Sato Shunji

Satō Shunji (佐藤 俊二) was a Japanese physician during the first half of the 20th century and a commander in the Imperial Japanese Army. From 1941 to 1943 he was chief of Unit 8604, a biological warfare unit that operated in Southern China. From 1944 onwards he was Chief of Medical Service of the IJA 5th Army.

In the Khabarovsk War Crime Trials carried out by the Soviet Union after the war he was convicted and sentenced to 20 years' incarceration. In 1956, due to the recovery of the Soviet-Japanese diplomatic relations, he was released after being held for seven years.