Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816095 | Parallel/serial conversion circuit, light output control circuit, and optical recording apparatus | Koichi Yokoyama | 2004-11-09 |
| 6675232 | Vehicle-loaded audio device having a common controller | Koichi Izumi, Kenji Ouchida | 2004-01-06 |