Inventor
KOHIRA HIDEKAZU
JP42 patents
⚠️ This page may combine multiple inventors who share the name “KOHIRA HIDEKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS6556381B2Apr 29, 2003
Magnetic disk device and magnetic head slider
HITACHI LTD46 citations96
US5519552AMay 21, 1996
Rotary disk storage unit and head suspension therefor
HITACHI LTD54 citations96
US6657820B2Dec 2, 2003
Magnetic head slider
HITACHI LTD20 citations93
US6157519ADec 5, 2000
Magnetic head gimbal assembly of a magnetic disk unit having a load point matched with the center of impact
HITACHI LTD25 citations93
US6690543B2Feb 10, 2004
Magnetic disk drive with air bearing surface pad on movable portion and method of controlling
HITACHI LTD37 citations92
US6628480B2Sep 30, 2003
Magnetic head slider having optimized ratio of negative pressure recess to front step bearing
HITACHI LTD27 citations92
US5430591AJul 4, 1995
Negative pressure flying head slider having siderails with narrow width portion
HITACHI LTD54 citations91
US6934123B2Aug 23, 2005
Magnetic disk device and magnetic head slider
HITACHI LTD7 citations74
US6744600B2Jun 1, 2004
Magnetic disk device and magnetic head slider
HITACHI LTD8 citations74
US6744598B2Jun 1, 2004
Magnetic disk device and magnetic head slider
HITACHI LTD4 citations74
US6493179B2Dec 10, 2002
Magnetic head gimbal assembly and magnetic disk unit
HITACHI LTD11 citations74
US6445544B2Sep 3, 2002
Magnetic head gimbal assembly and magnetic disk unit
HITACHI LTD8 citations74
US5862017AJan 19, 1999
Rotary disk storage unit and head suspension therefor
HITACHI LTD12 citations74
US5973880AOct 26, 1999
Negative pressure flying head slider having improved side rails construction
HITACHI LTD12 citations73
US6181524B1Jan 30, 2001
Magnetic disk apparatus with slider and slider supporting mechanism including flexible section integrally formed from same material
HITACHI LTD8 citations71
US6795275B2Sep 21, 2004
Magnetic disk device and magnetic head slider
HITACHI LTD6 citations62
US6842309B2Jan 11, 2005
Magnetic head slider having optimized ratio of negative pressure bearing to a front or center step bearing
HITACHI LTD2 citations59
US5457545AOct 10, 1995
Facsimile apparatus and image signal display method and image signal recording method
HITACHI LTD0 citations38
HITACHI GLOBAL STORAGE TECH
17 patentsUS7679863B2Mar 16, 2010
Magnetic head slider with trailing rail surface for flying height control
HITACHI GLOBAL STORAGE TECH25 citations93
US7729088B2Jun 1, 2010
Magnetic disk apparatus with heating device and magnetic head slider used therefor
HITACHI GLOBAL STORAGE TECH24 citations92
US7558022B2Jul 7, 2009
Magnetic disk apparatus with heating device and magnetic head slider used therefor
HITACHI GLOBAL STORAGE TECH17 citations92
US7095587B2Aug 22, 2006
Magnetic head slider and magnet disk apparatus
HITACHI GLOBAL STORAGE TECH41 citations92
US7787216B2Aug 31, 2010
Magnetic head slider and disk drive with reduced damage to recording medium
HITACHI GLOBAL STORAGE TECH11 citations84
US7525765B2Apr 28, 2009
Thermal assist head slider
HITACHI GLOBAL STORAGE TECH16 citations84
US7362544B2Apr 22, 2008
Thin film magnetic head slider, magnetic head support mechanism, magnetic disk drive, and method of manufacturing magnetic head
HITACHI GLOBAL STORAGE TECH10 citations83
US7164556B2Jan 16, 2007
Magnetic disk device and magnetic head slider
HITACHI GLOBAL STORAGE TECH7 citations74
US7061722B2Jun 13, 2006
Magnetic head gimbal assembly and magnetic disk unit
HITACHI GLOBAL STORAGE TECH6 citations74
US6760193B1Jul 6, 2004
Magnetic head gimbal assembly and magnetic disk unit
HITACHI GLOBAL STORAGE TECH6 citations74
US7042678B2May 9, 2006
Magnetic head slider and magnetic disc unit
HITACHI GLOBAL STORAGE TECH5 citations63
US7085103B2Aug 1, 2006
Magnetic head slider with side pads which each have a width W and a length L, wherein W>L
HITACHI GLOBAL STORAGE TECH2 citations62
US7817378B2Oct 19, 2010
Slider air bearing with asymetric side rail
HITACHI GLOBAL STORAGE TECH1 citations52
US7738215B2Jun 15, 2010
Magnetic head slider having spherical of ellipsoidal projection formed thereon
HITACHI GLOBAL STORAGE TECH0 citations52
US7542238B2Jun 2, 2009
Aerodynamic magnetic head slider and magnetic disk drive
HITACHI GLOBAL STORAGE TECH1 citations52
US7626786B2Dec 1, 2009
Compact magnetic head slider with reduced bearing surfaces
HITACHI GLOBAL STORAGE TECH0 citations42
US7580224B2Aug 25, 2009
Magnetic head slider with reduced bearing surface area and magnetic disk drive
HITACHI GLOBAL STORAGE TECH0 citations42