Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Emerson Sena Balbino | Vale S.A. | 1 |
| 1 | Sebastião Carlos De Alvarenga | Vale S.A. | 1 |
| 1 | Arlem Flávio De Sena | Vale S.A. | 1 |
| 1 | Jose Carlos Spinasse | Companhia Vale Do Rio Doce | 1 |
| 1 | Magno Papa Vitalino | Vale S.A. | 1 |
| 1 | Enilton Edson Frade | Vale S.A. | 1 |
| 1 | Hamilton da Penha Lage Silva | — | 1 |