Inventor
YAMAGUCHI YUZO
JP31 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI YUZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
24 patentsUS5177652AJan 5, 1993
Dual-actuator transducer position control apparatus for seeking and following track on rotary disk
HITACHI LTD54 citations96
US4984114AJan 8, 1991
Flying head slider
HITACHI LTD66 citations95
US5223998AJun 29, 1993
Magnetic head slider unit having a float slider and magnetic head mounted thereon for contact magnetic recording
HITACHI LTD25 citations93
US5031059AJul 9, 1991
Rotating disk storage device with cooling gas flow control
HITACHI LTD38 citations93
US6751050B1Jun 15, 2004
Magnetic disc unit
HITACHI LTD18 citations92
US6665139B2Dec 16, 2003
Magnetic-disc unit with gap between disc and shroud
HITACHI LTD23 citations92
US6600626B2Jul 29, 2003
Magnetic disk apparatus
HITACHI LTD19 citations92
US5245489ASep 14, 1993
Guide arm with a fixed printed circuit board for magnetic disk drive
HITACHI LTD28 citations92
US5243482ASep 7, 1993
Floating type magnetic head supporting assembly including a coupling to a slider side surface
HITACHI LTD46 citations92
US5140482AAug 18, 1992
Guide arm with affixed printed circuit board for magnetic disk drive
HITACHI LTD32 citations92
US5020041AMay 28, 1991
Magneto-optical memory apparatus having a floating magnetic head
HITACHI LTD31 citations92
US5012359AApr 30, 1991
Magnetic disk apparatus
HITACHI LTD23 citations91
US4884154ANov 28, 1989
Flanged transducer supporting arm for a magnetic head/arm assembly
HITACHI LTD24 citations91
US5390059AFeb 14, 1995
Flying head slider supporting mechanism having active air pressure control
HITACHI LTD28 citations90
US4922356AMay 1, 1990
Transducer supporting apparatus and disk storage unit
HITACHI LTD24 citations90
US4814906AMar 21, 1989
Magnetic head slider
HITACHI LTD34 citations89
US4286919ASep 1, 1981
Apparatus for pumping operation of a hydraulic machine having Francis type runner
HITACHI LTD14 citations74
US5128821AJul 7, 1992
Flying head slider and magnetic disk unit employing same
HITACHI LTD16 citations73
US5107383AApr 21, 1992
Transducer supporting device for supporting a transducer in a rotary disk storage unit
HITACHI LTD16 citations73
US5136438AAug 4, 1992
Magnetic disk device having an auto-loading mechanism and a dust collecting mechanism
HITACHI LTD11 citations72
US4723186AFeb 2, 1988
Magnetic head support arm
HITACHI LTD14 citations72
US5014144AMay 7, 1991
Magnetic head slider supporting apparatus
HITACHI LTD16 citations71
US6898049B2May 24, 2005
Magnetic disk apparatus with air flow bypass channel
HITACHI LTD4 citations62
US5251083AOct 5, 1993
Flying head slider and method of producing the same
HITACHI LTD3 citations62
HITACHI GLOBAL STORAGE TECH
4 patentsUS7330334B2Feb 12, 2008
Magnetic disk apparatus with shroud and having open space downstream of moveable arms in communication with bypass channel
HITACHI GLOBAL STORAGE TECH14 citations92
US7072141B2Jul 4, 2006
Magnetic disc unit with range of gap between disc and shroud
HITACHI GLOBAL STORAGE TECH6 citations73
US7336440B2Feb 26, 2008
Magnetic disc unit with gap between magnetic disc and shroud
HITACHI GLOBAL STORAGE TECH2 citations62
US7643245B2Jan 5, 2010
Magnetic disc unit with gap between magnetic disc and shroud
HITACHI GLOBAL STORAGE TECH0 citations52
TAKASAGO PERFUMERY CO LTD
3 patentsUS5658584AAug 19, 1997
Antimicrobial compositions with hinokitiol and citronellic acid
TAKASAGO PERFUMERY CO LTD38 citations92
US4612190ASep 16, 1986
Growth inhibitor for cariogenic bacteria
TAKASAGO PERFUMERY CO LTD6 citations74
US4590215AMay 20, 1986
Growth inhibitor for cariogenic bacteria
TAKASAGO PERFUMERY CO LTD2 citations63