TO

Tsuyoshi Onuma

HM Hitachi Maxell: 6 patents #147 of 1,211Top 15%
ND Nippon Denkai: 1 patents #8 of 23Top 35%
📍 Soma, JP: #122 of 570 inventorsTop 25%
Overall (All Time): #698,165 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12091766 Electrolytic copper foil and method for producing same Toshio Kawasaki, Yasuhiro Endo 2024-09-17
7348077 Magnetic recording medium and magnetic recording apparatus Enji Fujita, Hideaki Yamanaka, Satoshi Matsunuma, Akira Yano, Tetsunori Koda +1 more 2008-03-25
6994923 Magnetic recording medium, method for producing the same, and magnetic recording apparatus Tetsunori Koda, Akira Yano, Enji Fujita, Satoshi Matsunuma 2006-02-07
6970400 Information recording medium with magnetic marks, recording and reproducing apparatus therefor, and head positioning method using detected magnetic leakage fields from the magnetic marks Kouichirou Wakabayashi, Teruaki Takeuchi, Nobuyuki Inaba, Fumiyoshi Kirino 2005-11-29
6846582 Magnetic recording medium, method for producing the same, and magnetic storage apparatus Akira Yano, Satoshi Matsunuma, Takanobu Takayama 2005-01-25
6815098 Magnetic recording medium, method for producing the same, and magnetic storage apparatus Satoshi Matsunuma, Akira Yano, Takanobu Takayama, Harumi Hieida, Kouichirou Wakabayashi 2004-11-09
6602621 Magnetic recording medium, method for producing the same, and magnetic storage apparatus Satoshi Matsunuma, Akira Yano, Takanobu Takayama, Harumi Hieida, Kouichirou Wakabayashi 2003-08-05