Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813681 | Information recording method and apparatus, information reproducing method and apparatus | Noriyuki Yamamoto, Nobuko Fujii | 2004-11-02 |
| 6757130 | Recording medium exchanging-type recording and reproducing apparatus | Tadao Yoshida, Hajime Yano, Hiroaki Oishi, Toyomi Fujino | 2004-06-29 |
| 6684026 | Information recording method and apparatus and information recording medium | Shunji Okada, Shinichi Suenaga, Nobuko Fujii | 2004-01-27 |