 In 1962 or 1968, depending on sources, he founded a new school, the Ken-Shin-Kan. Prieto claims that the school was named Ken-In-Kan in Brazil to avoid trademark infringements, but was otherwise known as Ken-Shin-Kan.According to Prieto, the Uruguayan branch of Ken-Shin-Kan was established in 1962, and expanded to Chile and Honduras after 1966.From 1971, in addition to teaching karate, Akamine accepted patients seeking massage therapy.