In the 1967 US National Championships, Nagatoshi, the Olympic alternate for Japan, won grand champion and the gold medal in the under 80 kg division, then was a bronze medalist in the 1968 National Championships.
In the 1967 US National Championships, Nagatoshi won grand champion and the gold medal in the under 80 kg division. Nagatoshi was the Olympic alternate for Japan. He was a bronze medalist in the 1968 National Championships. 
