Inventor · disambiguated record
Yuzo Yamaguchi
Also filed as: YAMAGUCHI YUZO
28 granted patents·629 citations·filing 1979–2007
97Inventor score
Top patents by PatentIndex Score
28 records- 0194US4984114AFlying head sliderHITACHI LTD·Filed 1989·Granted Jan 8, 1991·66 cites·22 claims
- 0293US7330334B2Magnetic disk apparatus with shroud and having open space downstream of moveable arms in communication with bypass channelHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Feb 12, 2008·14 cites·9 claims
- 0389US5177652ADual-actuator transducer position control apparatus for seeking and following track on rotary diskHITACHI LTD·Filed 1990·Granted Jan 5, 1993·54 cites·8 claims
- 0488US5243482AFloating type magnetic head supporting assembly including a coupling to a slider side surfaceHITACHI LTD·Filed 1990·Granted Sep 7, 1993·46 cites·14 claims
- 0587US6665139B2Magnetic-disc unit with gap between disc and shroudHITACHI LTD·Filed 2001·Granted Dec 16, 2003·23 cites·26 claims
- 0687US6600626B2Magnetic disk apparatusHITACHI LTD·Filed 2002·Granted Jul 29, 2003·19 cites·9 claims
- 0785US5020041AMagneto-optical memory apparatus having a floating magnetic headHITACHI LTD·Filed 1988·Granted May 28, 1991·31 cites·23 claims
- 0884US5031059ARotating disk storage device with cooling gas flow controlHITACHI LTD·Filed 1990·Granted Jul 9, 1991·38 cites·26 claims
- 0984US4814906AMagnetic head sliderHITACHI LTD·Filed 1987·Granted Mar 21, 1989·34 cites·26 claims
- 1082US5140482AGuide arm with affixed printed circuit board for magnetic disk driveHITACHI LTD·Filed 1990·Granted Aug 18, 1992·32 cites·12 claims
- 1180US5245489AGuide arm with a fixed printed circuit board for magnetic disk driveHITACHI LTD·Filed 1992·Granted Sep 14, 1993·28 cites·3 claims
- 1278US5012359AMagnetic disk apparatusHITACHI LTD·Filed 1989·Granted Apr 30, 1991·23 cites·9 claims
- 1378US4884154AFlanged transducer supporting arm for a magnetic head/arm assemblyHITACHI LTD·Filed 1987·Granted Nov 28, 1989·24 cites·6 claims
- 1477US7336440B2Magnetic disc unit with gap between magnetic disc and shroudHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Feb 26, 2008·2 cites·4 claims
- 1577US5223998AMagnetic head slider unit having a float slider and magnetic head mounted thereon for contact magnetic recordingHITACHI LTD·Filed 1992·Granted Jun 29, 1993·25 cites·28 claims
- 1676US5390059AFlying head slider supporting mechanism having active air pressure controlHITACHI LTD·Filed 1993·Granted Feb 14, 1995·28 cites·2 claims
- 1776US4922356ATransducer supporting apparatus and disk storage unitHITACHI LTD·Filed 1987·Granted May 1, 1990·24 cites·16 claims
- 1874US7072141B2Magnetic disc unit with range of gap between disc and shroudHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Jul 4, 2006·6 cites·14 claims
- 1974US6751050B1Magnetic disc unitHITACHI LTD·Filed 1999·Granted Jun 15, 2004·18 cites·15 claims
- 2070US5107383ATransducer supporting device for supporting a transducer in a rotary disk storage unitHITACHI LTD·Filed 1989·Granted Apr 21, 1992·16 cites·1 claims
- 2168US5014144AMagnetic head slider supporting apparatusHITACHI LTD·Filed 1989·Granted May 7, 1991·16 cites·11 claims
- 2265US6898049B2Magnetic disk apparatus with air flow bypass channelHITACHI LTD·Filed 2003·Granted May 24, 2005·4 cites·4 claims
- 2365US5128821AFlying head slider and magnetic disk unit employing sameHITACHI LTD·Filed 1990·Granted Jul 7, 1992·16 cites·19 claims
- 2465US4723186AMagnetic head support armHITACHI LTD·Filed 1985·Granted Feb 2, 1988·14 cites·2 claims
- 2563US7643245B2Magnetic disc unit with gap between magnetic disc and shroudHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Jan 5, 2010·0 cites·4 claims
- 2658US4286919AApparatus for pumping operation of a hydraulic machine having Francis type runnerHITACHI LTD·Filed 1979·Granted Sep 1, 1981·14 cites·5 claims
- 2756US5136438AMagnetic disk device having an auto-loading mechanism and a dust collecting mechanismHITACHI LTD·Filed 1990·Granted Aug 4, 1992·11 cites·14 claims
- 2837US5251083AFlying head slider and method of producing the sameHITACHI LTD·Filed 1992·Granted Oct 5, 1993·3 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →