Katsuyuki Sumisawa (隅沢 克之, Sumisawa Katsuyuki, November 8, 1961) is a Japanese anime screenwriter. He is from Tokyo.
As a freelance screenwriter, he works on screenplays and series composition based on Pierrot, Toei Animation, and Sunrise.
Also Known As：스미사와 카츠유키·すみさわ かつゆき·Katsuyuki Sumizawa·
Biography：Katsuyuki Sumisawa (隅沢 克之, Sumisawa Katsuyuki, November 8, 1961) is a Japanese anime screenwriter. He is from Tokyo.
As a freelance screenwriter, he works on screenplays and series composition based on Pierrot, Toei Animation, and Sunrise.
