Yawara Hata (畑和, Hata Yawara; 29 September 1910 – 26 January 1996) was a Japanese politician, who served as a member of…Yawara Hata (畑和, Hata Yawara; 29 September 1910 – 26 January 1996) was a Japanese politician, who served as a member of the House of Representatives and a governor of Saitama Prefecture. In 1993 he received the highest distinction of the Scout Association of Japan, the Golden Pheasant Award.
Kiyoshi Nakakura (中倉 清, Nakakura Kiyoshi; 1910–2000) was a Japanese practitioner of kendo, iaido and aikido. Nakakura…Kiyoshi Nakakura (中倉 清, Nakakura Kiyoshi; 1910–2000) was a Japanese practitioner of kendo, iaido and aikido. Nakakura was originally the top kendo student of Nakayama Hakudō. When Nakayama was asked to send a representative of kendo to Morihei Ueshiba's aikido dojo, he appointed Nakakura to the role. Nakakura married Ueshiba's daughter Matsuko and was legally adopted into the Ueshiba family, taking the name Morihiro Ueshiba. Nakakura was impressed with Ueshiba's martial skills (particularly after his adopted father was able to fend off a simultaneous attack from both Nakakura and the fencing expert Junichi Haga), but disagreed with Ueshiba's Oomoto-kyo beliefs and left the family after a few years. His role as heir to Ueshiba's art was taken by Ueshiba's birth son, Kisshomaru. Nakakura continued to train in kendo and iaido throughout his life, achieving 9th dan in both.
Tanaka Tatsuo (Japanese: 田中 龍夫, Tanaka Tatsuo; 20 September 1910 – 30 March 1998) was a Japanese politician and baron…Tanaka Tatsuo (Japanese: 田中 龍夫, Tanaka Tatsuo; 20 September 1910 – 30 March 1998) was a Japanese politician and baron who served as Minister of Education from 1980 to 1981 and Minister of International Trade and Industry from 1976 to 1977. He was the eldest son of Prime Minister Tanaka Giichi.
Kozaburo Hirai (平井 康三郎, Hirai Kōzaburō; 10 September 1910 – 30 November 2002) was a Japanese composer and professor of…Kozaburo Hirai (平井 康三郎, Hirai Kōzaburō; 10 September 1910 – 30 November 2002) was a Japanese composer and professor of music. He was the father of pianist, composer and musicologist Takejiro Hirai and cellist Jyoichiro Hirai.
Teiichiro Morinaga (森永貞一郎, Morinaga Teiichiro; September 9, 1910 – May 30, 1986) was a Japanese businessman and central…Teiichiro Morinaga (森永貞一郎, Morinaga Teiichiro; September 9, 1910 – May 30, 1986) was a Japanese businessman and central banker who served as the 23rd Governor of the Bank of Japan (BOJ).
Japanese supercentenarians are citizens, residents or emigrants from Japan who have attained or surpassed the age of…Japanese supercentenarians are citizens, residents or emigrants from Japan who have attained or surpassed the age of 110 years. As of January 2015, the Gerontology Research Group (GRG) had validated the longevity claims of 263 Japanese supercentenarians, most of whom are women. As of 18 October 2026, the oldest-known living Japanese person is Fuyo Kishimoto (born in Hamasaka on 20 December 1911), who is aged 114 years, 302 days. The oldest verified Japanese and Asian person ever is Kane Tanaka (1903–2022), who lived to the age of 119 years and 107 days, making her the second-oldest validated person ever as well. Japan was also home to the world's oldest man ever, Jiroemon Kimura (1897–2013), who lived to the age of 116 years and 54 days.
Yutaka Katayama (片山 豊, Katayama Yutaka; born Yutaka Asoh; 15 September 1909 – 19 February 2015), also known as Mr. K…Yutaka Katayama (片山 豊, Katayama Yutaka; born Yutaka Asoh; 15 September 1909 – 19 February 2015), also known as Mr. K, was a Japanese automotive executive who was employed by Nissan and served as the first president of Nissan Motor Corporation U.S.A. Katayama expanded Nissan's focus from economy vehicles towards sportier vehicles, and is regarded by Datsun/Nissan Z Car enthusiasts as the father of the Z-Car, as well as the Datsun 510.
