Kancho Ishii's top student at this time was Takeo Nakayama who had achieved fame by taking second place in the 1977 Kyokushin All-Japan tournament as a green belt.
Kancho Ishii's top student at this time was Shihan Takeo Nakayama. Nakayama had achieved fame by taking second place in the 1977 Kyokushin All-Japan tournament as a green belt.