A leading director at the Toei Animation studio during the 1960s, 1970s, and 1980s, Katsumata worked as a director on several of Toei's anime TV adaptations of manga by Go Nagai, including Devilman (1972), Mazinger Z (1972), Cutey Honey (1973), Great Mazinger (1974), UFO Robo Grendizer (1975) and Gaiking (1976) (both Grendizer and Gaiking became later part of Jim Terry's Force Five package on U.S. television).
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Katsumata graduated from Nippon University's film school in 1960 and began working with the Kyoto division of the Toei Company that same year as an assistant director to Masahiro Makino, Eiichi Kudo, Tomotaka Tasaka on his samurai dramas.