Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694381 | Information data reproducing system, reproducing apparatus, reproducing method, data forming apparatus, and data record medium | — | 1997-12-02 |
| 5675586 | Record medium, and method for recording to and reproducing from a record medium | Tamotsu Yamagami, Satoshi Otsuka, Minoru Tobita | 1997-10-07 |
| 5592465 | Disc recording method | Tamotsu Yamagami, Tetsu Watanabe | 1997-01-07 |