KY

Kazusuke Yamanaka

HI Hitachi: 2 patents #899 of 4,225Top 25%
📍 Sakahogi, JP: #1 of 1 inventorsTop 100%
Overall (2003): #57,717 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6613428 Magnetic recording medium and magnetic recording and reproducing apparatus wherein the magnetic layer has a fluctuation of field; A or Hf of not less than 30 Oersteds Tomoo Yamamoto, Yuzuru Hosoe, Nobuyuki Inaba, Yasutaro Uesaka, Masaaki Futamoto +3 more 2003-09-02
6572988 Magnetic recording medium and magnetic recording apparatus Nobuyuki Inaba, Kazuetsu Yoshida, Fumiyoshi Kirino, Masaaki Futamoto 2003-06-03