ゲームアーツ
was a Japanese video game developer who founded the development companies Game Arts (with his brother Yoichi Miyaji) and G-Mode. He was best known as the creator of the "Silpheed", "GunGriffon", "Lunar" and "Grandia" video game series. His work on the "Lunar" and "Grandia" series in particular had a major influence on the development of role-playing video games. He was the younger brother of Game Arts' CEO Yoichi Miyaji.