[1] He is best known for directing the TV show Science Ninja Team Gatchaman and also credited for his contributions to several other Tatsunoko Production anime series.
[1] His representative work is the Kyūkei no Figurido series, which depicts the adventures and revenge of a man of Murakami Suigun who becomes a battle slave in Europe, where he arrives due to the betrayal of his comrades, set in England and France during the Hundred Years' War and in Japan during the Northern and Southern Courts.
[1] Toriumi was born in Isehara, Kanagawa Pref., Japan, and graduated from the Department of Political Science, Faculty of Law, Chuo University.
In The Wonderful Adventures of Nils, Mamoru Oshii, who transferred from Tatsunoko to Pierrot after apply to be his apprentice, also participated as one of the episode directors.
[7] However, in the following The Mysterious Cities of Gold, Oshii, who was scheduled to be an assistant director, was approached by President Nunokawa to direct Urusei Yatsura, and, prepared to be excommunicated, accepted the offer without telling Toriumi and dropped out.