Behind the camera
- 1996Magical Project SKey Animation1 ep.
- 1993Legendary Brave Swordsman YaibaKey Animation1 ep.
- 1992Tenchi Muyo!Key Animation1 ep.
- 1991Nyūin Bokki Monogatari Ojiji ni!Key Animation1 ep.
- 1991Detonator OrgunKey Animation1 ep.
- 1990Devil Hunter YohkoStoryboard Artist1 ep.
- 1990The Hakkenden: Legend of the Dog WarriorsKey Animation2 ep.
- 1990A.D. Police FilesKey Animation1 ep.
- 1989Ranma ½Key Animation1 ep.
Also known as: 石原こういち · 石原興一 · いしはらこういち