Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Valto J. Makitalo | Outokumpu Oyj | 2 |
| 1 | Jukka Vaistomaa | Tampella Power Oy | 2 |
| 1 | Launo L. Lilja | Outokumpu Oyj | 2 |
| 1 | Matti Knuutila | Tampella Power Oy | 2 |
| 1 | Arvo Jonkka | Metso Paper | 2 |
| #6 | Raimo Tikka | — | 1 |
| #6 | Veikko Koivum aki | Oy W. Rosenlew Ab | 1 |
| #6 | Stig-Erik Hultholm | Outokumpu Oyj | 1 |
| #6 | Sti-Erik Hultholm | Outokumpu Engineering Contractors Oy | 1 |
| #6 | Pauli Vienola | Sunds Defibrator Woodhandling Oy | 1 |
| #6 | Sigmund Fugleberg | Outokumpu Oyj | 1 |