Collaborations between Kôichi Maruyama and Yumiko Kobayashi
| Film Title | Year | Kôichi Maruyama | Yumiko Kobayashi |
|---|---|---|---|
| Doraemon: Nobita and the New Steel Troops: ~Winged Angels~ | 2011 | Production designer | Actor |
| Film Title | Year | Kôichi Maruyama | Yumiko Kobayashi |
|---|---|---|---|
| Doraemon: Nobita and the New Steel Troops: ~Winged Angels~ | 2011 | Production designer | Actor |