IN

Irizo Naniwa

HI Hitachi: 17 patents #2,231 of 28,497Top 8%
HB Hgst Netherlands, B.V.: 5 patents #155 of 972Top 20%
WT Western Digital Technologies: 5 patents #645 of 3,180Top 25%
HG HGST: 2 patents #1,032 of 1,677Top 65%
Overall (All Time): #128,453 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
6927947 Magnetic disk apparatus Toshihiko Shimizu, Hiromitsu Masuda, Mikio Tokuyama, Shigeo Nakamura, Kousaku Wakatsuki +2 more 2005-08-09
6614627 Magnetic disk apparatus Toshihiko Shimizu, Hiromitsu Masuda, Mikio Tokuyama, Shigeo Nakamura, Kousaku Wakatsuki +2 more 2003-09-02
6552878 Magnetic disk apparatus Kazutaka Sato, Shigeo Nakamura, Takashi Yamaguchi 2003-04-22
6483659 Disk drives Masahito Kobayashi, Takashi Yamaguchi, Kenichi Iimura 2002-11-19