Filmography
| 2022 | DCU: Deep Crime Unit · as Screenplay |
| 2017 | Orphan Black – 7 Genes · as Screenplay |
| 2011 | Tsugaru hyakunen shokudou · as Screenplay |
| 2006 | |
| 2002 | |
| 2000 | |
| 1999 | |
| 1997 | Wedding Story · as Screenplay |
| 1996 | Hitorigurashi · as Screenplay |
| 1995 |
| 2009 | See Dick Run · as Executive Producer |
| 2006 | lonelygirl15 · as Executive Producer |
| 2013 | Shinryochu · as Teleplay |
| 2003 | Kokoro · as Teleplay |