
Quick answer — Tsutomu Nihei worked on Knights of Sidonia: Battle for Planet Nine (Original Creator), Knights of Sidonia (Original Creator), Knights of Sidonia: Love Woven in the Stars (Original Creator) and 3 more anime.
Tsutomu Nihei worked on Knights of Sidonia: Battle for Planet Nine (Original Creator), Knights of Sidonia (Original Creator), Knights of Sidonia: Love Woven in the Stars (Original Creator), BLAME! (Original Creator), Kaina of the Great Snow Sea (Original Creator), BLAME! Ver.0.11 (Original Creator).