Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350950 | Setting circuit of binary threshold value | Naoto Inaba | 1994-09-27 |
| 5347504 | Optical disk apparatus for optically recording or reproducing information on an optical recording medium | Noboru Ito, Hidenori Wada, Sadao Mizuno, Hideki Hayashi | 1994-09-13 |
| 5345072 | Focus detection device for reading information from an optical recording medium | Hideki Hayashi, Sadao Mizuno, Noboru Ito, Yoshiaki Komma | 1994-09-06 |
| 5276674 | Optical recording medium having thin protective layer and two-dimensionally aligned code words and recording/reproducing apparatus employing the same | — | 1994-01-04 |