Inventor
HAMAGUCHI TETSUYA
JP25 patents
⚠️ This page may combine multiple inventors who share the name “HAMAGUCHI TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS6597532B1Jul 22, 2003
Information recording disk apparatus
HITACHI LTD44 citations92
US6549377B2Apr 15, 2003
Magnetic disk drive with a movable ramp mechanism for relieving impact upon loading and unloading
HITACHI LTD22 citations92
US6462910B1Oct 8, 2002
Magnetic disk apparatus
HITACHI LTD31 citations92
US6369988B1Apr 9, 2002
Magnetic disk drive with a movable ramp mechanism for relieving impact upon loading and unloading
HITACHI LTD43 citations92
US6069774AMay 30, 2000
Magnetic head support device for magnetic disc recording device
HITACHI LTD21 citations92
US5999369ADec 7, 1999
Magnetic disk apparatus
HITACHI LTD39 citations92
US5835305ANov 10, 1998
Magnetic disk apparatus employing liquid bearing type or physical contact type magnetic head slider
HITACHI LTD24 citations92
US5820964AOct 13, 1998
Magnetic disk, and magnetic disk apparatus
HITACHI LTD22 citations92
US6490116B1Dec 3, 2002
Retraction control method and magnetic disk apparatus
HITACHI LTD16 citations84
US6307716B1Oct 23, 2001
Magnetic disk device
HITACHI LTD18 citations84
US6226155B1May 1, 2001
Ramp load type magnetic disk unit
HITACHI LTD17 citations84
US6373659B1Apr 16, 2002
Magnetic slider head and method of producing the same
HITACHI LTD8 citations74
US6122148ASep 19, 2000
Magnetic head slider and method of production thereof
HITACHI LTD10 citations74
US6839956B2Jan 11, 2005
Method for assembling disc apparatus
HITACHI LTD8 citations73
US5530605AJun 25, 1996
Magnetic-head slider support mechanism and magnetic recording apparatus
HITACHI LTD7 citations73
US6876513B2Apr 5, 2005
Rotary disk type storage device
HITACHI LTD3 citations63
US6636385B2Oct 21, 2003
Magnetic disc apparatus having actuator for head positioning mechanism
HITACHI LTD5 citations63
US5930082AJul 27, 1999
Magnetic head support device for magnetic disc recording device
HITACHI LTD3 citations63
HITACHI GLOBAL STORAGE TECH
5 patentsUS7545607B2Jun 9, 2009
Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same
HITACHI GLOBAL STORAGE TECH6 citations73
US6879467B2Apr 12, 2005
Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same
HITACHI GLOBAL STORAGE TECH9 citations73
US6982852B2Jan 3, 2006
Carriage arm assembly for magnetic disk drive
HITACHI GLOBAL STORAGE TECH10 citations71
US7110223B2Sep 19, 2006
Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same
HITACHI GLOBAL STORAGE TECH3 citations62
US7031118B2Apr 18, 2006
Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same
HITACHI GLOBAL STORAGE TECH0 citations51