Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7117969 | Support structure for transversal engine | Yasuo Miyamoto | 2006-10-10 |
| 4665550 | Electrodynamic loudspeaker having omnidirectional sound emission | — | 1987-05-12 |
| 4488010 | Loudspeaker | Siegfried Klein | 1984-12-11 |