Takao Koyama graduated from Waseda University in 1972 and joined Tatsunoko Production as a story creator and a screenwriter. He left from Tatsunoko in 1975, but he was related to the Time Bokan series, one of the most successful anime series of Tatsunoko, from Time Bokan in 1975 to the last series, Itadakiman in 1983. In 1999, he on the "Special/Lifetime Achievement" Award at the 4th Animation Kobe. He is a professor at the Osaka University of Arts, Character Design Department.