Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9301055 | Acoustic actuator plate structure | Erkki Honkakoski, Antti Pekka Kelloniemi, Heini Orhala, Sari Tuominen | 2016-03-29 |
| 8565454 | Directing sound field of actuator | Antti Pekka Kelloniemi, Erkki Honkakoski | 2013-10-22 |