Setsuko, Princess Chichibu (雍仁親王妃勢津子, Yasuhito Shinnōhi Setsuko; born Setsuko Matsudaira (松平節子, Matsudaira Setsuko); 9…Setsuko, Princess Chichibu (雍仁親王妃勢津子, Yasuhito Shinnōhi Setsuko; born Setsuko Matsudaira (松平節子, Matsudaira Setsuko); 9 September 1909 – 25 August 1995) was a member of the Japanese imperial family and the wife of Yasuhito, Prince Chichibu, the second son of Emperor Taishō and Empress Teimei. Setsuko was a sister-in-law of Emperor Shōwa and an aunt by marriage of Emperor Akihito.
Egerton Herbert Norman (September 1, 1909 – April 4, 1957) was a Canadian diplomat and historian. Born in Japan to…Egerton Herbert Norman (September 1, 1909 – April 4, 1957) was a Canadian diplomat and historian. Born in Japan to missionary parents, he became a historian of modern Japan before joining the Canadian foreign service. His most influential book was Japan's Emergence as a Modern State (1940) where he argued that persisting feudal class relations were responsible for government oppression at home and the imperialistic expansion that led to World War II in Asia. During the Red Scare of the 1950s Norman was accused of being a communist or even a spy, though investigations found no corroboration and he was defended by Canadian authorities. He committed suicide in 1957.
Yoshio Fujita (藤田 良雄, Fujita Yoshio; 28 September 1908 – 13 January 2013) was a Japanese astronomer known for his…Yoshio Fujita (藤田 良雄, Fujita Yoshio; 28 September 1908 – 13 January 2013) was a Japanese astronomer known for his contributions on spectroscopic observations of low temperature stars. He also served as president of the Japan Academy from April 1994 to April 2000.
Saizo Saito (斎藤 才三, Saitō Saizō; September 24, 1908 – 2004) was a Japanese football player. He played for Japan…Saizo Saito (斎藤 才三, Saitō Saizō; September 24, 1908 – 2004) was a Japanese football player. He played for Japan national team.
Taro Yashima (八島 太郎, Yashima Tarō; born Atsushi Iwamatsu (岩松 淳, Iwamatsu Atsushi); September 21, 1908 — June 30, 1994)…Taro Yashima (八島 太郎, Yashima Tarō; born Atsushi Iwamatsu (岩松 淳, Iwamatsu Atsushi); September 21, 1908 — June 30, 1994) was a Japanese-American artist and children's book author. He immigrated to the United States in 1939 and assisted the U.S. war effort.
Tatsuo Shimabuku (島袋 龍夫, Shimabuku Tatsuo; September 19, 1908 – May 30, 1975) was an Okinawan, Japanese martial artist.…Tatsuo Shimabuku (島袋 龍夫, Shimabuku Tatsuo; September 19, 1908 – May 30, 1975) was an Okinawan, Japanese martial artist. He is the founder of Isshin-ryū ("One Heart Style/One Heart Way") style of karate.
Admiral Sugie Ichizo (杉江 一三, Ichizo Sugie; 18 September 1908 – 27 July 1999) was a Japanese naval officer who served in…Admiral Sugie Ichizo (杉江 一三, Ichizo Sugie; 18 September 1908 – 27 July 1999) was a Japanese naval officer who served in both the Imperial Japanese Navy and the post-war Japan Maritime Self-Defense Force (JMSDF). A staff officer during the Second World War Ichizo joined the post-war Coastal Security Force in 1953 before transferring to the JMSDF the following year where he most notably served as the second Chairman of Joint Staff Council of the Japan Self-Defense Force, from 1964 until his retirement in 1966.
Shigekazu Shimazaki (嶋崎 重和, Shimazaki Shigekazu; 9 September 1908 – 9 January 1945) was a Japanese career officer in…Shigekazu Shimazaki (嶋崎 重和, Shimazaki Shigekazu; 9 September 1908 – 9 January 1945) was a Japanese career officer in the Imperial Japanese Navy Air Service during World War II.
Ryuichi Obitani (帯谷 竜一; older form 帶谷 龍一, Obitani Ryūichi; born September 4, 1908, date of death unknown) was a…Ryuichi Obitani (帯谷 竜一; older form 帶谷 龍一, Obitani Ryūichi; born September 4, 1908, date of death unknown) was a Japanese figure skater. He represented Japan at the 1932 Winter Olympics and World Figure Skating Championships in 1932.
