DirectorKoichi Mashimo
- Born June 21, 1952 in Tokyo, Japan
- 2012.hack//Versus: The Thanatos ReportFilmDirector
- 2011Hyouge MonoSeriesSeries Director, Director, Storyboard Artist
- 2010Halo LegendsFilmDirector
- 2010Halo LegendsSeriesExecutive Producer
- 2009Phantom: Requiem for the PhantomSeriesSeries Director, Director
- 2008Blade of the ImmortalSeriesStoryboard Artist, Series Director
- 2007.hack//G.U. ReturnerFilmDirector
- 2007El Cazador de la BrujaSeriesDirector
- 2006Spider RidersSeriesSeries Director
- 2005Tsubasa RESERVoir CHRoNiCLESeriesDirector
- 2004MADLAXSeriesDirector, Original Story, Creator
- 2003AvengerSeriesDirector
- 2003.hack//GIFTFilmOriginal Story, Director
- 2003.hack//Legend of the Twilight: Let's Meet OfflineFilmDirector, Original Story
- 2002.hackSeriesDirector, Sound Director, Storyboard Artist, Original Story
- 2002.hack//LiminalitySeriesDirector
- 2001NoirSeriesStoryboard Artist, Series Director, Director
- 2001Desert Pirate! Captain KuppaSeriesDirector, Series Composition, Storyboard
- 1998Popolocrois MonogatariSeriesDirector, Storyboard Artist
- 1997EAT-MANSeriesDirector, Writer, Storyboard Artist, Series Composition
- 1995Sorcerer HuntersSeriesDirector
- 1994The Irresponsible Captain Tylor OVASeriesDirector, Series Composition, Lyricist
- 1994The Irresponsible Captain Tylor: Tylor's WarFilmDirector
- 1993The Irresponsible Captain TylorSeriesDirector, Storyboard Artist
- 1992The Weathering ContinentFilmDirector, Screenplay
- 1991Robin Hood & the Invincible KnightFilmCo-Director
- 1991Robin HoodFilmCo-Director
- 1991Robin Hood III: Enemies ForeverFilmCo-Director
- 1991Robin Hood IV, King's ReturnFilmCo-Director
- 1990Robin Hood's Big AdventureSeriesDirector, Creator
- 1990君の十字架FilmAnimation Director
- 1988Dominion Tank PoliceSeriesScreenplay, Director
- 1988FSeriesDirector
- 1986Dirty Pair: Project EdenFilmDirector
- 1986Love CityFilmDirector
- 1983Future Police UrashimanSeriesDirector
- 1981Gold Lightan - Golden WarriorSeriesDirector, Writer