Hiroyuki Jinnai - is a video game producer. Hiroyuki Jinnai began his career in 1996 and has worked for companies such as Game Freak, Nintendo, Creatures and The Pokemon Company. Hiroyuki Jinnai's first game was Pokémon Red, Blue, Yellow which was released 28 years ago. Best Game Hiroyuki Jinnai contributed to was Pokémon Red, Blue, Yellow. Hiroyuki Jinnai's latest work is Pokémon Diamond, Pearl which was released 17 years ago.