Issued Patents 2004
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816981 | Disk array device including a memory with backup power supply and method thereof | Hirofumi Morita | 2004-11-09 |
| 6804190 | High density phase-change type optical disk having a data efficiency of more than 80 percent | Hiromichi Ishibashi, Mamoru Shoji, Atsushi Nakamura, Junichi Minamino, Shigeru Furumiya | 2004-10-12 |
| 6791930 | Optical disk, optical disk device, and method of reproducing information on optical disk | Toyoji Gushima | 2004-09-14 |
| 6757239 | Optical disk having wobble patterns and block identification marks | Junichi Minamino, Atsushi Nakamura, Shigeru Furumiya, Hiromichi Ishibashi, Toyoji Gushima | 2004-06-29 |
| 6738342 | Optical disc and optical disc address reading apparatus and method | Shigeru Furumiya, Hiromichi Ishibashi, Yoshiharu Kobayashi | 2004-05-18 |
| 6724708 | Optical disk medium and method and apparatus for reading information | Hiromichi Ishibashi, Shigeru Furumiya, Atsushi Nakamura, Junichi Minamino | 2004-04-20 |
| 6683834 | Information recording method, information recording/reproducing apparatus, and information recording medium | Shunji Ohara, Yoshikazu Goto, Isao Satoh | 2004-01-27 |
| 6678469 | Recorded information reproducing apparatus | Atsushi Minemura, Tomomi Kaga | 2004-01-13 |
| 6673186 | Laminated structural body having unidirectionally arranged strands sandwiched between two web layers, and method of and apparatus for efficiently manufacturing such laminated structural body | Toshio Ohta, Tadayoshi Katoh, Hiroshi Yazawa, Shuichi Murakami | 2004-01-06 |
| 6674700 | Optical disk having sub-blocks and sub-block indentification marks | Junichi Minamino, Atsushi Nakamura, Shigeru Furumiya, Hiromichi Ishibashi, Toyoji Gushima | 2004-01-06 |