was certified as an instructor by Sokaku in 1932. Later, he accompanied his teacher to various locations in Japan as an assistant instructor. One of the most prominent students of Sokaku Takeda, Sagawa remained semi-active and operated a dojo attached to his home in Kodaira City, a suburb of Tokyo, for many years. Following his passing, his school continues to operate under the direction of Tatsuo Kimura.

Kodo Horikawa: The eldest son of Taiso Horikawa, Kodo learned jujutsu from his father during adolescence. He became a student of Sokaku Takeda in Daito-ryu in 1914. Kodo received the Hiden Mokuroku in January of 1931, the Hiden Okugi Mokuroku in June, and became an instructor in October of the same year. He established the Daito-ryu Kodokai in Kitami in 1950, andtaught Daito-ryu until his death.

Takuma Hisa was captain of his sumo club at Kobe Commercial College (presently Kobe University). In 1927 he entered the head office of the Asahi News through an introduction from his university senior, Mitsujiro Ishii, and in 1934 he assumed the important post of Director of General Affairs at the Osaka Asahi News. Through an introduction from Ishii, Hisa invited Morihei Ueshiba to come from Tokyo to teach aikijujutsu at the Osaka Asahi News Head office. In 1936, he began training under Sokaku Takeda when the latter came to Osaka. Sokaku awarded Hisa the Daito-ryu aikijujutsu menkyo kaiden in 1939. In 1959, Hisa founded the Kansai Aikido Club. He relocated to Tokyo where he lived his final years in 1961 after suffering a stroke.

Keisuke