Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5432764 | Off-track detector for detecting off-track, and optical information recording/regenerating apparatus | — | 1995-07-11 |
| 5381398 | Information signal reproducing system having amplifier with selectively decreased gain | Nobuyuki Kaneko | 1995-01-10 |
| 5060218 | Write-once type optical recording/reproducing device | — | 1991-10-22 |