Kadokawa Shoten was established on November 10, 1945 by Genyoshi Kadokawa. The company's first publication imprint, Kadokawa Bunko, was published in 1949. The company went public on April 2, 1954. In 1975, Haruki Kadokawa became the president of Kadokawa Shoten, following Genyoshi Kadokawa's death. On April 1, 2003, Kadokawa Shoten was renamed to Kadokawa Holdings, transferring the existing publishing businesses to Kadokawa Shoten. On July 1, 2006, the parent company was renamed to Kadokawa Group Holdings, and inherited the management and integration businesses within Kadokawa Shoten. In January 2007, Kadokawa Group Holdings inherited the management and integration businesses within Kadokawa Shoten. The magazine businesses was transferred to the Kadokawa Magazine Group. The video game divisions of Kadokawa Shoten, ASCII Media Works and Enterbrain were merged into Kadokawa Games. Kadokawa Shoten ceased being a kabushiki gaisha on October 1, 2013 when it was merged with eight other companies to become a brand company of Kadokawa Corporation.
Kadokawa Haruki Corporation: Founded in 1976 Haruki Kadokawa as a film production company. The company was later merged into Kadokawa Shoten. When Haruki Kadokawa was still on bail following his 1993 arrest, Kadokawa Haruki Corporation was established by Haruki Kadokawa on September 12, 1995 as a publisher.
Fujimi Shobo: In 1991, Fujimi Shobo was merged into Kadokawa Shoten, but continued operations as a division of Kadokawa Shoten.
The Television): In 1993, it was merged into Kadokawa Shoten.
Kadokawa Media Office: In 1993, it was merged into Kadokawa Shoten.
Kadokawa J-com media
Kadokawa Gakugei Shuppan Publishing: Formerly Hichō Kikaku, it was renamed on April 1, 2003.
Asmik Ace Entertainment: In 2006, Sumitomo Corporation purchased the 27.6% common stock of Asmik Ace from Kadokawa Shoten, and distributed the 75.3% stock of Asmik Ace into a subsidiary of Sumitomo, leaving Kadokawa Shoten a 20% stake holder. In 2007, Kadokawa's stake of Asmik Ace was transferred to Kadokawa Group Holdings. In 2010, Sumitomo purchased the remaining 20% stake from Kadokawa Group Holdings.