Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6791930 | Optical disk, optical disk device, and method of reproducing information on optical disk | Takashi Ishida | 2004-09-14 |
| 6757239 | Optical disk having wobble patterns and block identification marks | Junichi Minamino, Atsushi Nakamura, Shigeru Furumiya, Hiromichi Ishibashi, Takashi Ishida | 2004-06-29 |
| 6721255 | Device and method for recording data to optical disk using recording pulse with corrected edge position | Ikunori Inoue | 2004-04-13 |
| 6674700 | Optical disk having sub-blocks and sub-block indentification marks | Junichi Minamino, Atsushi Nakamura, Shigeru Furumiya, Hiromichi Ishibashi, Takashi Ishida | 2004-01-06 |