Inventor · disambiguated record
Junguo Xu
Also filed as: XU JUNGUO
30 granted patents·10 pending applications·350 citations·filing 2001–2021
97Inventor score
Files withHITACHI GLOBAL STORAGE TECH11HGST Netherlands BV7HITACHI LTD6FURUKAWA MASARU4SHIMIZU YUKI3
Top patents by PatentIndex Score
40 records- 0196US7271975B2Controlling head flying height in a data storage deviceHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Sep 18, 2007·32 cites·16 claims
- 0296US6963464B2Magnetic head heating element in a disk driveHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted Nov 8, 2005·67 cites·11 claims
- 0394US6798605B2Magnetic disk apparatus and method of controlling the sameHITACHI LTD·Filed 2001·Granted Sep 28, 2004·46 cites·24 claims
- 0492US9355668B2Hard disk drive with contact detection using a spin torque oscillatorHGST Netherlands BV·Filed 2013·Granted May 31, 2016·16 cites·14 claims
- 0592US6690543B2Magnetic disk drive with air bearing surface pad on movable portion and method of controllingHITACHI LTD·Filed 2001·Granted Feb 10, 2004·37 cites·7 claims
- 0691US7088543B2Suspension having magnetic head assembly mounted thereon and magnetic recording disk drive using the suspensionHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Aug 8, 2006·26 cites·9 claims
- 0790US8797693B1Implementing enhanced ESD prevention for hard disk drives using spin-torque oscillator (STO)HGST Netherlands BV·Filed 2013·Granted Aug 5, 2014·13 cites·20 claims
- 0888US7474504B2Magnetic head heating element in a disk driveHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jan 6, 2009·7 cites·10 claims
- 0988US7375913B2Suspension having magnetic head assembly mounted thereon and magnetic recording disk drive using the suspensionHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted May 20, 2008·6 cites·10 claims
- 1087US8477455B2Noise and particle shield for contact sensor in a sliderFURUKAWA MASARU·Filed 2010·Granted Jul 2, 2013·11 cites·6 claims
- 1187US8116037B2Disk drive including head-slider configured to suppress lubricant droplet accumulationKOHIRA HIDEKAZU·Filed 2009·Granted Feb 14, 2012·15 cites·13 claims
- 1286US8885274B1Implementing surface analysis test (SAT) function for microwave-assisted magnetic recording (MAMR) HDD with embedded contact sensor (ECS) and spin torque oscillator (STO) signalsHGST Netherlands BV·Filed 2013·Granted Nov 11, 2014·8 cites·22 claims
- 1383US8670116B2Method and device for inspecting for defectsNAKAO TOSHIYUKI·Filed 2011·Granted Mar 11, 2014·6 cites·16 claims
- 1481US7209309B2Magnetic disk apparatus and method of controlling the sameHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Apr 24, 2007·12 cites·4 claims
- 1576US9311945B2Magnetic head for microwave assisted magnetic recordingHGST Netherlands BV·Filed 2013·Granted Apr 12, 2016·3 cites·10 claims
- 1676US9007724B1Head structure with electric damage protection for a microwave-assisted hard disk driveHGST Netherlands BV·Filed 2014·Granted Apr 14, 2015·3 cites·20 claims
- 1774US8184397B2Hard-disk drive with vapor-phase lubricant supply systemKATO YUKIO·Filed 2009·Granted May 22, 2012·2 cites·9 claims
- 1874US6920009B2Magnetic disk apparatus and position control method for magnetic head slider thereofHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Jul 19, 2005·9 cites·11 claims
- 1973US8315016B2Head slider, head assembly, and magnetic disk deviceFURUKAWA MASARU·Filed 2009·Granted Nov 20, 2012·2 cites·19 claims
- 2073US8102626B2Disk drive and head sliderLI JIANHUA·Filed 2008·Granted Jan 24, 2012·2 cites·19 claims
- 2172US6633455B2Slider capable of reducing distance between head element and recording medium, and recording apparatus incorporating sameHITACHI LTD·Filed 2001·Granted Oct 14, 2003·9 cites·6 claims
- 2271US8218266B2Head sliderSHIMIZU YUKI·Filed 2007·Granted Jul 10, 2012·2 cites·7 claims
- 2369US9053725B1High-speed recording disk defect detectionHGST Netherlands BV·Filed 2014·Granted Jun 9, 2015·3 cites·18 claims
- 2468US7151644B2Magnetic disk apparatus and position control method for magnetic head slider thereofHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Dec 19, 2006·1 cites·11 claims
- 2565US9159348B2Systems and methods for clearance monitoring in storage mediaHGST Netherlands BV·Filed 2013·Granted Oct 13, 2015·1 cites·20 claims
- 2664US7042678B2Magnetic head slider and magnetic disc unitHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 9, 2006·5 cites·5 claims
- 2761US7038883B2Magnetic head slider, support therefor and magnetic disk unitHITACHI GOLBAL STORAGE TECHNOL·Filed 2003·Granted May 2, 2006·6 cites·12 claims
- 2857US2007070550A1Magnetic disk apparatus and method of controlling the sameKURITA MASAYUKI·Filed 2006·Application pending·0 cites
- 2956US7738215B2Magnetic head slider having spherical of ellipsoidal projection formed thereonHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Jun 15, 2010·0 cites·13 claims
- 3052US2008297949A1Head sliderHITACHI LTD·Filed 2008·Application pending·0 cites
- 3150US2009073610A1Magnetic head slider and magnetic disk driveOHTANI TOSHIAKI·Filed 2008·Application pending·0 cites
- 3250US2008259502A1Magnetic head sliderSHIMIZU YUKI·Filed 2008·Application pending·0 cites
- 3349US8270116B2Magnetic disk drive and magnetic head slider with stabilized flyingSHIMIZU YUKI·Filed 2006·Granted Sep 18, 2012·0 cites·18 claims
- 3445US2007025023A1Magnetic head slider with suppressed flying height reduction and magnetic hard disk driveHITACHI GLOBAL STORAGE TECH·Filed 2005·Application pending·0 cites
- 3543US8553512B2Magnetic head slider inspection deviceFURUKAWA MASARU·Filed 2011·Granted Oct 8, 2013·0 cites·13 claims
- 3642US2011242524A1Flat surface inspection apparatusHITACHI LTD·Filed 2011·Application pending·0 cites
- 3738US2014110606A1Near-field optical defect inspection apparatusHITACHI LTD·Filed 2011·Application pending·0 cites
- 3837US2023005503A1Heat-assisted magnetic recording (hamr) media with magnesium trapping layerWESTERN DIGITAL TECH INC·Filed 2021·Application pending·0 cites
- 3936US2010309585A1Head slider and magnetic disk deviceFURUKAWA MASARU·Filed 2010·Application pending·0 cites
- 4033US2011299188A1Magnetic head slider and magnetic disk driveONO KYOSUKE·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →