MI

Masafumi Iwashiro

KT Kabushiki Kaisha Toshiba: 18 patents #1,647 of 21,451Top 8%
TS Toshiba Electronic Devices & Storage: 4 patents #179 of 900Top 20%
Overall (All Time): #248,397 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
11996127 Method for manufacturing disk device and computer program product 2024-05-28
11875821 Disk device 2024-01-16
10553248 Magnetic disk device and head position control method 2020-02-04
10372375 Magnetic disk device and command reordering method thereof 2019-08-06
10217485 Magnetic disc device and position control method 2019-02-26
8817416 Magnetic disk device and method of controlling magnetic heads Kazuhiko Takaishi 2014-08-26
8773808 Magnetic disk device and head-position control method Takao Abe, Hiroshi Kubota, Kazuhiko Takaishi 2014-07-08
8315008 Magnetic disk device and head position control method Atsushi Suzuki, Masahide Yatsu 2012-11-20
7423835 Method and apparatus for servo control using spiral servo information in a disk drive Hideo Sado, Masahide Yatsu, Shouji Nakajima, Seiji Mizukoshi, Shinichiro Kouhara 2008-09-09
7221533 Method and apparatus for servo information writing in a disk drive Masahide Yatsu, Hideo Sado 2007-05-22
7173789 Head position calculation method in magnetic disc apparatus Shinichirou Kouhara, Masahide Yatsu, Hideo Sado, Seiji Mizukoshi 2007-02-06
7158334 Method and apparatus for head positioning control with disturbance compensation in a disk drive 2007-01-02
7061710 Method and apparatus for positioning a head in a disk drive with servo writing function 2006-06-13
6940680 Method and apparatus for head positioning control in disk drive 2005-09-06
6934116 Method and apparatus for head positioning control in a disk drive 2005-08-23
6680812 Head positioning control system using sampled data control system for disk drive 2004-01-20
6429996 Method and apparatus for head-positioning control, for use in a disk drive 2002-08-06
5847527 Method and apparatus for digital position control 1998-12-08