Rank in Judo are ranked in ascending numerical order. The ninth ("kudan") and tenth degree black belt ("jūdan") and, theoretically, those higher, have no formal requirements. Only 15 individuals have been promoted to the rank of Kōdōkan 10th dan. On January 6, 2006, three individuals were promoted to this rank simultaneously: Daigo Toshirō, Ichirō Abe, and Ōsawa Yoshimi. This is the most ever at the same time, and the first in 22 years. No one has ever been promoted to a rank higher than 10th "dan", but in theory the Judo rank system is not limited to 10 degrees of black belt. The
Judo in Canada the 2012 Olympics as part of a CTV series called "The Difference Makers", features Kelita Zupancic, who was training in Japan during the 2011 Tōhoku earthquake and tsunami disaster. The National Film Board has also produced two short documentaries about Judo. The first is "Judo Jinks" (1954), hosted by journalist Fred Davis, which includes a brief history of Judo, some demonstrations, and an interview with judoka Bernard Gauthier. The other documentary, "Judoka" (1965), features Doug Rogers and was filmed after he won silver In Tokyo. It shows his intensive training under the famous Masahiko Kimura (widely considered one of the