At the 1936 Olympics, he won a gold medal in the 4 × 200 m relay, setting a new world record.

In the individual 100 m race, he finished almost simultaneously with Masanori Yusa and Shigeo Arai and was placed fourth, although photographs suggest he was second.

[1][2] Taguchi graduated from Rikkyo University, later worked at a Daimaru department store and coached swimming at a local Daimaru swimming club.

He was recruited 1961 to prepare the national swimming team for the 1964 Tokyo Olympics.

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