After the World War II ended, he was charged with war crime and got arrested in December, 1945, and incarcerated in Sugamo Prision for 20 months, but he was cleared of the charge.
第二次世界大戦終結後、戦争犯罪容疑を受け1945年12月に逮捕され巣鴨拘置所に20か月拘置されたが、容疑が晴れる。