Eijirō Tōno (東野英治郎, Tōno Eijirō; 17 September 1907 – 8 September 1994) was a Japanese actor who, in a career lasting…Eijirō Tōno (東野英治郎, Tōno Eijirō; 17 September 1907 – 8 September 1994) was a Japanese actor who, in a career lasting more than 50 years, appeared in over 400 television shows, nearly 250 films and numerous stage productions. He is best known in the West for his roles in films by Akira Kurosawa, such as Seven Samurai (1954) and Yojimbo (1961), and films by Yasujirō Ozu, such as Tokyo Story (1953) and An Autumn Afternoon (1962). He also appeared in Kill! by Kihachi Okamoto and Tora! Tora! Tora!, a depiction of the Japanese attack on Pearl Harbor. His final film was Juzo Itami's A-ge-man (Tales of a Golden Geisha) in 1990. Tōno also starred as the title character in the long-running television jidaigeki series Mito Kōmon from 1969 to 1983. In the early years of his career he acted under the name of Katsuji Honjo (本庄克二).
Kintaro Usuda (臼田 金太郎, Usuda Kintarō; September 25, 1906 in Ota-ku, Tokyo, Japan – May 27, 1980) was a Japanese boxer…Kintaro Usuda (臼田 金太郎, Usuda Kintarō; September 25, 1906 in Ota-ku, Tokyo, Japan – May 27, 1980) was a Japanese boxer who competed in the 1928 Summer Olympics. In 1928 he was eliminated in the quarter-finals of the welterweight class after losing his fight to the upcoming bronze medalist Raymond Smillie.
Tomoji Ishizuka (石塚 友二; 20 September 1906 – 8 February 1984), known by his pen name written in different kanji (石塚 友二)…Tomoji Ishizuka (石塚 友二; 20 September 1906 – 8 February 1984), known by his pen name written in different kanji (石塚 友二), was a Japanese haiku poet and novelist active during the Shōwa era.
Matsuo Kishi (岸松雄, Kishi Matsuo) (18 September 1906 – 17 August 1985) was a Japanese film critic, director…Matsuo Kishi (岸松雄, Kishi Matsuo) (18 September 1906 – 17 August 1985) was a Japanese film critic, director, screenwriter, producer, and biographer. His real name was Aji Shūichirō. Born in Tokyo, he became interested in film from his days in high school and, continuing to Keio University, began submitting reviews to magazines such as Kinema Junpo and editing theater programs. Starting a dōjinshi Eiga kaihō with Tsuneo Hazumi, Kishi became involved in the left-wing film movement of the late 1920s, eventually becoming a member of the Proletarian Film League of Japan (Prokino). He soon left due to dissatisfaction with such a political approach to film. In 1932, he became the first critic to champion the work of Sadao Yamanaka, and later was a strong supporter of the films of Hiroshi Shimizu. In 1937, he gave up being a film critic and became an assistant director at Toho, where he directed one film— Kazaguruma, in 1938— before concentrating on screenwriting. After the war, he mainly worked at Shintoho, serving as producer on a few films, and wrote scripts for such directors as Shimizu and Mikio Naruse. All along he continued writing on film, especially penning numerous biographical accounts of the many people he knew in the Japanese film world.
Sumihiko Hatsushima (初島 住彦, Hatsushima Sumihiko; September 1906 – January 22, 2008) was a Japanese botanist. In…Sumihiko Hatsushima (初島 住彦, Hatsushima Sumihiko; September 1906 – January 22, 2008) was a Japanese botanist. In scholarly works using the Latin alphabet, his name is generally romanised as "Sumihiko Hatusima" following the "Kunrei" system. Hatsushima was born in Nagasaki Prefecture, Japan in 1906. His tertiary studies and early lectureship was at Kyushu Imperial University, where he was awarded a doctorate in 1942. He accompanied Ryōzō Kanehira on a collecting expedition in New Guinea in 1940. Hatsushima returned to Austronesia in a collecting expedition to the Philippines in 1964. Hatsushima died in 2008.
Saburō Hasegawa (長谷川 三郎, Hasegawa Saburō; 6 September 1906 – 11 March 1957) was a Japanese-born American calligrapher…Saburō Hasegawa (長谷川 三郎, Hasegawa Saburō; 6 September 1906 – 11 March 1957) was a Japanese-born American calligrapher, painter, art writer, curator, and teacher. He was an early advocate of abstract art in Japan and an equally vocal supporter of the Japanese traditional arts (Japanese calligraphy, ikebana, tea ceremony, ink painting) and Zen Buddhism. Throughout his career he argued for the connection between East Asian classical arts and Western abstract painting.
