Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5857151 | Radio unit for a telephone set with automatic adjustment of operating parameters based on a connected power module | Ari Heinonen, Kalevi Malmi, Jorma Virkkunen | 1999-01-05 |
| 5313661 | Method and circuit arrangement for adjusting the volume in a mobile telephone | Kalevi Malmi | 1994-05-17 |