[1] Kitaguchi was born in Osaka Prefecture on March 8, 1935.
After graduating from Kwansei Gakuin University, he joined Mitsubishi Motors in 1957.
In 1956, when Kitaguchi was a Kwansei Gakuin University student, he was selected Japan national team for 1956 Summer Olympics in Melbourne, but he did not compete.
He played 10 games and scored 1 goal for Japan until 1959.
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