
Quick answer — Fumihiro Kitahara worked on Steins;Gate 0 (Title Logo Design), Steins;Gate 0: Valentine's of Crystal Polymorphism -Bittersweet Intermedio- (Title Logo Design).
Fumihiro Kitahara worked on Steins;Gate 0 (Title Logo Design), Steins;Gate 0: Valentine's of Crystal Polymorphism -Bittersweet Intermedio- (Title Logo Design).