Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7403750 | Reuse of digital-to-analog converters in a multi-mode transmitter | Mika Salmi, Simo Murtojarvi | 2008-07-22 |
| 7054597 | Power control for a transmitter | — | 2006-05-30 |
| 6993087 | Switching mode power amplifier using PWM and PPM for bandpass signals | Jukka Varis | 2006-01-31 |
| 6975177 | Method and system for a generation of a two-level signal | Jukka Varis | 2005-12-13 |
| 6917244 | Power control for a switching mode power amplifier | Jukka Varis | 2005-07-12 |
| 6914472 | Phase modulating system | — | 2005-07-05 |
| 6870414 | Application of a continuously tuned phase shift to a periodic signal | — | 2005-03-22 |
| 6775558 | Accessory interface within a multiple channel radio apparatus | Jukka Ranta, Jouko Häkkänen, Tapani Ekman | 2004-08-10 |
| 6288606 | Linear power amplifier arrangement and method for its operation | Tapani Ekman, Risto Vaisanen | 2001-09-11 |
| 5460019 | Washer | Alpo Ojala | 1995-10-24 |
| 5421176 | Drum washer | Alpo Ojala, Reima Karke | 1995-06-06 |