| Tournament details | |
|---|---|
| Country | Japan |
| Teams | 28 |
| Final positions | |
| Champions | Mitsubishi Motors |
| Runners-up | Toyo Industries |
| Semifinalists | |
| Tournament statistics | |
| Matches played | 27 |
Statistics of Emperor's Cup in the 1978 season.
It was contested by 28 teams, and Mitsubishi Motors won the championship.
Mitsubishi Motors won the championship.