Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4558441 | Data recording and reproducing apparatus and method | Akira Nakagawa | 1985-12-10 |
| 4516242 | Output stabilizing device | — | 1985-05-07 |
| 4503324 | Automatic focusing device | — | 1985-03-05 |
| 4499571 | Optical disk system with laser safety arrangement | — | 1985-02-12 |
| 4481613 | Optical disk apparatus | — | 1984-11-06 |
| 4408314 | Record/playback track tracking servo | — | 1983-10-04 |
| 4268868 | Beam scanning type electronic copying apparatus | Toshio Ike | 1981-05-19 |