Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9462373 | Loudspeaker and manufacturing method thereof | Siamak Naghian, Jussi Väisänen, Ilpo Martikainen, Harri Koskinen | 2016-10-04 |
| 9020178 | Drive unit mounting arrangement and loudspeaker | Ilpo Martikainen, Aki Mäkivirta, Jussi Väisänen, Noa Eskelinen, Jari Makinen +1 more | 2015-04-28 |
| D521494 | Loudspeaker | Harri Koskinen, Ilpo Martikainen, Jari Makinen, Ari Varla | 2006-05-23 |