Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David De Oliveira | Elkem As | 2 |
| 2 | Francisco Guilherme Emmerich | — | 1 |
| 2 | Isnad Torres Pires | Companhia Vale Do Rio Doce | 1 |
| 2 | Reynaldo Lopes Ferreira | Companhia Vale Do Rio Doce | 1 |
| 2 | Jose Fernando Leite Marques | Companhia Vale Do Rio Doce | 1 |
| 2 | Geraldo S. de Santana | Elkem As | 1 |
| 2 | Claudemir Chateaubriand De Souza | Companhia Vale Do Rio Doce | 1 |