Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Leonidio Stegmiller | Vale S.A. | 2 |
| 2 | Flavio Da Cruz Abaurre | — | 1 |
| 2 | Celso de Jesus Silva | Vale S.A. | 1 |
| 2 | Aldo Gamberini Júnior | Vale S.A. | 1 |
| 2 | Roberto Mikio Kassuya | — | 1 |
| 2 | Antonio Alves e Silva Reis | Vale S.A. | 1 |