Tatsunoko Production
He graduated from Waseda University in 1972 and joined to Tatsunoko Production as a story creator and a screenwriter. He left from Tatsunoko in 1975, but he was related to the , one of the most successful anime series of Tatsunoko, from Time Bokan in 1975 to the last series, Itadakiman in 1983. After leaving from Tatsunoko, he wrote several screenplays such as "Dragon Ball" and "Saint Seiya" of Toei Animation.