EF

Enji Fujita

HM Hitachi Maxell: 6 patents #147 of 1,211Top 15%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #752,541 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7348077 Magnetic recording medium and magnetic recording apparatus Hideaki Yamanaka, Tsuyoshi Onuma, Satoshi Matsunuma, Akira Yano, Tetsunori Koda +1 more 2008-03-25
7226674 Magnetic recording medium, method for producing the same, and magnetic recording apparatus Tetsunori Koda, Hideaki Yamanaka, Satoshi Matsunuma 2007-06-05
6994923 Magnetic recording medium, method for producing the same, and magnetic recording apparatus Tetsunori Koda, Akira Yano, Tsuyoshi Onuma, Satoshi Matsunuma 2006-02-07
6866948 Magnetic recording medium and magnetic recording apparatus Tetsunori Koda, Hideaki Yamanaka, Satoshi Matsunuma 2005-03-15
6863998 Magnetic recording medium, method for producing the same, and magnetic recording apparatus Tetsunori Koda, Nobuyuki Inaba, Hideaki Yamanaka, Satoshi Matsunuma 2005-03-08
6846583 Magnetic recording medium and magnetic recording apparatus Nobuyuki Inaba, Tetsunori Kouda, Hideaki Yamanaka, Satoshi Matsunuma 2005-01-25
5906884 Magnetic recording medium Yotsuo Yahisa, Yoshibumi Matsuda, Joe Inagaki, Takao Yonekawa, Mitsuhiro Shoda +3 more 1999-05-25