Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675586 | Record medium, and method for recording to and reproducing from a record medium | Yoichiro Sako, Tamotsu Yamagami, Satoshi Otsuka | 1997-10-07 |
| 5654948 | Disc apparatus for recording/reproducing with zone constant angular velocity | — | 1997-08-05 |
| 5592454 | Data reproducing apparatus which replaces vendor unique identification data in response to a reference error correction rate which is lower than that used for replacement of other data | Takeshi Funahashi | 1997-01-07 |