former Chief of Medical Service, 5th Army (released from prison in 1956) Major Karasawa Tomio (born 1911), former chief of a section of Unit 731 (killed himself in prison in 1956) 18 years imprisonment: Lieutenant Colonel Nishi Toshihide (born 1904), former chief of a division of Unit 731 (released from prison in 1956) 15 years imprisonment: Senior Sergeant Mitomo Kazuo (born 1924), former member of Unit 100 (released from prison in 1956) 12 years imprisonment: Major Onoue Masao (born 1910), former chief of a branch of Unit 731 (released from prison in 1956) 10 years imprisonment: Lieutenant Hirazakura Zensaku (born 1916), former researcher of Unit 100 (released from prison in 1956) 3 years imprisonment: Kurushima Yuji (born 1923), former lab orderly of Branch 162 of Unit 731 (released in 1952) 2 years imprisonment: Corporal Kikuchi Norimitsu (born 1922), former medical orderly of Branch 643 of Unit 731 (released in 1951) See also Japanese war crimes International Military Tribunal for the Far East Military history of the Soviet Union Notes References Boris G. Yudin, Research on humans at the Khabarovsk War Crimes Trial, in: Japan's Wartime Medical Atrocities: Comparative Inquiries in Science, History, and Ethics (Asia's Transformations), Jing Bao Nie, Nanyan Guo, Mark Selden, Arthur Kleinman (Editors); Routledge, 2010, Materials on the Trial of Former Servicemen of the Japanese Army Charged with Manufacturing and Employing Bacteriological Weapons, Foreign Languages Publishing House, 1950, 535 pp. (No ISBN number) Biological warfare Military history of the Soviet Union War crimes trials in the Soviet Union Japan–Soviet Union relations 1949 in the Soviet Union World War II war crimes trials Trials in Russia Japanese biological weapons program Khabarovsk