WriterMasato Katō
- Born January 14, 1954 in Noshiro, Akita, Japan
- 2025No Matter What, I Love YouFilmScreenplay
- 2024BushidoFilmScreenplay
- 2024Shinpei: Uta Koso SubeteFilmWriter
- 2023G-MenFilmScreenplay
- 2022The Broken CommandmentFilmScreenplay
- 2019Sea of RevivalFilmWriter
- 2018Midnight BusFilmScreenplay
- 2018Choosing Spouse by LotterySeriesHiroki Kujirai
- 2017Side JobFilmScreenplay
- 2016Hibana: SparkSeriesScript Supervisor, Screenplay
- 2016Everest: The Summit of the GodsFilmScreenplay
- 2014Cape NostalgiaFilmScreenplay
- 2013A Chair on the PlainsFilmScreenplay
- 2013Nobody's PerfectFilmWriter
- 2012Tenchi: The Samurai AstronomerFilmWriter
- 2010A Lone ScalpelFilmScreenplay
- 2010The Lightning TreeFilmScreenplay
- 2008Climber's HighFilmScreenplay
- 2006Japan SinksFilmScreenplay
- 2005What the Snow BringsFilmScreenplay
- 2005Portrait of the WindFilmWriter
- 2004Locomotive TeacherFilmScreenplay
- 2003OkiteFilmScreenplay
- 2001High School Girl's FriendFilmWriter
- 2000Otoko Michi 3FilmScreenplay
- 2000Otoko MichiFilmScreenplay
- 1999Heisei Gokudoden Yasha Tears!FilmScreenplay
- 1999New Molester Diary 2FilmScreenplay
- 1998Molester Diary: A Man Who Kept Stroking Ass 6FilmScreenplay
- 1997XX: Graceful Beautiful BeastFilmScreenplay
- 1997尻を撫でまわしつづけた男 痴漢日記5FilmWriter
- 1997Molester Diary: A Man Who Kept Stroking Ass 5FilmScreenplay
- 1997Heisei Zankeiden: Gaido is Killed!FilmScreenplay
- 1997Heisei Gokudoden Ashura slashes!FilmScreenplay
- 1996Molester Diary: A Man Who Kept Stroking Ass 4FilmScreenplay
- 1996Heisei Zankeiden: Battered Slash!FilmScreenplay
- 1995Molester Diary: A Man Who Kept Stroking AssFilmWriter
- 1995Molester Diary: A Man Who Kept Stroking Ass 2FilmScreenplay
- 1995Forever with YouFilmScreenplay
- 1995Gerende ga tokeru hodo koishitaiFilmScreenplay
- 1995Mitabi no kaikyôFilmScreenplay
- 1994800 Two Lap RunnersFilmScreenplay
- 1994Legends of Mahjong Masters: The Moon Sleeping on the Ocean FloorFilmScreenplay
- 1993Cho abnormal sex: hentai mamireFilmScreenplay
- 1993Black Market Emperor: Silver and GoldFilmWriter
- 1993DavoFilmScreenplay
- 1992Completed Like a BeastFilmScreenplay
- 1991The Devil's Messenger DEATH MESSENGERFilmScreenplay
- 1991Scratched LicenseFilmScreenplay
- 1991Let's Shoot RidiculouslyFilmScreenplay
- 1990Run the BeastFilmScreenplay
- 1990Shin Virgin Boys Story: Hong Kong Virgin BoyFilmWriter
- 1988Kiyoshi juku onnaFilmScreenplay
- 1988Sex Man'yôshû: shabon-dama densetsuFilmScreenplay
- 1988Samurai GoldFilmAirport Announcer(voice)
- 1987Women in Heat Behind BarsFilmScreenplay
- 1987Nurse Girls' Dorm: Shamed AngelFilmScreenplay
- 1987Newaza Gal: Straight From BehindFilmScreenplay
- 1987Waka okusama no nama shitagiFilmScreenplay
- 1987Heavy sex '87: Kando ryôkôFilmScreenplay
- 1987The Ultimate Gourmet: Women's Body Gourmet ClubFilmScreenplay
- 1986Akai kinryōku: haado koa no yoruFilmScreenplay
- 1986Love Slave Doll: Make Me ComeFilmScreenplay
- 1986Hatsujô musume: Guri-guri asobiFilmScreenplay
- 1986SM kyoshitsu: shikkinFilmScreenplay
- 1986Tōsatsu mania: Furaidē no on'naFilmScreenplay
- 1986Kyûkyoku onanie: Yume jigokuFilmScreenplay
- 1986Megumi Kiyosato: Wet Your HeartFilmScreenplay
- 1985Koichiro Uno's Caressing the PeachFilmScreenplay
- 1984Debauchery: Salome's LipsFilmScreenplay