Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785210 | Reproduction signal evaluation method | Yutaka Kashihara, Yutaka Okamoto, Hideo Ando, Koichi Hirayama | 2004-08-31 |
| 6757230 | Information recording medium, information reproduction apparatus, and information recording apparatus | Yutaka Okamoto, Yutaka Kashihara, Hideo Ando | 2004-06-29 |
| 6741546 | Information recording medium, information recording apparatus, and information reproduction apparatus | Kazuo Watabe, Hideo Ando, Masaaki Matsumaru | 2004-05-25 |
| 6711111 | Optical disk, optical disk recording method and optical disk apparatus | Yutaka Okamoto, Hideo Ando, Yutaka Kashihara | 2004-03-23 |
| 6704259 | Information recording and reproducing apparatus and information recording and reproducing method, information reproducing apparatus and information reproducing method, and information recording medium | Yutaka Kashihara, Yutaka Okamoto, Hideo Ando, Koichi Hirayama | 2004-03-09 |