
Sugamo Prison (''Sugamo Kōchi-sho'',
Kyūjitai
''Kyūjitai'' () are the traditional forms of kanji (Chinese written characters used in Japanese writing). Their simplified counterparts are '' shinjitai'' (). Some of the simplified characters arose centuries ago and were in everyday use in bot ...
: ,
Shinjitai
are the simplified forms of kanji used in Japan since the promulgation of the Tōyō Kanji List in 1946. Some of the new forms found in ''shinjitai'' are also found in simplified Chinese characters, but ''shinjitai'' is generally not as exten ...
: ) was a prison in
Tokyo
Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...
, Japan. It was located in the district of
Ikebukuro
is a commercial and entertainment district in Toshima, Tokyo, Japan. Toshima ward offices, Ikebukuro Station, and several shops, restaurants, and department stores are located within city limits.
Transportation
At the center of Ikebukuro is ...
, which is now part of the
Toshima ward of
Tokyo
Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...
,
Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
.
History

Sugamo Prison was originally built in 1895, using the prisons of
Europe
Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...
as a model. By the 1930s it became known for housing
political prisoner
A political prisoner is someone imprisoned for their political activity. The political offense is not always the official reason for the prisoner's detention.
There is no internationally recognized legal definition of the concept, although ...
s, including many
communists
Communism () is a sociopolitical, philosophical, and economic ideology within the socialist movement, whose goal is the creation of a communist society, a socioeconomic order centered on common ownership of the means of production, d ...
and other dissenters who fell foul of the
Peace Preservation Law
The was a Japanese law enacted on April 22, 1925, with the aim of allowing the Special Higher Police to more effectively suppress alleged socialists and communists. In addition to criminalizing forming an association with the aim of altering the ...
s in the 1930s and 1940s.
Allied spies were also incarcerated there, including
Richard Sorge
Richard Gustavovich Sorge (; 4 October 1895 – 7 November 1944) was a German-Russian journalist and GRU (Soviet Union), Soviet military intelligence officer who was active before and during World War II and worked undercover as a German journa ...
who was hanged in the prison on November 7, 1944. The prison also was used to hold captured Allied officers during
World War II
World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
as well as airmen.
The prison was not damaged during the
bombing of Tokyo in World War II
The was a series of air raids on Japan by the United States Army Air Forces (USAAF), primarily launched during the closing campaigns of the Pacific Theatre of World War II in 1944–1945, prior to the atomic bombings of Hiroshima and Nagasaki ...
, and was taken over by the
Allied occupation forces during the
occupation of Japan
Japan was occupied and administered by the Allies of World War II from the surrender of the Empire of Japan on September 2, 1945, at the war's end until the Treaty of San Francisco took effect on April 28, 1952. The occupation, led by the ...
to house suspected
war criminal
A war crime is a violation of the laws of war that gives rise to individual criminal responsibility for actions by combatants in action, such as intentionally killing civilians or intentionally killing prisoners of war, torture, taking hostage ...
s as they awaited trial before the
International Military Tribunal for the Far East
The International Military Tribunal for the Far East (IMTFE), also known as the Tokyo Trial and the Tokyo War Crimes Tribunal, was a military trial convened on 29 April 1946 to Criminal procedure, try leaders of the Empire of Japan for their cri ...
. After the conclusion of the trials, Sugamo Prison was used to incarcerate some of the convicted and was the site of the execution of seven inmates
sentenced to death by
hanging
Hanging is killing a person by suspending them from the neck with a noose or ligature strangulation, ligature. Hanging has been a standard method of capital punishment since the Middle Ages, and has been the primary execution method in numerou ...
on December 23, 1948. The prison was also the execution site for 51 Japanese war criminals who were condemned in the
Yokohama War Crimes Trials. The last 7 executions were carried out on April 7, 1950.
The original compound was only in size. The construction of exterior fencing expanded the facility to double the original size. After being captured and re-purposed by Allied forces, the facility was operated by the United States’
Eighth Army. Under the U.S. occupation, Sugamo Prison was administered by 400–500 soldiers. There were approximately 2500 military personnel assigned to duty at the prison, but no more than 500 at any given time. The prison was operated by occupation authorities from December 1945 to May 1952. The structure housed some 2000 Japanese war criminals during its operation.
The prisoners ate
Japanese food prepared by Japanese personnel and served by the prisoners themselves. There were occasions when former
Prime Minister
A prime minister or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential system. A prime minister is not the head of state, but r ...
Hideki Tojo
was a Japanese general and statesman who served as Prime Minister of Japan from 1941 to 1944 during the Second World War. His leadership was marked by widespread state violence and mass killings perpetrated in the name of Japanese nationalis ...
served food to all other Class A prisoners. Some of the vegetables used in the meals were grown within the compound. On May 31, 1958, the last 18 Japanese war criminals still serving time in Sugamo Prison were paroled.
