<sod>Sometime in early 1970, Ohtsuka asked Shintani to officially call his style Wadō-ryū, and asked Shintani to continue to develop Wadō-ryū in Canada. In 1979, Ohtsuka presented Shintani with his 8th dan, and also gave him a post-dated 9th dan certificate for the future.<ref name="JOAMA2006" /> At the same time and appointed Shintani Sensei the Supreme Instructor of Wado Karate in North America. Shintani revealed his 9th dan in 1995.<ref name="SWKKF-2016" /><eod>
<sod>Sometime in early 1970, Ohtsuka asked Shintani to officially call his style Wadō-ryū, and asked Shintani to continue to develop Wadō-ryū in Canada. In a letter written by Ohtsuka to Shintani dated July 14, 1974, Ohtsuka said "Please take care of the Canadian Wado Kai as its representative". In 1979, Ohtsuka presented Shintani with his 8th dan, and also gave him a post-dated 9th dan certificate for the future.<ref name="JOAMA2006" /> Shintani revealed his 9th dan certificate in 1995.<ref name="SWKKF-2016" /><eod>