Production Credits
Hiroyuki Koizumi has 16 production credits.Visual Effects
Credited for Key Animation in 14 shows - One Piece, Boogiepop Phantom, Pilot Candidate, Fighting Spirit, Gintama, Tiger & Bunny: The Beginning, Attack on Titan, Tiger & Bunny: The Rising, Code Geass: Akito the Exiled 3: The Brightness Falls, Dragon Ball Super, The Ancient Magus' Bride, Dororo, Healin' Good♡Pretty Cure: GoGo! Big Transformation! The Town of Dreams and Eureka: Eureka Seven Hi-Evolution.
Credited for Animation Director in 2 shows - Attack on Titan and ATRI -My Dear Moments-.