Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11257405 | Display structure applicable with ice and outdoor conditions | — | 2022-02-22 |
| 10964678 | LED screen or illumination means with a flexible film structure | — | 2021-03-30 |
| 10136215 | Apparatus and method for saving energy in an active loudspeaker | Kari Pöyhönen, Juho Väisänen | 2018-11-20 |
| 9706330 | Loudspeaker control | Jussi Tikkanen, Juha Urhonen, Aki Mäkivirta, William Eggleston, Kari Pöyhönen | 2017-07-11 |
| 7988825 | Web-forming section and method for manufacturing multi-layer web | Jouko Aula, Peter Michael Harden | 2011-08-02 |