Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6584067 | Optical recording medium having a recording/reproducing area with a shaped region | Noriaki Oshima, Hideki Oono | 2003-06-24 |
| 6506469 | Surface-side reproduction type optical recording medium | Koyata Takahashi, Koji Katayama | 2003-01-14 |