Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Shigeaki Furukawa, Hiroyuki Yamaguchi | 2003-03-18 |
| 6529457 | Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same | Naoyasu Miyagawa | 2003-03-04 |
| 6526012 | Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same | Naoyasu Miyagawa | 2003-02-25 |
| 6526013 | Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same | Naoyasu Miyagawa | 2003-02-25 |