Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836457 | Information reproducing method and information reproducing device | Tadashi Nakamura, Norio Miyatake | 2004-12-28 |
| 6811889 | Magneto-optical recording medium having a GDFECO readout magnetic film | Yoshihiko Kudoh, Yuuichi Fukamachi, Masahiro Birukawa | 2004-11-02 |
| 6791908 | Magneto-optical recording medium having a transfer control layer | Motoyoshi Murakami, Takeshi Sakaguchi | 2004-09-14 |
| 6767697 | Magneto-optical disk and method for producing same by initializing with a laser having a predetermined wavelength | Kiyoshi Uchida, Motoyoshi Murakami, Norio Miyatake | 2004-07-27 |
| 6765847 | Optical disk and method of magnetically separating tracks of the optical disk | Masahiro Birukawa, Yasushi Hozumi, Tomoyuki Hiroki | 2004-07-20 |
| 6704258 | Tracking error signal detector | Eiji Ueda, Takashi Inoue, Hideki Ohyama, Kiyokazu Hashimoto | 2004-03-09 |