Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Alpo Kalliokoski | Sunds Defibrator Woodhandling Oy | 2 |
| 1 | Valto J. Makitalo | Outokumpu Oyj | 2 |
| 1 | Launo L. Lilja | Outokumpu Oyj | 2 |
| #4 | Arvo Jonkka | Metso Paper | 1 |
| #4 | Aaro Klaavu | Sunds Defibrator Woodhandling Oy | 1 |