Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819642 | Data recording device, data reproducing device, and optical disc | Satoshi Kumai, Eiji Kumagai, Kenji Nagashima, Toshio Morizumi | 2004-11-16 |
| 6765851 | Optical disc, data-recording apparatus and data-recording method | Futoshi Tsukada, Kunihiko Miyake, Shinji Ohta, Masazumi Shiozawa | 2004-07-20 |
| 6717894 | Optical disc recording method and recording and/or reproducing apparatus operable to accommodate multiple disc formats | — | 2004-04-06 |
| 6704262 | Optical disc and optical disc apparatus for identifying synchronization patterns thereof | Yukio Shishido | 2004-03-09 |
| 6693855 | Optical disc and optical disc apparatus | Yukio Shishido, Futoshi Tsukada, Kunihiko Miyake | 2004-02-17 |