He was demoted in July 1944 by the emperor, following the Battle of Saipan and condemned to death by the Tokyo tribunal.

He was tried before the Tokyo tribunal but died in prison before his sentence.

He was a reporter at the Tokyo military tribunals in which Imperial Japanese leaders were tried for crimes committed during World War II.

Many political and military Japanese leaders were convicted for war crimes before the Tokyo tribunal and other Allied tribunals in Asia.

Like all members of the Imperial family involved in the conduct of the war, Prince Fushimi was exonerated from criminal prosecutions before the Tokyo tribunal by Douglas MacArthur.

He met with the major defendants of the Tokyo tribunal.

Philippine justice Delfin Jaranilla, member of the Tokyo tribunal, wrote in his judgment:

According to the findings of the Tokyo tribunal, the death rate of Western prisoners was 27.1%, seven times that of POWs under the Germans and Italians.

More than 1,000 of them are war criminals, including 14 Class-A war criminals, convicted at the 1946-1948 Tokyo tribunal, among them, Hideki Tōjō.

Thus, military like Yasuji Okamura were not prosecuted before the Tokyo tribunal.