After the end of the occupation of Japan, Sugamo Prison passed to Japanese civilian government control. Most of the remaining war criminals were pardoned or
parole
Parole, also known as provisional release, supervised release, or being on paper, is a form of early release of a prisoner, prison inmate where the prisoner agrees to abide by behavioral conditions, including checking-in with their designated ...
d by the government. In 1962 its function as a prison ended. In 1971 the prison buildings were dismantled.
In 1978, the
Sunshine 60 Building, at its completion the tallest
skyscraper
A skyscraper is a tall continuously habitable building having multiple floors. Most modern sources define skyscrapers as being at least or in height, though there is no universally accepted definition, other than being very tall high-rise bui ...
in Japan, was built on the former site of Sugamo Prison. All that is left to commemorate the prison is a stone on which is engraved, in Japanese, "Pray for Eternal Peace." A water drainage outlet from the prison has been preserved in the park in front of the
Tokyo International University Ikebukuro Campus, which stands on part of the former prison grounds.
Notable inmates
*
Iva Toguri D'Aquino: American-Japanese suspected collaborator known as "Tokyo Rose.” Sentenced to 10 years in prison in the United States for treason, which she served in the United States. Released in 1956, and pardoned in 1977. Died in 2006.
*Minister of Foreign Affairs
Yōsuke Matsuoka: Died in prison in 1946, before he could be brought to trial.
*Marshal Admiral
Osami Nagano: Died in prison during his trial in 1947.
*
Vice Minister of Munitions Nobusuke Kishi
was a Japanese bureaucrat and politician who served as Prime Minister of Japan, prime minister of Japan from 1957 to 1960. He is remembered for his exploitative economic management of the Japanese puppet state of Manchukuo in China in the 1930s, ...
: Ran plundering of China, planned and ran the war, key deputy to
Tojo, Later Prime Minister (LDP) 1957–1960: Released after charges dropped in 1948. Died in 1987.
*
Matsutarō Shōriki, secretary of the
Political Police in Tokyo, later media mogul, LDP politician, Chief of the Information Department of the Interior Ministry: Released in 1948 after charges dropped. Died in 1969.
*
Yoshio Kodama, drug trafficking operations and Intelligence agent in China,
rear admiral
Rear admiral is a flag officer rank used by English-speaking navies. In most European navies, the equivalent rank is called counter admiral.
Rear admiral is usually immediately senior to commodore and immediately below vice admiral. It is ...
in the
Imperial Japanese Navy
The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, Potsdam Declaration, when it was dissolved followin ...
, Yakuza head: Released in 1948 after charges dropped. Died in 1984.
*Japanese fascist leader
Ryoichi Sasakawa: Released in 1948 after charges dropped. Died in 1995.
*Ambassador
Toshio Shiratori: Died in prison in 1949.
*General
Yoshijirō Umezu: Chief of the Imperial Japanese Army General Staff. Died in prison in 1949.
*Prime Minister
Kuniaki Koiso: Also an IJA general and
Governor-General of Korea
Governor-general (plural governors-general), or governor general (plural governors general), is the title of an official, most prominently associated with the British Empire. In the context of the governors-general and former British colonies, ...
. Died in prison in 1950.
*Lieutenant General
Shigeru Sawada: Released in 1950. Died in 1980.
*Minister of Foreign Affairs
Mamoru Shigemitsu: Paroled in 1950, and died in 1957.
*Lieutenant General
Takaji Wachi: Paroled in 1950. Died in 1978.
*Minister of Foreign Affairs
Shigenori Tōgō: Died in prison in 1950.
*Lieutenant General
Isamu Yokoyama: Convicted of having command responsibility for
vivisection
Vivisection () is surgery conducted for experimental purposes on a living organism, typically animals with a central nervous system, to view living internal structure. The word is, more broadly, used as a pejorative catch-all term for Animal test ...
and other human medical experiments performed at the
Kyushu Imperial University on downed
Allied airmen. Sentenced to death in 1948, but later reprieved. Died in prison in 1952.
*Prime Minister
Hiranuma Kiichirō: Paroled in 1952, and died a few months later.
*Lieutenant General
Sadae Inoue: Paroled in 1953. Died in 1961.
*Advisor
Kōichi Kido: Paroled in 1955, and died in 1977.
*Field Marshal
Shunroku Hata: Paroled in 1955, and died in 1962.
*General
Jirō Minami:
Governor-General of Korea
Governor-general (plural governors-general), or governor general (plural governors general), is the title of an official, most prominently associated with the British Empire. In the context of the governors-general and former British colonies, ...
