Inventor · disambiguated record
Michael Alex
Also filed as: ALEX MICHAEL
19 granted patents·1 pending application·680 citations·filing 1994–2021
96Inventor score
Files withALEX MICHAEL5WESTERN DIGITAL TECH INC5HITACHI GLOBAL STORAGE TECH3KOMAG INC3BERTERO GERARDO A1
Top patents by PatentIndex Score
20 records- 0198US7196860B2Circuit and method for refreshing data recorded at a density sufficiently high to undergo thermal degradationKOMAG INC·Filed 2003·Granted Mar 27, 2007·93 cites·62 claims
- 0298US6628466B2Circuit and method for refreshing data recorded at a density sufficiently high to undergo thermal degradationKOMAG INC·Filed 2002·Granted Sep 30, 2003·116 cites·23 claims
- 0397US6429984B1Circuit and method for refreshing data recorded at a density sufficiently high to undergo thermal degradationKOMAG INC·Filed 1999·Granted Aug 6, 2002·136 cites·46 claims
- 0496US8773957B1Disk drive destabilizing magnetization of test pattern using head laser to enhance defect detectionWESTERN DIGITAL TECH INC·Filed 2013·Granted Jul 8, 2014·56 cites·14 claims
- 0596US8743666B1Energy assisted magnetic recording medium capable of suppressing high DC readback noiseBERTERO GERARDO A·Filed 2011·Granted Jun 3, 2014·72 cites·18 claims
- 0696US8446690B2Perpendicular magnetic recording write head with spin torque oscillator for fast switching of write pole magnetizationALEX MICHAEL·Filed 2009·Granted May 21, 2013·52 cites·14 claims
- 0796US8116031B2Perpendicular magnetic recording system with helical write coil and auxiliary coil for fast switching of write pole magnetizationALEX MICHAEL·Filed 2009·Granted Feb 14, 2012·36 cites·20 claims
- 0895US8189281B2Magnetic recording disk drive with write driver to write head transmission line having non-uniform sections for optimal write current pulse overshootALEX MICHAEL·Filed 2009·Granted May 29, 2012·27 cites·12 claims
- 0993US7787201B2Method and apparatus for controlling fly-height of a perpendicular-magnetic-recording head in a hard disk driveHITACHI GLOBAL STORAGE TECH·Filed 2008·Granted Aug 31, 2010·16 cites·21 claims
- 1089US8897103B2Disk drive calibrating a laser write power for heat assisted magnetic recordingALEX MICHAEL·Filed 2011·Granted Nov 25, 2014·13 cites·20 claims
- 1187US7633694B2Method and apparatus for quantifying stress and damage in magnetic headsHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Dec 15, 2009·8 cites·12 claims
- 1283US9001630B1Energy assisted magnetic recording medium capable of suppressing high DC readback noiseWESTERN DIGITAL TECH INC·Filed 2014·Granted Apr 7, 2015·5 cites·2 claims
- 1376US9183859B1HAMR writer pole length characterizationWESTERN DIGITAL FREMONT LLC·Filed 2014·Granted Nov 10, 2015·3 cites·20 claims
- 1474US5616218AModification and selection of the magnetic properties of magnetic recording media through selective control of the crystal texture of the recording layerMATEREIALS RESEARCH CORP·Filed 1994·Granted Apr 1, 1997·41 cites·15 claims
- 1572US9183867B1Systems and methods for forming implanted capping layers in magnetic media for magnetic recordingWD MEDIA INC·Filed 2013·Granted Nov 10, 2015·2 cites·20 claims
- 1668US8116021B2Synchronized rewriting of dataALEX MICHAEL·Filed 2009·Granted Feb 14, 2012·1 cites·16 claims
- 1767US11348037B2Machine learning-based read channel data detectionWESTERN DIGITAL TECH INC·Filed 2021·Granted May 31, 2022·0 cites·20 claims
- 1867US9171575B1Data storage device detecting media defects by writing opposite polarity test patternWESTERN DIGITAL TECH INC·Filed 2014·Granted Oct 27, 2015·2 cites·18 claims
- 1965US11080621B2Machine learning-based read channel data detectionWESTERN DIGITAL TECH INC·Filed 2018·Granted Aug 3, 2021·1 cites·23 claims
- 2043US2006066971A1System and method for ameliorating the effects of adjacent track erasure in magnetic data storage deviceHITACHI GLOBAL STORAGE TECH·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →