HM

Hiromitsu Masuda

HG HGST: 9 patents #738 of 1,677Top 45%
HI Hitachi: 8 patents #5,191 of 28,497Top 20%
HB Hgst Netherlands, B.V.: 3 patents #257 of 972Top 30%
WT Western Digital Technologies: 2 patents #1,273 of 3,180Top 45%
Overall (All Time): #194,395 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10891980 Central support for improved structural dynamics of actuators in a multi-actuator hard disk drive Manoj Keshavan, Jung-Seo Park, Shigenori Takada 2021-01-12
10594100 Flexible type electrical feed-through connector assembly Miki Namihisa, Kimihiko Sudo, Nobumasa Nishiyama, Satoshi Nakamura, Hiroshi Matsuda 2020-03-17
9177578 Hard disk drive voice coil actuator latch Akinori Takayama, Shinichi Kimura 2015-11-03
8767353 Low profile damper plates for a yoke of a voice coil motor Kimihiko Sudo, Kouki Uefune, Takako Hayakawa 2014-07-01
8630061 Retaining a spoiler in a hard disk drive Kimihiko Sudo, Kouki Uefune, Yoshiyuki Hirono 2014-01-14
8305714 Voice-coil motor with voice coils configured oriented in the same direction and substantially overlayed to reduce head vibrations in a disk drive Kenji Suzuki, Eiji Soga, Mutsuro Ohta, Takaaki Deguchi 2012-11-06
7929254 Disk drive device and carriage of actuator with damping member Eiji Soga, Masakazu Sasaki, Hajime Eguchi 2011-04-19
7545607 Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same Toshihiko Shimizu, Tetsuya Hamaguchi, Toshihiro Arisaka, Gentaro Nakamura, Takenori Atsumi 2009-06-09
7130159 Magnetic disk apparatus Toshihiko Shimizu, Irizo Naniwa, Mikio Tokuyama, Shigeo Nakamura, Kousaku Wakatsuki +2 more 2006-10-31
7110223 Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same Toshihiko Shimizu, Tetsuya Hamaguchi, Toshihiro Arisaka, Gentaro Nakamura, Takenori Atsumi 2006-09-19
7031118 Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same Toshihiko Shimizu, Tetsuya Hamaguchi, Toshihiro Arisaka, Gentaro Nakamura, Takenori Atsumi 2006-04-18
6982852 Carriage arm assembly for magnetic disk drive Shin Nagahiro, Masahiko Sega, Toshihiro Arisaka, Toshihiko Shimizu, Tetsuya Hamaguchi +2 more 2006-01-03
6970330 Magnetic disk drive with carriage having bobbin supporting annular coil connected by connection members Toshihiro Arisaka, Toshihiko Shimizu, Gentaro Nakamura 2005-11-29
6927947 Magnetic disk apparatus Toshihiko Shimizu, Irizo Naniwa, Mikio Tokuyama, Shigeo Nakamura, Kousaku Wakatsuki +2 more 2005-08-09
6912102 Magnetic head with IC thereon with recording frequency controlled according to IC position Mikio Tokuyama, Ryoichi Ichikawa, Shigeo Nakamura, Toshihiko Shimizu, Hiromitsu Tokisue 2005-06-28
6879467 Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same Toshihiko Shimizu, Tetsuya Hamaguchi, Toshihiro Arisaka, Gentaro Nakamura, Takenori Atsumi 2005-04-12
6754023 Magnetic disk device with magnetic head supporting mechanism having integrated circuit mounted thereon Mikio Tokuyama, Ryoichi Ichikawa, Shigeo Nakamura, Toshihiko Shimizu, Hiromitsu Tokisue 2004-06-22
6624982 Magnetic disk recording apparatus Toshihiko Shimizu, Mikio Tokuyama, Masahito Kobayashi, Masaki Odai 2003-09-23
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, Mikio Tokuyama +1 more 2003-09-02
6614627 Magnetic disk apparatus Toshihiko Shimizu, Irizo Naniwa, Mikio Tokuyama, Shigeo Nakamura, Kousaku Wakatsuki +2 more 2003-09-02
6594104 Magnetic disk unit including temperature sensing of IC mounted on suspension Mikio Tokuyama, Toshihiko Shimizu, Shigeo Nakamura 2003-07-15
5450931 Vibration control apparatus Taichi Sato, Kihachiro Tanaka, Yukiko Ikeda 1995-09-19