Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8059428 | Reactor arrangement for alternating electrical current | Matti Laitinen, Tero Viitanen | 2011-11-15 |
| 8035470 | Protection of permanent magnets in a DC-inductor | Tero Viitanen | 2011-10-11 |
| 7889040 | DC inductor | Tero Viitanen, Esa Hautakorpi | 2011-02-15 |