Kodansha

Kodansha Ltd. is a Japanese privately held publishing and music company headquartered in Bunkyō, Tokyo. Kodansha publishes manga magazines including Nakayoshi, Morning, Afternoon, Weekly Young Magazine, Weekly Shōnen Magazine, and Bessatsu Shōnen Magazine, as well as the more literary magazines Gunzō and Shūkan Gendai, as well as the Japanese dictionary Nihongo Daijiten. Kodansha was founded by Seiji Noma in November 1909, and members of his family continue as its owners either directly or through the Noma Cultural Foundation.