Hamina, FI ranks #24,378 worldwide for total patents filed all time, with 47 patents from 17 inventors. Leading employers of inventors based in Hamina, FI include A. Ahlstrom, J.M. Huber, Optatech.
Showing 1–17 of 17 inventors
| Rank ↑ | Inventor ↕ | Primary Company ↕ | Patents ↕ |
|---|---|---|---|
| 1 | Toivo Niskanen | A. Ahlstrom | 23 |
| 2 | Kaarina Heikkila | J.M. Huber | 3 |
| 2 | Lars-Olof Pietila | Optatech | 3 |
| 2 | Leif B. Martensson | J.M. Huber | 3 |
| #5 | Petri Harju | — | 2 |
| #5 | Maija Virta | Halton Oy | 2 |
| #7 | Taina H. Niemi | J.M. Huber | 1 |
| #7 | Terttu Heinonen | Stora Enso Oyj | 1 |
| #7 | Matti Satuli | 1 | |
| #7 | Jukka P. Haverinen | — | 1 |
| #7 | Eero H. Seuna | — | 1 |
| #7 | Seppo NYMAN | Sulzer Management Ag | 1 |
| #7 | Jussi Heinonen | Sulzer Management Ag | 1 |
| #7 | Pentti Vierikko | — | 1 |
| #7 | Mauri Viitanen | Ahlstrom | 1 |
| #7 | Tuomas Akseli Pihlaja | The Switch Drive Systems Oy | 1 |
| #7 | L. Bjarne Martensson | J.M. Huber | 1 |