Tuhia he tomokanga mo tenei rarangi - I te 1972 Summer Olympics tohu, whai muri i te kore o Japan ki te tohu mo te 1972 Summer Olympics, ka wehe a Okano ka riro ano a Naganuma hei kaiwhakahaere i te 1972. I whakahaerehia e ia te tohu o te Ipu o te Ao 1974 me te 1974 Asian Games
He aha? I te tohu o te 1976 Summer Olympics i te Paenga-whāwhā 1976, whai muri i te kore o Hapani ki te tohu mo te 1976 Summer Olympics, ka wehe a Naganuma.