Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631227 | Information recording and reproducing apparatus | Nobuyuki Kasama, Manabu Oumi, Yasuyuki Mitsuoka, Kenji Kato, Takashi Niwa | 2003-10-07 |
| 6563782 | INFORMATION RECORDING MEDIUM HAVING DOUBLE-LAYER STRUCTURE, AND INFORMATION REPRODUCING APPARATUS AND INFORMATION RECORDING AND REPRODUCING APPARATUS UTILIZING INFORMATION RECORDING MEDIUM HAVING DOUBLE-LAYER STRUCTURE | Manabu Oumi, Yasuyuki Mitsuoka, Norio Chiba, Nobuyuki Kasama, Kenji Kato +1 more | 2003-05-13 |