Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8737675 | Speaker unit including diaphragm having a voice coil attached thereto | Yuki Kobayashi, Hidemi Kamada | 2014-05-27 |
| 8627919 | Speaker and portable information terminal | — | 2014-01-14 |
| 8520882 | Speaker terminal mount structure and speaker unit | — | 2013-08-27 |