Kenkichi Sugimoto (杉本健吉) (September 20, 1905 in Nagoya – February 10, 2004 in Nagoya) was a Japanese artist. He was…Kenkichi Sugimoto (杉本健吉) (September 20, 1905 in Nagoya – February 10, 2004 in Nagoya) was a Japanese artist. He was known as an oil painter, illustrator, and graphic designer. In 1987 the Meitetsu railroad company opened the Sugimoto Art Museum in Mihama, Aichi.
Jisaburo Ohwi (大井 次三郎, Ōi Jisaburō; 18 September 1905 – 22 February 1977) was a Japanese botanist. He was a…Jisaburo Ohwi (大井 次三郎, Ōi Jisaburō; 18 September 1905 – 22 February 1977) was a Japanese botanist. He was a distinguished member of the Faculty of Science of Kyoto Imperial University. He is perhaps best known for his 1953 Flora of Japan (日本植物誌, Nihon Shokubutsushi).
Heihachiro Okawa (Japanese: 大川 平八郎, Hepburn: Ōkawa Heihachirō; 9 September 1905 – 27 May 1971), also credited as Henry…Heihachiro Okawa (Japanese: 大川 平八郎, Hepburn: Ōkawa Heihachirō; 9 September 1905 – 27 May 1971), also credited as Henry Okawa (ヘンリー大川), was a Japanese film actor active from the 1930s to 1971. With hopes of starting a business, he traveled to the United States in 1923 and studied at Columbia University. He also studied at the Paramount Studios acting school and eventually began working in Hollywood, appearing in films by Howard Hawks and William Wellman. He returned to Japan in 1933 and co-starred in the Photo Chemical Laboratories (PCL) film Horoyoi jinsei. He later appeared in foreign films under the name Henry Okawa. He is best known for Moyuru ōzora (1940), Dawn of Freedom (1944) Tokyo File 212 (1951), Floating Clouds (1955) and The Bridge on the River Kwai (1957).
Hashimoto Kunihiko (橋本國彦; also Qunihico Hashimoto) (September 14, 1904 – May 6, 1949) was a Japanese composer…Hashimoto Kunihiko (橋本國彦; also Qunihico Hashimoto) (September 14, 1904 – May 6, 1949) was a Japanese composer, violinist, conductor, and musical educator.
Kinosuke Ebihara (海老原 喜之助, Ebihara Kinosuke; 13 September 1904 – 19 September 1970) was a Japanese painter. His work…Kinosuke Ebihara (海老原 喜之助, Ebihara Kinosuke; 13 September 1904 – 19 September 1970) was a Japanese painter. His work was part of the painting event in the art competition at the 1936 Summer Olympics.
Aya Kōda (幸田文, Kōda Aya; 1 September 1904 – 31 October 1990) was a Japanese writer of novels, short stories and essays.…Aya Kōda (幸田文, Kōda Aya; 1 September 1904 – 31 October 1990) was a Japanese writer of novels, short stories and essays. She was the daughter of writer Rohan Kōda. Among her most noted works is the 1955 novel Nagareru.
Tateo Katō (加藤 建夫, Katō Tateo; September 28, 1903 – May 22, 1942) was a Japanese ace army aviator, credited with at…Tateo Katō (加藤 建夫, Katō Tateo; September 28, 1903 – May 22, 1942) was a Japanese ace army aviator, credited with at least 18 aerial victories and who was honored posthumously by an award of the Order of the Golden Kite.
Yonetaro Nakazawa (中沢 米太郎, Nakazawa Yonetarō; September 26, 1903 – February 5, 1984) was a Japanese track and field…Yonetaro Nakazawa (中沢 米太郎, Nakazawa Yonetarō; September 26, 1903 – February 5, 1984) was a Japanese track and field athlete. He competed at the 1928 Summer Olympics in the pole vault and decathlon and finished in sixth and 22nd place, respectively. He was the flag bearer for Japan at those Olympics. He also competed for Japan at the Far Eastern Championship Games (a forerunner to the Asian Games) and was the winner of the pole vault competition in 1923 in Osaka and again in 1927.
