Inventor
FUJII YOSHIKATSU
JP13 patents
⚠️ This page may combine multiple inventors who share the name “FUJII YOSHIKATSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
5 patentsUS6407876B1Jun 18, 2002
Magnetic disk apparatus having an accelerometer for detecting acceleration in the positioning direction of the magnetic head
HITACHI LTD37 citations92
US6335845B1Jan 1, 2002
Magnetic disk apparatus having an accelerometer for detecting acceleration in the positioning direction of the magnetic head
HITACHI LTD19 citations92
US6510014B2Jan 21, 2003
Disturbance detection circuit, memory device thereof, and disturbance detection method
HITACHI LTD33 citations91
US5986845ANov 16, 1999
Apparatus for positioning magnetic head and method of the same
HITACHI LTD20 citations83
US7375917B1May 20, 2008
Idle seek calibration method for magnetic disk drive and magnetic disk drive with an intermission calibration
HITACHI LTD6 citations61
HITACHI GLOBAL STORAGE TECH
5 patentsUS6920007B2Jul 19, 2005
Load/unload method and a magnetic disk drive using the method
HITACHI GLOBAL STORAGE TECH21 citations90
US7808737B2Oct 5, 2010
Magnetic disk drive
HITACHI GLOBAL STORAGE TECH2 citations62
US7133242B2Nov 7, 2006
Magnetic disk drive and magnetic disk drive control
HITACHI GLOBAL STORAGE TECH5 citations59
US7486461B2Feb 3, 2009
Magnetic disk device and read/write method
HITACHI GLOBAL STORAGE TECH3 citations58
US6950264B2Sep 27, 2005
Disk drive system for controlling seek operations
HITACHI GLOBAL STORAGE TECH1 citations51