Tokyo Sogensha

[3] As a science fiction publisher, Tokyo Sogensha began with the translation of Fredric Brown's works as a division of Sōgen Suiri Bunko in 1963.

The division and its continuation, which was renamed as Sōgen SF Bunko [ja] in 1991, are Japan's oldest existing Sci-Fi bunkobon label.

It published 677 books as of 2015[4] including the works of Arthur C. Clarke, Isaac Asimov, Robert A. Heinlein, Ray Bradbury, J. G. Ballard, Philip K. Dick, Lois McMaster Bujold, Vernor Vinge, James P. Hogan, Kim Stanley Robinson, Robert Charles Wilson, and Greg Egan.

The first Japanese titles were reprints of Legend of Galactic Heroes #1 by Yoshiki Tanaka and Babylonia Wave by Akira Hori.

Notable authors published by Tokyo Sogensha include Shirley Jackson, H. P. Lovecraft and Edgar Allan Poe.