The Canon of Judo The Canon of Judo The Canon of Judo is a book that was originally published in 1956, and written by Kodokan 10th dan, Kyuzo Mifune (1883-1965). The book covers almost all of the Kodokan recognized techniques, adds variations and new techniques, including Do-Jime in passing as well. The book also describes fifteen Kata developed by Mifune to teach adaptation through reversal and counters. The book organizes the techniques differently from the official Kodokan Gokyo. This book is based on new and revised material by the author made between the original publish date and the authors death. The original book, "Canon
Rank in Judo judo association. For a rank to be recognized, it must be registered with the national judo organization or the Kōdōkan. In Japan, the use of belt colors is related to the age of the student. Some clubs will only have black and white, others will include a brown belt for advanced kyū grades and at the elementary school level it is common to see a green belt for intermediate levels. In Europe the belt system is white, yellow, orange, green, blue, brown and black for both senior and junior practitioners. Judokas who have attained the 6th Dan may also use