Collaborations between Ritsushi Yamasaki and Hajime Okayasu
| Film Title | Year | Ritsushi Yamasaki | Hajime Okayasu |
|---|---|---|---|
| Doraemon the Movie: Nobita's New Great Adventure into the Underworld | 2007 | Producer | Editor |
| Film Title | Year | Ritsushi Yamasaki | Hajime Okayasu |
|---|---|---|---|
| Doraemon the Movie: Nobita's New Great Adventure into the Underworld | 2007 | Producer | Editor |