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 are yet to attain that level and who hold grades. Those who hold "dan" grades are collectively termed (literally "person who has dan") and those with "kyū" grades are , literally "person without dan". This ranking system was introduced by Kanō Jigorō, the founder of judo, in 1883. However, the current system is not the original one, but based on Kanō's last system introduced between 1926-1931, with some modification shortly after Kanō's death in 1938. The first "dan" grades were awarded to his students Saigō Shirō and Tomita Tsunejirō. Since then it has been widely adopted by modern martial arts.