Behind the camera
- 2011Hyouge MonoDirector, Series Director, Storyboard Artist39 ep.
- 2010Halo LegendsExecutive Producer1 ep.
- 2009Phantom: Requiem for the PhantomDirector, Series Director26 ep.
- 2008Blade of the ImmortalSeries Director, Storyboard Artist13 ep.
- 2007El Cazador de la BrujaDirector26 ep.
- 2006Spider RidersSeries Director52 ep.
- 2005Tsubasa RESERVoir CHRoNiCLEDirector26 ep.
- 2004MADLAXDirector, Original Story26 ep.
- 2003AvengerDirector13 ep.
- 2002.hack//LiminalityDirector4 ep.
- 2002.hackDirector, Original Story, Sound Director, Storyboard Artist64 ep.
- 2001Desert Pirate! Captain KuppaDirector, Series Composition, Storyboard26 ep.
- 2001NoirDirector, Series Director, Storyboard Artist26 ep.
- 1998Popolocrois MonogatariDirector, Storyboard Artist23 ep.
- 1997EAT-MANDirector, Series Composition, Storyboard Artist, Writer12 ep.
- 1995Sorcerer HuntersDirector26 ep.
- 1994The Irresponsible Captain Tylor OVADirector, Lyricist, Series Composition10 ep.
- 1993The Irresponsible Captain TylorDirector, Storyboard Artist26 ep.
- 1990Robin Hood's Big AdventureDirector52 ep.
- 1988Dominion Tank PoliceDirector, Screenplay4 ep.
- 1988FDirector31 ep.
- 1983Future Police UrashimanDirector50 ep.
- 1981Gold Lightan - Golden WarriorDirector, Writer52 ep.
Also known as: Масимо Койти · Kōichi Mashimo · Койти Масимо · 真下 耕一 · ましも こういち