Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6608810 | Optical disk comprising a positional information section and a sync mark section each having a wobble pattern | Junichi Minamino, Atsushi Nakamura, Shigeru Furumiya, Hiromichi Ishibashi, Takashi Ishida | 2003-08-19 |
| 6577590 | Optical disk having wobble patterns | Junichi Minamino, Atsushi Nakamura, Shigeru Furumiya, Hiromichi Ishibashi, Takashi Ishida | 2003-06-10 |
| 6538979 | Optical disk, optical disk device, and method of reproducing information on optical disk | Takashi Ishida | 2003-03-25 |