ウェブIwanami Shoten, Publishers (株式会社岩波書店, Kabushiki Gaisha Iwanami Shoten) is a Japanese publishing company based in Tokyo. [2] Iwanami Shoten was founded in 1913 by Iwanami Shigeo. Its first major publication was Natsume Sōseki 's novel Kokoro, which appeared as a book in 1914 after being serialized in the Asahi Shimbun.