| Tournament details | |
|---|---|
| Country |  Japan |
| Final positions | |
| Champions | Mitsubishi Motors |
| Runner-up | Tanabe Pharmaceuticals |
| Semifinalists | |
Statistics of Emperor's Cup in the 1980 season.
| Tournament details | |
|---|---|
| Country | Japan |
| Final positions | |
| Champions | Mitsubishi Motors |
| Runner-up | Tanabe Pharmaceuticals |
| Semifinalists | |
Statistics of Emperor's Cup in the 1980 season.