Alfred Rhode had introduced judo in Germany with the 1st DJC at his Frankfurt summer school in 1932.
The DDK was responsible for the Dan bearers, teacher training, dissemination and teaching of judo and examinations.
The DJB was from 1955 alone responsible for the competition events - for national and international tournaments and championships, after the DAB had transferred in December 1954 its responsibility for the judo sport to the DJB.
The DJB was recognized in 1956 by the German Sports Federation and worked together until 1990 together with the DDK.
Individual and team competitions carried out and also courses and demonstrations offered.