Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684649 | Recording/reproducing apparatus with read-after-write capability | — | 1997-11-04 |
| 5677803 | Apparatus for recording data signals and a signal having a repetitive frequency to a recording medium and/or for reproducing the data signals therefrom | Yukio Watanabe | 1997-10-14 |