During the 1923 Far Eastern Games held in Osaka, he won all three freestyle swimming events, which secured him a place on the Japanese Olympic team.

Although he did not win a medal, it was the first time that a swimmer from Asia finished next to the podium.

[1][3] From 1924 to 1928, Takaishi won every international competition he attended, except when racing against Johnny Weissmuller.

[3] He served as general director of the Japanese national swimming team for the 1964 Summer Olympics in Tokyo, and was chairman of the Amateur Swimming Federation of Japan.

He was posthumously honored with induction into the International Swimming Hall of Fame in 1991.