MT

Mikio Tokuyama

HI Hitachi: 47 patents #333 of 28,497Top 2%
HG HGST: 28 patents #176 of 1,677Top 15%
HH Hitachi High-Technologies: 1 patents #1,282 of 1,917Top 70%
XI Xanavi Informatics: 1 patents #75 of 156Top 50%
Overall (All Time): #25,132 of 4,157,543Top 1%
76
Patents All Time

Issued Patents All Time

Showing 26–50 of 76 patents

Patent #TitleCo-InventorsDate
7088543 Suspension having magnetic head assembly mounted thereon and magnetic recording disk drive using the suspension Naoki Satoh, Masayuki Kurita, Junguo Xu 2006-08-08
7072146 Magnetic head slider and a magnetic disk device in which the slider is mounted Mieko Ishii, Ryuji Tsuchiyama, Youichi Kawakubo, Hiromitsu Tokisue 2006-07-04
7072141 Magnetic disc unit with range of gap between disc and shroud Hayato Shimizu, Satomitsu Imai, Shozo Saegusa, Masahiko Sega, Toshihisa Okazaki +1 more 2006-07-04
7042678 Magnetic head slider and magnetic disc unit Ryuji Tsuchiyama, Hiroshi Tani, Hidekazu Kohira, Masayuki Kurita, Mitsuhiro Shoda +2 more 2006-05-09
6985334 Magnetic head slider and a magnetic disk device in which the slider is mounted Mieko Ishii, Ryuji Tsuchiyama, Youichi Kawakubo, Hiromitsu Tokisue 2006-01-10
6963464 Magnetic head heating element in a disk drive Junguo Xu, Ryuji Tsuchiyama, Masaaki Matsumoto 2005-11-08
6954337 Magnetic-head supporting mechanism Yukio Katou, Jyousei Shimizu, Yasuo Kojima, Hiroshi Nishida, Kouki Uefune 2005-10-11
6927947 Magnetic disk apparatus Toshihiko Shimizu, Hiromitsu Masuda, Irizo Naniwa, Shigeo Nakamura, Kousaku Wakatsuki +2 more 2005-08-09
6920009 Magnetic disk apparatus and position control method for magnetic head slider thereof Junguo Xu, Masahito Kobayashi, Shinji Yonemura 2005-07-19
6912102 Magnetic head with IC thereon with recording frequency controlled according to IC position Ryoichi Ichikawa, Shigeo Nakamura, Toshihiko Shimizu, Hiromitsu Masuda, Hiromitsu Tokisue 2005-06-28
6898049 Magnetic disk apparatus with air flow bypass channel Hayato Shimizu, Masao Iwakura, Shigeo Nakamura, Kazuo Sakai, Shigenori Togashi +7 more 2005-05-24
6862505 Vehicle-mounted information processing apparatus having magnetic disk device Naoki Satoh, Takashi Yamaguchi, Atsushi Saito, Kozo Nakamura, Shigeo Nakamura +2 more 2005-03-01
6781783 Magnetic disk apparatus Yasuo Amano, Shigeo Nakamura, Osamu Narisawa, Masahito Kobayashi, Hiroyasu Sasaki +1 more 2004-08-24
6754023 Magnetic disk device with magnetic head supporting mechanism having integrated circuit mounted thereon Ryoichi Ichikawa, Shigeo Nakamura, Toshihiko Shimizu, Hiromitsu Masuda, Hiromitsu Tokisue 2004-06-22
6751050 Magnetic disc unit Hayato Shimizu, Satomitsu Imai, Shozo Saegusa, Masahiko Sega, Toshihisa Okazaki +1 more 2004-06-15
6665139 Magnetic-disc unit with gap between disc and shroud Hayato Shimizu, Satomitsu Imai, Shozo Saegusa, Masahiko Sega, Toshihisa Okazaki +7 more 2003-12-16
6633455 Slider capable of reducing distance between head element and recording medium, and recording apparatus incorporating same Hiromitsu Tokisue, Hiroshi Tani, Junguo Xu, Ryuji Tsuchiyama 2003-10-14
6624982 Magnetic disk recording apparatus Hiromitsu Masuda, Toshihiko Shimizu, Masahito Kobayashi, Masaki Odai 2003-09-23
6621663 Magnetic-head supporting mechanism Yukio Katou, Jyousei Shimizu, Yasuo Kojima, Hiroshi Nishida, Kouki Uefune 2003-09-16
6618225 Magnetic head supporting apparatus having thermally insulated IC mounted on an arm portion Hayato Shimizu, Norio Nakazato, Masaaki Matsumoto, Yoshihiro Shiroishi, Toshihiko Shimizu +1 more 2003-09-09
6614627 Magnetic disk apparatus Toshihiko Shimizu, Hiromitsu Masuda, Irizo Naniwa, Shigeo Nakamura, Kousaku Wakatsuki +2 more 2003-09-02
6614623 Disc drive head supporting mechanism having power supply pads for an integrated circuit which are of a greater area than signal/control junction pads Shigeo Nakamura, Kousaku Wakatsuki, Haruhide Takahashi, Hitoshi Shindo, Hiromitsu Masuda +1 more 2003-09-02
6600626 Magnetic disk apparatus Hayato Shimizu, Masao Iwakura, Shigeo Nakamura, Kazuo Sakai, Shigenori Togashi +7 more 2003-07-29
6597537 Magnetic head slider and a magnetic disk device in which the slider is mounted Mieko Ishii, Ryuji Tsuchiyama, Youichi Kawakubo, Hiromitsu Tokisue 2003-07-22
6594104 Magnetic disk unit including temperature sensing of IC mounted on suspension Toshihiko Shimizu, Hiromitsu Masuda, Shigeo Nakamura 2003-07-15