Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801378 | Data recording apparatus and method and data playback apparatus and method | Masahiko Nagumo | 2004-10-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801378 | Data recording apparatus and method and data playback apparatus and method | Masahiko Nagumo | 2004-10-05 |