During his career he alternates the Japanese symbols of his name to katakana, but they are pronounced almost the same. He began to work in animation in continuity and later production, planning and technical direction tasks from the beginning of the 80s. In 1984 he joined Nippon Sunrise Animation Production Company and finally, he debuted in movies as film director in that company with "Butts & Terry" in 1987. From 1988 he collaborated in several adaptations in video and film format of the most famous character of the company, "Kidô Senshi Gundam", and from 1989 he has also done the scriptwriting of his films.