Koji Toyohara - is a video game programmer. Koji Toyohara began his career in 1987 and has worked for companies such as Konami Digital Entertainment, Konami and Ultra Games. Koji Toyohara's first game was Metal Gear which was released 37 years ago. Best Game Koji Toyohara contributed to was Metal Gear. Koji Toyohara's latest work is Metal Gear which was released 37 years ago.