Nihon Hyōronsha
A long-established Japanese academic and legal publisher, known for journals such as Hōritsu Jihō, Hōgaku Seminar, Keizai Seminar, Sūgaku Seminar and Kokoro no Kagaku.
Last updated September 27, 2026
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Overview
Nihon Hyōronsha (株式会社日本評論社, abbreviated "nippyo") is a Japanese publishing house headquartered in Minami-Otsuka, Toshima-ku, Tokyo. It traces its origins to 1918 (Taishō 7), when it was founded as the publishing division of Nihon Hyōronsha; the modern joint-stock company, Nihon Hyōron Shinsha, was established in May 1952 to succeed the business and was renamed Nihon Hyōronsha in November 1963. The company is widely regarded as one of Japan's leading "hard-line" (kōha) intellectual publishers, with a catalogue concentrated in law, economics, mathematics, psychology, medicine, social science and the humanities. The firm began with a literary focus but shifted toward social problems and the social sciences in the early Shōwa period, growing rapidly through legal compendia edited by Izutaro Suehiro and works by Eijirō Kawai. Its history is marked by two prewar and wartime free-speech crackdowns: the Kawai Eijirō Incident (1938–1943) and the Yokohama Incident (1942–1945). Its magazine Keizai Ōrai (later renamed Nihon Hyōron) once stood alongside Chūō Kōron and Kaizō as a leading general-interest monthly, and it also published literary works such as Miyamoto Yuriko's "Sangatsu no Daiyon Nichiyōbi" and Kōda Rohan's "Renkan-ki." Nihon Hyōronsha's identity is built around a network of journals. Hōritsu Jihō was launched in 1929 by Dr. Izutaro Suehiro and is still published today. Around 1960 the company created a new genre of academic-general magazines with Hōgaku Seminar, Keizai Seminar and Sūgaku Seminar, and later added Kokoro no Kagaku and Karada no Kagaku, addressing modern anxieties about mind and body. These journals feed a book list featuring many prominent authors. Today the company publishes books and journals across law, economics, mathematics, psychology, medicine, education, welfare, science and engineering, and offers digital content and e-book editions. Its legal publishing arm issues the Shin Kihonhō Kommentāru series and works on civil procedure, civil law, criminal procedure, land and housing law, corporate law, and family law, updated to reflect recent statutory and IT-related reforms. The company is privately held, with stated capital of 20 million yen and 53 employees, and is led by representative Eijirō Shibata (柴田英輔).
History
Nihon Hyōronsha was founded at the end of 1918 (Taishō 7) as the publishing division of Nihon Hyōronsha. In its early years it focused on literature, but by the early Shōwa period (around 1927) it shifted its emphasis toward social problems and the social sciences, reflecting the social conditions of the time. It grew rapidly through legal compendia edited by Dr. Izutaro Suehiro and through works by Eijirō Kawai. The company's prewar and wartime history was marked by two major free-speech crackdowns. The Kawai Eijirō Incident (1938–1943) involved the University of Tokyo professor Kawai, who criticized the February 26 Incident; his books were banned and he was prosecuted under the Publication Law. The Yokohama Incident (1942–1945) saw many commentators and publishers prosecuted under the Peace Preservation Law. During this period its magazine Keizai Ōrai (later renamed Nihon Hyōron) stood as a general-interest monthly alongside Kaizō and Chūō Kōron, and the company also published literary works such as Miyamoto Yuriko's "Sangatsu no Daiyon Nichiyōbi" and Kōda Rohan's "Renkan-ki." Hōritsu Jihō was launched in 1929 (Shōwa 4) by Dr. Izutaro Suehiro and is still published today. Around 1960 (Shōwa 35), the company successively launched Hōgaku Seminar, Keizai Seminar and Sūgaku Seminar, creating a new genre of academic-general magazines. It later added Kokoro no Kagaku and Karada no Kagaku, addressing modern anxieties about mind and body. In May 1952 (Shōwa 27), a new joint-stock company, Nihon Hyōron Shinsha, was established to succeed the business. In November 1963 it changed its name to Nihon Hyōronsha. The company remains headquartered in Minami-Otsuka, Toshima-ku, Tokyo, and continues to publish books and journals across law, economics, mathematics, psychology, medicine, education, welfare, science and engineering, as well as digital content and e-books.
- 1963
In November 1963, the company changed its name to Nihon Hyōronsha.
- 1960
Around 1960, launched Hōgaku Seminar, Keizai Seminar and Sūgaku Seminar, creating a new genre of academic-general magazines.
- 1952
In May 1952, Nihon Hyōron Shinsha was established to succeed the business.
- 1942
Yokohama Incident (1942–1945): many commentators and publishers prosecuted under the Peace Preservation Law.
- 1940
Published Kawai Eijirō, Gakusei ni Atau.
- 1938
Kawai Eijirō Incident (1938–1943): books banned and prosecuted under the Publication Law.
- 1936
Published Suehiro Izutaro (ed.), Shin Hōgaku Zenshū (36 volumes, 1936–1940).
- 1936
Published Kawai Eijirō (ed.), Gakusei Sōsho (12 volumes, 1936–1941).
- 1929
Hōritsu Jihō launched by Dr. Suehiro Izutaro.
- 1928
Published Yoshino Sakuzō (ed.), Meiji Bunka Zenshū (24 volumes, 1928–1930).
Products and positioning
A prestigious, intellectually serious Japanese academic and legal publisher, known for its long-running journals and its "hard-line" (kōha) reputation in social science and law.
Hōritsu Jihō (法律時報)
A legal journal launched in 1929 by Dr. Suehiro Izutaro and still published today.
Hōgaku Seminar (法学セミナー)
An academic-general magazine launched around 1960.
Keizai Seminar (経済セミナー)
An academic-general magazine launched around 1960.
Sūgaku Seminar (数学セミナー)
An academic-general magazine launched around 1960.
Kokoro no Kagaku (こころの科学)
A magazine addressing modern anxieties about the mind.
Karada no Kagaku (からだの科学)
A magazine addressing modern anxieties about the body.
Shin Kihonhō Kommentāru (新基本法コンメンタール)
A series of article-by-article legal commentaries covering civil law, civil procedure, criminal procedure, land and housing law, corporate law, family law and more.
Meiji Bunka Zenshū (明治文化全集)
A 24-volume collection edited by Yoshino Sakuzō (representative), published 1928–1930.
Gendai Hōgaku Zenshū (現代法学全集)
A 39-volume collection edited by Suehiro Izutaro, published 1928–1931.
Shin Hōgaku Zenshū (新法学全集)
A 36-volume collection edited by Suehiro Izutaro, published 1936–1940.
Gakusei Sōsho (学生叢書)
A 12-volume collection edited by Kawai Eijirō, published 1936–1941.
Gakusei ni Atau (学生に与う)
A work by Kawai Eijirō published in 1940.
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