
Quick answer — Toshihisa Koyama worked on Noir (Art Director), Shaman King (Art Director), Shonen Onmyoji (Art Director) and 8 more anime.
Toshihisa Koyama worked on Noir (Art Director), Shaman King (Art Director), Shonen Onmyoji (Art Director), Martian Successor Nadesico (Art Director), Kyo Kara Maoh! - God (?) Save Our King! (Art Director), Macross 7 (Art Director), Fafner (Art Director), Fate/stay night (Art Director) and 3 more.