SY

Sunao Yonekawa

HG HGST: 5 patents #567 of 1,677Top 35%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #656,886 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7859794 Magnetic head slider and magnetic disk drive Hiroshi Tani 2010-12-28
7733599 Structure to prevent deformation of magnetic disk device housing Hiroaki Shigenaga, Masao Iwakura, Masami Miyatake 2010-06-08
7701669 Magnetic head slider having aperture to prevent fall forward and magnetic disk drive for using said slider Kouichi Watanabe 2010-04-20
7095587 Magnetic head slider and magnet disk apparatus Masayuki Kurita, Toshiya Shiramatsu, Hideaki Tanaka, Koji Miyake, Hidekazu Kohira +1 more 2006-08-22
7061726 Thin film magnetic head Shigekazu Ohtomo, Hiroshi Fukui, Yoji Maruyama, Tadayuki Iwakura 2006-06-13
6992860 Recording/reproducing separated magnetic head with concave portion formed in air bearing protective film Eiji Nakanishi, Yukihiro Isono, Shigeru Tadokoro, Tetsuya Matsusaki, Masao Matsushita 2006-01-31
6329023 Process for producing a magnetic head slider Hiromitsu Tokisue, Nobuyuki Ishii, Yasuyuki Horiguchi, Yoshishige Endo, Yasuhiro Yoshimura +5 more 2001-12-11
6249403 Magnetic hard disk drive and process for producing the same Hiromitsu Tokisue, Nobuyuki Ishii, Yasuyuki Horiguchi, Yoshishige Endo, Yasuhiro Yoshimura +5 more 2001-06-19