Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469964 | Optical recording medium and recording/reproduction method and apparatus therefor | Tetsuya Akiyama, Kenichi Nishiuchi, Kenji Narumi, Hiroyuki Yamaguchi | 2002-10-22 |
| 6414922 | 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 THEREFORE | Tetsuya Akiyama, Kenichi Nishiuchi, Kenji Narumi, Hiroyuki Yamaguchi | 2002-07-02 |
| 6411575 | 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 | 2002-06-25 |
| 6388984 | Optical information recording medium and its recording and reproducing method | Hideki Kitaura, Noboru Yamada, Ken'ichi Nagata, Kenichi Nishiuchi | 2002-05-14 |
| 6345026 | Optical recording method and optical recorder | Kenichi Nishiuchi, Yuuichi Kamioka, Norifumi Oda | 2002-02-05 |
| 6343062 | Optical disk device and optical disk for recording and reproducing high-density signals | Kenichi Nishiuchi, Takashi Ishida | 2002-01-29 |