Ayako Ishigaki (石垣 綾子, Ishigaki Ayako; 1903 – 1996) was an Issei journalist, activist, and feminist, who was among the…Ayako Ishigaki (石垣 綾子, Ishigaki Ayako; 1903 – 1996) was an Issei journalist, activist, and feminist, who was among the first Japanese American women to publish a memoir in English.
Hidesaburō Shōda (正田 英三郎, Shōda Hidesaburō; 21 September 1903 – 18 June 1999) was a Japanese businessman. He served as…Hidesaburō Shōda (正田 英三郎, Shōda Hidesaburō; 21 September 1903 – 18 June 1999) was a Japanese businessman. He served as the president and later honorary chairman of Nisshin Seifun Group, the country's largest flour milling company. He was the father of Empress Michiko, is the father in law of Emperor Akihito, and the maternal grandfather of Emperor Naruhito. He was the third son of Teiichiro Shōda, the founder of the Nisshin Seifun Group. The Shōda family is prominent in both industrial and academic circles.
Minanogawa Tōzō (Japanese: 男女ノ川 登三; September 17, 1903 – January 20, 1971), also known as Asashio Kyojiro (朝潮 供次郎), was…Minanogawa Tōzō (Japanese: 男女ノ川 登三; September 17, 1903 – January 20, 1971), also known as Asashio Kyojiro (朝潮 供次郎), was a Japanese professional sumo wrestler from Tsukuba, Ibaraki. He was the sport's 34th yokozuna.
Yoshio Kosugi (小杉 義男, Kosugi Yoshio; 15 September 1903 – 12 March 1968) was a Japanese actor. He appeared in more than…Yoshio Kosugi (小杉 義男, Kosugi Yoshio; 15 September 1903 – 12 March 1968) was a Japanese actor. He appeared in more than 120 films from 1924 to 1967.
Giyo Saito (斎藤 魏洋, Saitō Giyō; 14 September 1903 – September 1944) was a Japanese swimmer. He competed in two events at…Giyo Saito (斎藤 魏洋, Saitō Giyō; 14 September 1903 – September 1944) was a Japanese swimmer. He competed in two events at the 1924 Summer Olympics. He died during World War II.
Uichiro Hatta (八田 卯一郎, Hatta Uichirō; September 10, 1903 – April 20, 1989) was a Japanese football player. He played…Uichiro Hatta (八田 卯一郎, Hatta Uichirō; September 10, 1903 – April 20, 1989) was a Japanese football player. He played for Japan national team.
Kensaku Shimaki (島木 健作, Shimaki Kensaku; 7 September 1903 – 17 August 1945) was the pen name of Asakura Kikuo (朝倉 菊雄)…Kensaku Shimaki (島木 健作, Shimaki Kensaku; 7 September 1903 – 17 August 1945) was the pen name of Asakura Kikuo (朝倉 菊雄), a Japanese author active during the Shōwa period in Japan. He had an interest in leftist ideology and was arrested in 1928 due to his ties to the Japanese Communist Party. Throughout his literary career, Shimaki wrote multiple novels and stories with a common theme being proletariat life. Some of his works were published by magazines and journals. He associated with Nobel laureate Kawabata Yasunari.
Shikō Munakata (棟方 志功, Munakata Shikō; September 5, 1903 – September 13, 1975) was a woodblock printmaker active in…Shikō Munakata (棟方 志功, Munakata Shikō; September 5, 1903 – September 13, 1975) was a woodblock printmaker active in Shōwa period Japan. He is associated with the sōsaku-hanga movement and the mingei (folk art) movement. Munakata was awarded the "Prize of Excellence" at the Second International Print Exhibition in Lugano, Switzerland in 1952, and first prize at the São Paulo Bienal Exhibition in Brazil in 1955, followed by Grand Prix at the Venice Biennale in 1956, and the Order of Culture, the highest honor in the arts by the Japanese government in 1970.
Su Buqing, also spelled Su Buchin (simplified Chinese: 苏步青; traditional Chinese: 蘇步青; September 23, 1902 – March 17…Su Buqing, also spelled Su Buchin (simplified Chinese: 苏步青; traditional Chinese: 蘇步青; September 23, 1902 – March 17, 2003), was a Chinese mathematician, educator and poet. He was the founder of differential geometry in China, and served as president of Fudan University and honorary chairman of the Chinese Mathematical Society.
