Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657927 | Optical head and apparatus provided therewith | Hitoshi Watanabe | 2003-12-02 |
| 6633514 | Magneto-optical reproducing method using a plural of different reproducing beams | Katsusuke Shimazaki, Hiroki Takao, Norio Ohta, Akiyoshi Itou, Katsuji Nakagawa | 2003-10-14 |
| 6628574 | Reproducing method and reproducing apparatus using plural light beam powers for transferring a magnetic domain | Katsusuke Shimazaki, Hitoshi Watanabe, Masahumi Yoshihiro, Norio Ohta | 2003-09-30 |
| 6611487 | Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same | Takeshi Shimano, Kenchi Ito, Yooji Maruyama | 2003-08-26 |
| 6584044 | Magneto-optical recording apparatus using multiple magnetic field strengths for recording different mark lengths | Manabu Tani, Masafumi Yoshihiro, Masaki Sekine | 2003-06-24 |
| 6556516 | Reproducing method and reproducing apparatus for magneto-optical recording medium using different radiation patterns | Katsusuke Shimazaki, Susumu Imai, Norio Ohta, Masafumi Yoshihiro, Hitoshi Watanabe +1 more | 2003-04-29 |