Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661749 | Substrate for optical recording medium, optical recording medium, master disc, master disc recording apparatus, and signal generating apparatus | Kenichi Nishiuchi, Tetsuya Akiyama | 2003-12-09 |
| 6584054 | Optical recording method and optical recording device | Kenichi Nishiuchi, Yuuichi Kamioka, Norifumi Oda | 2003-06-24 |
| 6535468 | OPTICAL RECORDING MEDIUM HAVING AN AREA FOR RECORDING A PLURALITY OF RECORDING/REPRODUCTION CONDITIONS TO BE USED IN RECORDING/REPRODUCTION APPARATUSES AND RECORDING/REPRODUCTION METHOD AND APPARATUS THEREFOR | Tetsuya Akiyama, Kenichi Nishiuchi, Kenji Narumi, Hiroyuki Yamaguchi | 2003-03-18 |