Behind the camera
- 2019Fire ForceKey Animation1 ep.
- 2013My Teen Romantic Comedy SNAFUAnimation Director1 ep.
- 2009White AlbumKey Animation3 ep.
- 2007Ef: A Tale Of Memories & MelodiesKey Animation2 ep.
- 2007Sayonara Zetsubou SenseiKey Animation1 ep.
Also known as: Ken'ichirou Okamoto · Kenichirou Okamoto · Kenichiro Okamoto · 岡本健一郎