Inventor · disambiguated record
Yimin Hsu
Also filed as: HSU YIMIN
56 granted patents·7 pending applications·1,108 citations·filing 1996–2013
99Inventor score
Files withHITACHI GLOBAL STORAGE TECH31HITACHI GLOBAL STORAGE TECH NL7HSU YIMIN4IBM4HGST Netherlands BV3
Top patents by PatentIndex Score
63 records- 0198US7002775B2Head for perpendicular magnetic recording with a shield structure connected to the return pole pieceHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Feb 21, 2006·132 cites·16 claims
- 0297US7009812B2Magnetic transducer for perpendicular magnetic recording with single pole write head with trailing shieldHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Mar 7, 2006·110 cites·21 claims
- 0396US8233235B2PMR writer having a tapered write pole and bump layer and method of fabricationCHEN YINGJIAN·Filed 2009·Granted Jul 31, 2012·30 cites·20 claims
- 0496US7440230B2Perpendicular recording head with floating-trailing shield extending around first and second sides of main pole pieceHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Oct 21, 2008·26 cites·20 claims
- 0596US7212379B2Perpendicular magnetic recording head with flare and taper configurationsHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted May 1, 2007·72 cites·8 claims
- 0695US8638530B1Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor having a top shield with an antiparallel structureHGST Netherlands BV·Filed 2013·Granted Jan 28, 2014·42 cites·18 claims
- 0795US7576951B2Perpendicular magnetic write head having a magnetic write pole with a concave trailing edgeHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Aug 18, 2009·35 cites·7 claims
- 0895US6259583B1Laminated yoke head with a domain control elementIBM·Filed 1998·Granted Jul 10, 2001·114 cites·15 claims
- 0994US7848054B2Perpendicular magnetic write head having a corner notched conformal, wrap-around, trailing magnetic shield for reduced adjacent track interferenceHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Dec 7, 2010·16 cites·21 claims
- 1094US7196871B2Head for perpendicular recording with a floating trailing shieldHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Mar 27, 2007·40 cites·12 claims
- 1193US7551396B2Perpendicular magnetic write head having a studded trailing shield compatible with read/write offsetHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jun 23, 2009·16 cites·8 claims
- 1292US8066892B2Method for manufacturing a perpendicular magnetic write head with a wrap around shieldGUTHRIE HUNG-CHIN·Filed 2008·Granted Nov 29, 2011·24 cites·20 claims
- 1392US7841068B2Methods of fabricating single-pole recording head having trapezoidal main pole and bevel angle promotion layerHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Nov 30, 2010·12 cites·11 claims
- 1492US7821736B2Shaped trailing shield of a perpendicular recording write elementHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Oct 26, 2010·13 cites·12 claims
- 1592US7804662B2Perpendicular magnetic recording head including wrap around shield with notched top write gap and method of fabricating the sameHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Sep 28, 2010·14 cites·17 claims
- 1692US7768744B2Perpendicular magnetic recording write head with coplanar main pole and return poles and magnetic recording systemHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Aug 3, 2010·12 cites·19 claims
- 1792US7639450B2Flux shunt structure for reducing return pole corner fields in a perpendicular magnetic recording headHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Dec 29, 2009·15 cites·22 claims
- 1892US7253992B2Single-pole recording head having trapezoidal main pole and bevel angle promotion layer and methods of fabricating the sameHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Aug 7, 2007·49 cites·11 claims
- 1992US6693769B2High data rate write headHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted Feb 17, 2004·31 cites·47 claims
- 2092US6671127B2Magnetic recording system with single coil for thermally assisted writingIBM·Filed 2001·Granted Dec 30, 2003·33 cites·14 claims
- 2191US8836059B2Shape enhanced pin read head magnetic transducer with stripe height defined first and method of making sameHGST Netherlands BV·Filed 2012·Granted Sep 16, 2014·13 cites·6 claims
- 2291US8111479B2Perpendicular magnetic recording head having a notched trailing shieldCHEN TSUNG YUAN·Filed 2007·Granted Feb 7, 2012·11 cites·16 claims
- 2391US8054586B2Write head design and method for reducing adjacent track interference at very narrow track widthsHITACHI GLOBAL STORAGE TECH NL·Filed 2005·Granted Nov 8, 2011·11 cites·12 claims
- 2490US7593183B2Magnetic write head design for reducing temperature induced protrusionHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Sep 22, 2009·10 cites·15 claims
