Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7804288 | Current measuring arrangement of a frequency converter | Jaakko Ollila, Risto Komulainen | 2010-09-28 |
| 7593244 | Limit for the harmonics of a current | Nicklas Södö, Jaakko Ollila | 2009-09-22 |