Kodansha

Kodansha is a Japanese publishing company.

Kodansha is the largest publisher in Japan and produces the manga magazines Nakayoshi, Afternoon, Evening, and Weekly Shonen Magazine, as well as more literary magazines such as Gunzō, Shūkan Gendai, and the Japanese dictionary Nihongo Daijiten. The company has its headquarters in Bunkyō, Tokyo. The Noma family—relatives of the founder—continues to own Kodansha Source: [Wikipedia] (http://en.wikipedia.org/wiki/Kodansha)