Ryōta Yamaguchi

Ryōta Yamaguchi (山口 亮太) is a Japanese anime screenwriter often associated with Studio Deen, Toei Animation, and Sunrise.

He penned a number of scripts for Sunrise's anime TV series The Vision of Escaflowne, as well as writing the movie version, Escaflowne: A Girl in Gaea with director Kazuki Akane. He also worked on scripts for the 2002 Kanon anime television series.

His other major works include Ranma ½, Sailor Moon Sailor Stars, Cutey Honey Flash, Digimon Savers, DokiDoki! PreCure, and Blue Exorcist.

Television

 * series head writer denoted in bold
 * Madö King Granzört (1989): as Shizumu Higa
 * Mashin Hero Wataru 2 (1991): as Shizumu Higa
 * Mama wa Shōgaku 4 Nensei (1992)
 * Ranma ½ Nettohen (1992)
 * Super Zugan (1992-1993)
 * Shippū! Iron Leaguer (1993-1994)
 * Mobile Fighter G Gundam (1994-1995)
 * Zenki (1995)
 * Sailor Moon SuperS (1995-1996)
 * Kuma no Putaro (1995-1996)
 * The Vision of Escaflowne (1996)
 * Sailor Moon Sailor Stars (1996-1997)
 * Revolutionary Girl Utena (1997): as Noboru Higa
 * You’re Under Arrest (1993-1996)
 * Don’t Leave Me Alone, Daisy (1997)
 * Cutie Honey Flash (1997-1998)
 * Cowboy Bebop (1998)
 * Nightwalker: The Midnight Detective (1998)
 * Shadow Skill (1998)
 * Kocchi Muite! Miiko (1998-1999)
 * Hatsumei Boy Kanipan (1998-1999)
 * Chō Hatsumei Boy Kanipan (1999)
 * I’m Gonna Be An Angel! (1999)
 * Medabots (1999-2000)
 * Great Teacher Onizuka (1999-2000)
 * Hunter × Hunter (1999-2001)
 * Ghost Stories (2000-2001)
 * You’re Under Arrest 2 (2001)
 * UFO Baby (2001)
 * Kanon (2002)
 * One Piece (2002-2003)
 * Duel Masters (2002-2003)
 * Crush Gear Nitro (2003-2004)
 * Diamond Daydreams (2004)
 * Zukkoke Sanningumi Kusunoki Yashiki no Guruguru-sama (2004)
 * Tetsujin 28-go (2004)
 * Duel Masters Charge (2004-2006)
 * Mushiking: The King of Beetles (2005-2006)
 * Zoids: Genesis (2005-2006)
 * Project Blue Earth SOS (2006)
 * Happiness! (2006)
 * Digimon Data Squad (2006-2007)
 * Kono Aozora ni Yakusoku o (2007)
 * Zenmai Zamurai (2007)
 * Kyo Kara Maoh! Third Series (2008)
 * Psychic Squad (2008)
 * Hakuoki ~Shinsengumi Kitan~ (2010)
 * Blue Exorcist (2011)
 * DokiDoki! PreCure (2013-2014)
 * Gaist Crusher (2013-2014)
 * Shōnen Maid (2016)
 * Future Card Buddyfight Triple D (2016-2017)
 * Cardfight!! Vanguard Prime (2018-2019)
 * Saint Seiya: Saintia Shō (2018-2019)
 * Kochoki (2019)
 * Cardfight!! Vanguard Gaiden if (2020)
 * Catch! Teenieping (2021-)

OVAs

 * series head writer denoted in bold
 * Madö King Granzört: An Adventure Story (1992)
 * Ranma ½
 * OVA (1993-1994)
 * Special (1994-1995)
 * Super (1995-1996)
 * Nightmare! Incense of Spring Sleep (2008)
 * Tekken: The Motion Picture (1998)
 * Gosen Zosan e (1998-1999)
 * Oni-Tensei (2000)
 * Arcade Gamer Fubuki (2002-2003)
 * Mizuiro (2003)

Films

 * Ranma ½
 * Big Trouble in Nekonron, China (1991)
 * Nihao, My Concubine (1992)
 * Super Indiscriminate Decisive Battle! Team Ranma vs. the Legendary Phoenix (1994)
 * Sailor Moon SuperS: The Movie (1995)
 * Cutie Honey Flash: The Movie (1997)
 * Escaflowne (2000)
 * Digimon Data Squad: Ultimate Power! Activate Burst Mode!! (2006)
 * DokiDoki! PreCure the Movie: Mana’s Getting Married!? The Dress of Hope Tied to the Future! (2013)

Television

 * Kyuukyuu Sentai GoGoFive (1999-2000)
 * Mirai Sentai Timeranger (2000)
 * Sengoku Basara: Midnight Party (2012)

Films

 * Mirai Sentai Timeranger vs. GoGoFive (2001)
 * Sengoku Basara: Midnight Party Remix (2012)