
Quick answer — Sui Ishida worked on Tokyo Ghoul (Original Creator), Tokyo Ghoul: [JACK] (Original Creator), Tokyo Ghoul: [PINTO] (Original Creator) and 3 more anime.
Sui Ishida worked on Tokyo Ghoul (Original Creator), Tokyo Ghoul: [JACK] (Original Creator), Tokyo Ghoul: [PINTO] (Original Creator), Tokyo Ghoul √A (Original Creator), Tokyo Ghoul:re 2 (Original Creator), Tokyo Ghoul:re (Original Creator).