Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696757 | Optical disc, device for checking optical disc and device for recording information on optical disc | Kazuhisa Ozaki, Kanji Kayanuma | 1997-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696757 | Optical disc, device for checking optical disc and device for recording information on optical disc | Kazuhisa Ozaki, Kanji Kayanuma | 1997-12-09 |