Fujiguchi was born in Maebashi on August 17, 1949. After graduating from Keio University, he joined Japan Soccer League club 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. The club also won 1980 Emperor's Cup, 1981 JSL Cup and 1982 Japan Soccer League. He retired in 1982. He played 127 games and scored 27 goals in the league. He was selected Best Eleven 3 times (1974, 1975 and 1978).