CY

Chikazu Yokoi

HI Hitachi: 13 patents #3,142 of 28,497Top 15%
Overall (All Time): #383,623 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
D730894 Magnetic disc storage unit for electronic computer Junpei Hokari, Toshiyuki Utsuki, Koichi Umezawa, Kenta Kumagai, Yoshikatsu Kasahara 2015-06-02
D690694 Magnetic disk storage unit for electronic computer Toshiyuki Utsuki, Sayuri Hashizume, Koichi Umezawa, Kenta Kumagai, Yoshikatsu Kasahara 2013-10-01
7965502 Storage device Kenichi Miyamoto 2011-06-21
7911789 Disk array system Tsuyoshi Sasagawa, Hirokazu Takahashi, Takahiko Iwasaki, Taro Takahashi 2011-03-22
7738254 Disk array system Yuri Oyama, Tsuyoshi Sasagawa 2010-06-15
7724529 Disk array system Yuri Oyama, Tsuyoshi Sasagawa, Yuki Sakuma 2010-05-25
7719834 Storage device Kenichi Miyamoto 2010-05-18
7593225 Disk array system Tsuyoshi Sasagawa, Hirokazu Takahashi, Takahiko Iwasaki, Taro Takahashi 2009-09-22
D575780 Magnetic disc storage unit for electronic computer Kazuhiko Nishiyama, Toshiyuki Utsuki, Sayuri Hashizume, Takamasa Ishikawa, Masami Aoki +1 more 2008-08-26
D575782 Magnetic disc storage unit for electronic computer Kazuhiko Nishiyama, Toshiyuki Utsuki, Takamasa Ishikawa 2008-08-26
D573988 Magnetic disc storage unit for electronic computer Kazuhiko Nishiyama, Toshiyuki Utsuki, Yoshikatsu Kasahara, Youji Okabe 2008-07-29
5220552 Disc apparatus with a guide for disk insertion Masayuki Tamasaku, Masaru Yokoyama, Shunji Fujimori 1993-06-15
5060207 Magneto-optical recording/reproducing apparatus Tokuya Kaneda 1991-10-22