Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D654022 | Frequency converter | Lihua Sun, Mikko Kannisto, Antti Vuola | 2012-02-14 |
| 7928679 | Protection arrangement of an electric motor | Kimmo Rajakangas, Paavo Merilinna | 2011-04-19 |
| 4181114 | Circuit arrangement for electronic ignition apparatus | Leif Gustafsson | 1980-01-01 |