Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671233 | Magneto-optical recording medium and reproduction method therefor | Katsusuke Shimazaki, Yoshitane Tsuburaya, Norio Ohta, Hitoshi Watanabe | 2003-12-30 |
| 6633514 | Magneto-optical reproducing method using a plural of different reproducing beams | Hiroyuki Awano, Katsusuke Shimazaki, Norio Ohta, Akiyoshi Itou, Katsuji Nakagawa | 2003-10-14 |
| 6556516 | Reproducing method and reproducing apparatus for magneto-optical recording medium using different radiation patterns | Katsusuke Shimazaki, Susumu Imai, Norio Ohta, Hiroyuki Awano, Masafumi Yoshihiro +1 more | 2003-04-29 |