. Paroled in 1954, and died in 1955.
*General
Sadao Araki
Baron was a general in the Imperial Japanese Army before and during World War II. As one of the principal nationalist right-wing political theorists in the Empire of Japan, he was regarded as the leader of the radical faction within the polit ...
: Paroled in 1955, and died in 1966.
*Admiral
Shigetarō Shimada: Minister of the Imperial Japanese Navy. Paroled in 1955, and died in 1976.
*Lieutenant General
Teiichi Suzuki: Paroled in 1955, and died in 1989.
*Minister of Finance
Okinori Kaya: Paroled in 1955, and died in 1977.
*Lieutenant General
Hiroshi Ōshima: Paroled in 1955, and died in 1975.
*Lieutenant General
Eitaro Uchiyama: Paroled in 1958, and died in 1973.
*General
Naoki Hoshino: Paroled in 1958, and died in 1978.
*
Tsunesaburo Makiguchi: First president of the Sōka Kyōiku Gakkai, died in prison in 1944.
Executed inmates
*
Hotsumi Ozaki: Executed for treason in 1944.
*
Richard Sorge
Richard Gustavovich Sorge (; 4 October 1895 – 7 November 1944) was a German-Russian journalist and GRU (Soviet Union), Soviet military intelligence officer who was active before and during World War II and worked undercover as a German journa ...
: Soviet spy, executed by the Japanese in 1944.
*Captain
Kaichi Hirate: Permitted the mistreatment and murder of Allied POWs. Executed in 1946.
*General
Kenji Doihara: Chief of intelligence services in Manchukuo. Executed in 1948.
*Prime Minister
Kōki Hirota: Executed in 1948.
*General
Seishirō Itagaki: Japanese war minister. Executed in 1948.
*General
Heitarō Kimura: Commander of the
Japanese Burma Area Army. Executed in 1948.
*Lieutenant General
Akira Mutō: Chief of staff of the
Japanese Fourteenth Area Army. Executed in 1948.
*General
Hideki Tojo
was a Japanese general and statesman who served as Prime Minister of Japan from 1941 to 1944 during the Second World War. His leadership was marked by widespread state violence and mass killings perpetrated in the name of Japanese nationalis ...
: Commander of
Kwantung Army
The Kwantung Army (Japanese language, Japanese: 関東軍, ''Kantō-gun'') was a Armies of the Imperial Japanese Army, general army of the Imperial Japanese Army from 1919 to 1945.
The Kwantung Army was formed in 1906 as a security force for th ...
and later the Prime Minister. Executed in 1948.
*Toshiaki Mukai and Tsuyoshi Noda: Perpetrators of the
hundred man killing contest during the
Nanjing Massacre
The Nanjing Massacre, or the Rape of Nanjing (formerly Chinese postal romanization, romanized as ''Nanking'') was the mass murder of Chinese civilians, noncombatants, and surrendered prisoners of war by the Imperial Japanese Army in Nanji ...
. Extradited to China and executed in 1948.
*Major General Yoshitaka Kawane and Colonel Kurataro Hirano: Convicted of having command responsibility in the
Bataan Death March
The Bataan Death March was the Death march, forcible transfer by the Imperial Japanese Army of around 72,000 to 78,000 American and Filipino prisoners of war (POWs) from the municipalities of Bagac and Mariveles on the Bataan Peninsula to Camp ...
. Executed in 1949.
*Lieutenant
Sadaaki Konishi: Convicted of torturing prisoners in a prison camp in the
Philippines
The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...
. Executed in 1949.
*Lieutenant General
Tasuku Okada: Ordered the massacre of 38 U.S. POWs. Executed in 1949.
See also
*
Landsberg Prison
Landsberg Prison is a prison in the town of Landsberg am Lech in the southwest of the German state of Bavaria, about west-southwest of Munich and south of Augsburg. It is best known as the prison where Adolf Hitler was held in 1924, after the ...
in
Bavaria
Bavaria, officially the Free State of Bavaria, is a States of Germany, state in the southeast of Germany. With an area of , it is the list of German states by area, largest German state by land area, comprising approximately 1/5 of the total l ...
,
Germany
Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
*
Spandau Prison in
West Berlin
West Berlin ( or , ) was a political enclave which comprised the western part of Berlin from 1948 until 1990, during the Cold War. Although West Berlin lacked any sovereignty and was under military occupation until German reunification in 1 ...
References
*
{{Authority control
Buildings and structures in Toshima
Execution sites in Japan
International Military Tribunal for the Far East
1895 establishments in Japan
1971 disestablishments in Japan
Defunct prisons in Japan
Tokyo in World War II
Occupied Japan
Military prisons
Former buildings and structures in Tokyo