Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667937 | Optical information recording medium and optical information recording and reproducing apparatus | Kenichi Nishiuchi, Eiji Ohno, Nobuo Akahira | 2003-12-23 |
| 6532209 | Optical information recording medium and optical information recording and reproducing apparatus | Kenichi Nishiuchi, Eiji Ohno, Nobuo Akahira | 2003-03-11 |
| 6529457 | Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same | Kenji Narumi | 2003-03-04 |
| 6526012 | Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same | Kenji Narumi | 2003-02-25 |
| 6526013 | Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same | Kenji Narumi | 2003-02-25 |
| 6510116 | Optical information recording/reproducing method and optical information recording/reproducing apparatus | Takashi Ishida, Junichi Minamino, Kenji Koishi, Shigeru Furumiya | 2003-01-21 |