Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6628578 | Disklike storage medium and tracking method using the same | Tadashi Nakamura, Norio Miyatake | 2003-09-30 |
| 6587407 | Information reproducing method and information reproducing device | Tadashi Nakamura, Norio Miyatake | 2003-07-01 |
| 6521357 | Magneto-optical recording medium | Yoshihiko Kudoh, Yuuichi Fukamachi, Masahiro Birukawa | 2003-02-18 |
| 6504797 | Magneto-optical recording medium having multiple magnetic layers and reproducing method thereof | Motoyoshi Murakami, Takeshi Sakaguchi | 2003-01-07 |
| 6504803 | Optical disk apparatus | Toshio Matsumoto, Takashi Inoue | 2003-01-07 |