midfielder born in the 1940s is a stub.