Minomura Kou (1920-1992) later adopted his wife’s maiden name as artist signature: Kita Reiko (喜多玲子). This artist is connected to the main Japanese SM Magazines in the golden era in 1950. At first he was one of the main editors for Kitan Club magazine, he was also founder for Uramado Magazine.
For a more detailed bio check out the artist’s page on SMpedia