Born in 1941. Graduated from Nihon University, College of Art, Department of Film. In the mid-1960s, made TV animations such as Astroboy as director and scriptwriter. Left Mushi Production to be a freelancer. Since then, has handled a great many pieces with continuity and direction for a series of animations. Since the late 1970s gave new inspiration to a genre of robot animations with his own drafting and direction. In 1972, made UMI NO TORITON, his debut in animation film, followed by Mobile Suit Gundam, Space Runaway Ideon, and others made under his direction. Has directed and recently made the theatrical version of Mobile Suite Z Gundam, The Wings of Rean, and many other popular animations.