- 2589US8441757B2Perpendicular magnetic write head with wrap-around shield, slanted pole and slanted pole bump fabricated by damascene processCHEN YINGJIAN·Filed 2009·Granted May 14, 2013·9 cites·10 claims
- 2688US7506431B2Method of manufacturing a perpendicular magnetic write head having a wrap-around trailing shield and a concave trailing edge main poleHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Mar 24, 2009·8 cites·21 claims
- 2787US7538976B2Trailing shield design for reducing wide area track erasure (water) in a perpendicular recording systemHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted May 26, 2009·7 cites·20 claims
- 2885US5684658AHigh track density dual stripe magnetoresistive (DSMR) headHEADWAY TECHNOLOGIES INC·Filed 1996·Granted Nov 4, 1997·46 cites·16 claims
- 2984US7881019B2Two step corner recess for secondary stray field reduction in a perpendicular magnetic recording headHITACHI GLOBAL STORAGE TECH NL·Filed 2006·Granted Feb 1, 2011·6 cites·10 claims
- 3084US7280314B2Lower saturation field structure for perpendicular AFC poleHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Oct 9, 2007·17 cites·22 claims
- 3183US7587811B2Method for manufacturing a magnetic write head for perpendicular magnetic data recordingHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Sep 15, 2009·13 cites·6 claims
- 3282US7436629B2Laminated magnetic structure for use in a perpendicular magnetic write headHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Oct 14, 2008·4 cites·20 claims
- 3382US7310205B2Thermally assisted recording of magnetic media using a resonant cavity and energyHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Dec 18, 2007·14 cites·45 claims
- 3481US6833976B2Thin film magnetic recording inductive write head with laminated write gapIBM·Filed 2002·Granted Dec 21, 2004·12 cites·25 claims
- 3579US8349197B2Method for manufacturing a perpendicular magnetic write head having a tapered write pole and non-magnetic bump structureHITACHI GLOBAL STORAGE TECH NL·Filed 2009·Granted Jan 8, 2013·3 cites·23 claims
- 3679US7990652B2Perpendicular magnetic write head with stepped write pole for reduced MCW dependency on skew angleHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Aug 2, 2011·3 cites·17 claims
- 3778US7549213B2Method for independent trackwidth and wall angle control and hexagonal write headHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jun 23, 2009·8 cites·4 claims
- 3876US7656611B2Laminated high moment magnetic films antiferromagnetic coupling as write pole of perpendicular magnetic recording headHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Feb 2, 2010·11 cites·23 claims
- 3974US7757380B2Methods for the manufacture of notched trailing shieldsHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jul 20, 2010·7 cites·8 claims
- 4074US7639453B2Perpendicular magnetic write head with shunt structure to prevent read sensor interferenceHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Dec 29, 2009·2 cites·18 claims
- 4173US8139319B2Perpendicular magnetic recording system with magnetic precession for fast switching of perpendicular write pole magnetizationCONTRERAS JOHN THOMAS·Filed 2009·Granted Mar 20, 2012·2 cites·17 claims
- 4273US7877859B2Shield fabrication of magnetic write headsHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Feb 1, 2011·6 cites·6 claims
- 4371US8619391B2Magnetic write heads with bi-layer wrap around shields having dissimilar shield layer widthsHSU YIMIN·Filed 2010·Granted Dec 31, 2013·3 cites·8 claims
- 4471US7764469B2Notched shield and pole structure with slanted wing for perpendicular recordingHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Jul 27, 2010·7 cites·29 claims
- 4571US7649711B2Double notched shield and pole structure for stray field reduction in a magnetic headHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Jan 19, 2010·7 cites·20 claims
- 4669US8929028B2Perpendicular magnetic write head having a laminated trailing return poleHSIAO WEN-CHIEN D·Filed 2010·Granted Jan 6, 2015·3 cites·18 claims
- 4769US6989964B2Magnetic head having a pole piece with a double pedestal structureHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Jan 24, 2006·7 cites·28 claims
- 4868US8108985B2Method for manufacturing a perpendicular magnetic write headZHENG YI·Filed 2007·Granted Feb 7, 2012·4 cites·6 claims
- 4965US8254066B2Technique for measuring process induced magnetic anisotropy in a magnetoresistive sensorHSU YIMIN·Filed 2008·Granted Aug 28, 2012·1 cites·12 claims
- 5062US7616403B2Winged design for reducing corner stray magnetic fieldsHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Nov 10, 2009·4 cites·20 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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