YK

Youichi Kawakubo

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
HG HGST: 2 patents #144 of 483Top 30%
Overall (All Time): #583,816 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7385786 Magnetic head slider and a magnetic disk device in which the slider is mounted Mikio Tokuyama, Mieko Ishii, Ryuji Tsuchiyama, Hiromitsu Tokisue 2008-06-10
7072146 Magnetic head slider and a magnetic disk device in which the slider is mounted Mikio Tokuyama, Mieko Ishii, Ryuji Tsuchiyama, Hiromitsu Tokisue 2006-07-04
6985334 Magnetic head slider and a magnetic disk device in which the slider is mounted Mikio Tokuyama, Mieko Ishii, Ryuji Tsuchiyama, Hiromitsu Tokisue 2006-01-10
6597537 Magnetic head slider and a magnetic disk device in which the slider is mounted Mikio Tokuyama, Mieko Ishii, Ryuji Tsuchiyama, Hiromitsu Tokisue 2003-07-22
6452751 Magnetic head slider and a magnetic disk device in which the slider is mounted Mikio Tokuyama, Mieko Ishii, Ryuji Tsuchiyama, Hiromitsu Tokisue 2002-09-17
6373661 Magnetic head slider and a magnetic disk device in which the slider is mounted Mikio Tokuyama, Mieko Ishii, Ryuji Tsuchiyama, Hiromitsu Tokisue 2002-04-16
5548454 Information recording disk, its production method and recording apparatus Yoshio Kawamura, Yosuke Seo 1996-08-20
5020041 Magneto-optical memory apparatus having a floating magnetic head Takeshi Nakao, Masahiro Ojima, Yoshinori Miyamura, Toyoji Okuwaki, Yoshinori Takeuchi +1 more 1991-05-28
4721646 Magnetic recording medium Keigo Iechika, Fuzio Maeda, Masa-aki Imamura, Yoshiki Kato, Eiichi Takasuna 1988-01-26