Kiyoo Wadati (和達 清夫, Wadachi Kiyoo; September 8, 1902 – January 5, 1995) was an early seismologist at the Central…Kiyoo Wadati (和達 清夫, Wadachi Kiyoo; September 8, 1902 – January 5, 1995) was an early seismologist at the Central Meteorological Observatory of Japan (now known as the Japan Meteorological Agency), researching deep (subduction zone) earthquakes. His name is attached to the Wadati–Benioff zone. It was Wadati's 1928 paper on shallow and deep earthquakes, comparing maximum below surface displacement against distance from the epicentre, which led Charles Richter to develop his earthquake magnitude scale in 1935.
Eisuke Takizawa (滝沢英輔, Takizawa Eisuke; 6 September 1902 – 29 November 1965) (alternate name: Kinpachi Kajiwara) was a…Eisuke Takizawa (滝沢英輔, Takizawa Eisuke; 6 September 1902 – 29 November 1965) (alternate name: Kinpachi Kajiwara) was a Japanese film director.
Hajime Hosokawa (細川 一, Hosokawa Hajime; 23 September 1901 – 13 October 1970) was director of the company hospital…Hajime Hosokawa (細川 一, Hosokawa Hajime; 23 September 1901 – 13 October 1970) was director of the company hospital attached to the Chisso Corporation's chemical factory in Minamata, Kumamoto prefecture, Japan. He was the first doctor to discover and treat patients of the massive outbreak of mercury poisoning that occurred in the town, which became known as Minamata disease.
Hideo Oguma (小熊秀雄, Oguma Hideo; 9 September 1901 – 20 November 1940) was a Japanese poet for the Proletarian literature…Hideo Oguma (小熊秀雄, Oguma Hideo; 9 September 1901 – 20 November 1940) was a Japanese poet for the Proletarian literature movement and was noted for writing children's stories, comic books and literary criticism. A Hideo Oguma poetry prize is awarded for new poetry writers.
Toshihiro Kennoki (Japanese: 剱木亨弘; 3 September 1901 - 29 November 1992) was a Japanese politician who served as…Toshihiro Kennoki (Japanese: 剱木亨弘; 3 September 1901 - 29 November 1992) was a Japanese politician who served as Minister of Education under Prime Minister Eisaku Satō from 1966 to 1967. Kennoki was an official in the Ministry of Education and rose to the position of vice minister. He also served as Deputy Chief Cabinet Secretary under Prime Minister Shigeru Yoshida. He was elected to the House of Councilors in 1953 and was active as an expert in education policy. As minister of education under Satō he is credited for having been one of the central figures who helped drive the Central Council for Education to consider education reform.
Junzō Inamura (稲村 順三, Inamura Junzō, 30 September 1900 – 21 February 1955) was a Japanese peasant movement activist and…Junzō Inamura (稲村 順三, Inamura Junzō, 30 September 1900 – 21 February 1955) was a Japanese peasant movement activist and politician who served five terms in the House of Representatives. Active in the prewar proletarian and agrarian movements, he later became a leading figure in the left wing of the Japan Socialist Party and the Left Socialist Party of Japan, helping draft its platform. He died suddenly during the 1955 general election campaign; his elder brother Ryūichi Inamura ran as a replacement candidate and was elected. He used the pen name Susumu Murakami (村上 進).
Toyoaki Horiuchi (Japanese: 堀内 豊秋, Hepburn: Horiuchi Toyoaki; 27 September 1900 – 25 September 1948) was a Japanese…Toyoaki Horiuchi (Japanese: 堀内 豊秋, Hepburn: Horiuchi Toyoaki; 27 September 1900 – 25 September 1948) was a Japanese Navy officer; his highest rank was daisa (大佐, captain). He was known for the development of naval gymnastics, which were meant to improve the alertness and flexibility of sailors in closed areas of warships and he was known for leading the paratroopers. He was the first jumper during the drop on an airfield 60 km south of Manado, Indonesia, in the Battle of Manado.
Jun Tosaka (Japanese: 戸坂 潤, Hepburn: Tosaka Jun; 27 September 1900 – 9 August 1945) was a Shōwa era Kyoto-trained…Jun Tosaka (Japanese: 戸坂 潤, Hepburn: Tosaka Jun; 27 September 1900 – 9 August 1945) was a Shōwa era Kyoto-trained Japanese philosopher, intellectual and teacher. Some identify strands of Marxism in his later philosophy. His criticisms of governments and their war policies caused him to end up in prison on various occasions.