Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6675232 | Vehicle-loaded audio device having a common controller | Katsunori Sato, Koichi Izumi | 2004-01-06 |
| 4706294 | Audio control device | — | 1987-11-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6675232 | Vehicle-loaded audio device having a common controller | Katsunori Sato, Koichi Izumi | 2004-01-06 |
| 4706294 | Audio control device | — | 1987-11-10 |