NO

Norio Ohta

HM Hitachi Maxell: 4 patents #7 of 92Top 8%
Overall (2003): #13,810 of 273,478Top 6%
4
Patents 2003

Issued Patents 2003

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6671233 Magneto-optical recording medium and reproduction method therefor Katsusuke Shimazaki, Yoshitane Tsuburaya, Hitoshi Watanabe, Hiroki Takao 2003-12-30
6633514 Magneto-optical reproducing method using a plural of different reproducing beams Hiroyuki Awano, Katsusuke Shimazaki, Hiroki Takao, 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, Hiroyuki Awano, Masahumi Yoshihiro 2003-09-30
6556516 Reproducing method and reproducing apparatus for magneto-optical recording medium using different radiation patterns Katsusuke Shimazaki, Susumu Imai, Hiroyuki Awano, Masafumi Yoshihiro, Hitoshi Watanabe +1 more 2003-04-29