Yokota, resigned from the JKA and joined Tetsuhiko Asai 10th Dan and the Japan Karate Shotorenmei (JKS) as a JKS instructor, becoming an ardent student of Asai and in his latter years, a confidant.
Yokota, resigned from the JKA and joined Tetsuhiko Asai 10th Dan and the Japan Karate Shotorenmei (JKS) where he was graded 6th dan from Asai. He become, in his own words, an ardent student of Asai and in his latter years, a confidant.