Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7212483 | Modulation device, modulation method and recording medium | Harukuni Kobari, Toshio Kuroiwa, Hirotoshi Ohno, Nobuchika Ochi, Junzo Suzuki | 2007-05-01 |
| 4638374 | Defect detecting apparatus for a rotary recording medium | Yuji Yoshitake, Kentaro Yokouchi | 1987-01-20 |