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
Paralympic Judo Paralympic Judo Paralympic judo is an adaptation of the Japanese martial art of judo for visually impaired competitors. The rules of the sport are only slightly different from regular judo competitions. It has been part of the Summer Paralympics program since 1988 for men and 2004 for women. Paralympic judo competition is governed by the International Judo Federation (IJF) rules with some modifications specified by the International Blind Sports Association (IBSA). The major rule difference is that contests always start with the 2 competitors in a loose grip on each other's Judo suits (grip called "Kumikata") and if contact is