Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6551680 | Optical recording medium | Toru Abiko, Hitoshi Shimomuki | 2003-04-22 |
| 6551681 | Optical recording medium | Toru Abiko, Hitoshi Shimomuki | 2003-04-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6551680 | Optical recording medium | Toru Abiko, Hitoshi Shimomuki | 2003-04-22 |
| 6551681 | Optical recording medium | Toru Abiko, Hitoshi Shimomuki | 2003-04-22 |