Inventor · disambiguated record
Edward Hin Pong Lee
Also filed as: LEE EDWARD H · LEE EDWARD H P · LEE EDWARD HIN PONG
97 granted patents·10 pending applications·1,079 citations·filing 1993–2021
99Inventor score
Files withHITACHI GLOBAL STORAGE TECH50IBM15HGST Netherlands BV10HITACHI GLOBAL STORAGE TECH NL7ALLEN DONALD G2
Top patents by PatentIndex Score
107 records- 0198US11881237B1Cross track current design for energy assisted magnetic recordingWESTERN DIGITAL TECH INC·Filed 2021·Granted Jan 23, 2024·9 cites·20 claims
- 0297US11087782B1Shielding between heads for tape driveWESTERN DIGITAL TECH INC·Filed 2020·Granted Aug 10, 2021·10 cites·21 claims
- 0397US7713762B2Testing the quality of lift-off processes in wafer fabricationHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted May 11, 2010·107 cites·20 claims
- 0497US7120988B2Method for forming a write head having air bearing surface (ABS)HITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Oct 17, 2006·81 cites·31 claims
- 0596US7835111B2Magnetic write head with upper return pole optimization for reduced trailing shield protrusionHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Nov 16, 2010·49 cites·20 claims
- 0696US5805382AIntegrated conductor magnetic recording head and suspension having cross-over integrated circuits for noise reductionIBM·Filed 1996·Granted Sep 8, 1998·122 cites·38 claims
- 0794US7464457B2Method for forming a write head having an air bearing surface (ABS)HITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Dec 16, 2008·39 cites·11 claims
- 0892US7768744B2Perpendicular 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
- 0992US7612963B2Perpendicular magnetic recording head with photoresist dam between write coil and air bearing surfaceHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Nov 3, 2009·16 cites·7 claims
- 1091US7969687B2Magnetic head with delayed connection heater shuntingHITACHI GLOBAL STORAGE TECH NL·Filed 2008·Granted Jun 28, 2011·11 cites·20 claims
- 1191US6804879B2Method of fabricating a magnetic transducer with a write head having a multi-layer coilHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Oct 19, 2004·32 cites·8 claims
- 1290US7593183B2Magnetic write head design for reducing temperature induced protrusionHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Sep 22, 2009·10 cites·15 claims
- 1390US7079355B2Magnetic transducer with a write head having a multi-layer coilHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Jul 18, 2006·24 cites·15 claims
- 1489US8441757B2Perpendicular 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
- 1589US8218263B2Write head with different upper and lower yoke lengths and methods for making the sameALLEN DONALD G·Filed 2008·Granted Jul 10, 2012·10 cites·18 claims
- 1689US7633711B2Magnetic write head with helical coil structure using multiple materialsHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Dec 15, 2009·11 cites·20 claims
- 1789US7567409B2Multilayer narrow pitch tape head arrayHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jul 28, 2009·9 cites·5 claims
- 1888US8361541B2Fabrication of magnetoresistive sensors and electronic lapping guidesHGST Netherlands BV·Filed 2009·Granted Jan 29, 2013·8 cites·10 claims
- 1988US6687083B2Enhanced low profile magnet write headHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted Feb 3, 2004·26 cites·18 claims
- 2087US6538857B1Read head with N-cycle switch for electrostatic discharge (ESD) protectionIBM·Filed 2000·Granted Mar 25, 2003·24 cites·32 claims
- 2186US8031432B2Magnetic write head having helical coil with a fin structure for reduced heat induced protrusionHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Oct 4, 2011·7 cites·14 claims
- 2285US7506429B2Method of constructing a magnetic sensorHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Mar 24, 2009·5 cites·3 claims
- 2383US9047894B2Magnetic write head having spin torque oscillator that is self aligned with write poleHGST Netherlands BV·Filed 2013·Granted Jun 2, 2015·6 cites·8 claims
- 2483US8730617B1Tapered leading and side shields for use in a perpendicular magnetic recording headHGST Netherlands BV·Filed 2013·Granted May 20, 2014·8 cites·19 claims
- 2583US8547660B2Magnetic write head manufactured by an enhanced damascene process producing a tapered write pole with a non-magnetic spacer and non-magnetic bumpALLEN DONALD G·Filed 2009·Granted Oct 1, 2013·13 cites·6 claims
- 2683US7127801B2Method for shaping pole pieces of magnetic heads by chemical mechanical polishingHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Oct 31, 2006·4 cites·6 claims
- 2783US6470566B2ESD protection during GMR head fabricationIBM·Filed 2001·Granted Oct 29, 2002·27 cites·20 claims
- 2882US7633710B2Magnetic head having reduced induction coil electrical resistance and method for the fabrication thereofHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Dec 15, 2009·4 cites·20 claims
- 2981US8472148B2Self-aligned double flux guided TMR sensorBROWN DIANE L·Filed 2009·Granted Jun 25, 2013·4 cites·22 claims
- 3081US8065788B2Method for manufacturing a slider for a perpendicular magnetic recording headGURUZ UNAL MURAT·Filed 2008·Granted Nov 29, 2011·8 cites·18 claims
- 3180US7881010B2Process for self-aligned flare point and shield throat definition prior to main pole patterningHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Feb 1, 2011·4 cites·20 claims
- 3279US8896966B2Magnetic write head having a coil adjacent to the main poleHGST Netherlands BV·Filed 2013·Granted Nov 25, 2014·4 cites·17 claims
- 3379US8508886B2Use of magnetic material for RIE stop layer during damascene main pole formationCHEN YINGJIAN·Filed 2011·Granted Aug 13, 2013·6 cites·20 claims
- 3479US6510022B1Method for shaping pole pieces of magnetic heads by chemical mechanical polishingIBM·Filed 2000·Granted Jan 21, 2003·17 cites·10 claims
- 3578US7508613B2Method and apparatus for balanced shield shunts, leads and pads for electrical noise reduction in read headsHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Mar 24, 2009·3 cites·20 claims
- 3678US7110217B2Write head design with improved bump to control write saturationHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Sep 19, 2006·12 cites·25 claims
- 3776US8956200B2Wafer grounding design for single pad lappingHGST Netherlands BV·Filed 2012·Granted Feb 17, 2015·3 cites·21 claims
- 3876US7450340B2Head design with overlapping coil for narrow pitch tape headHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Nov 11, 2008·10 cites·18 claims
- 3974US7639453B2Perpendicular magnetic write head with shunt structure to prevent read sensor interferenceHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Dec 29, 2009·2 cites·18 claims
- 4074US7212380B2Magnetic write head with recessed overcoatHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted May 1, 2007·9 cites·9 claims
- 4173US7593186B2P1 write pole with shoulder formationHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Sep 22, 2009·2 cites·12 claims
- 4273US7206154B2Method and apparatus for balanced shield shunts, leads and pads for electrical noise reduction in read headsHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Apr 17, 2007·8 cites·25 claims
- 4372US8035988B2Method and device for repeatable shorting and unshorting of micro-electrical circuitsHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Oct 11, 2011·2 cites·20 claims
- 4472US7187520B2Magnetic head having thermally assisted recording device, and method of fabrication thereofHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Mar 6, 2007·8 cites·16 claims
- 4572US5871655AIntegrated conductor magnetic recording head and suspension having cross-over integrated circuits for noise reductionIBM·Filed 1998·Granted Feb 16, 1999·30 cites·23 claims
- 4672US5867889ADouble self-aligned insulated contiguous junction for flux-guided-MR or yoke-MR head applicationsIBM·Filed 1997·Granted Feb 9, 1999·26 cites·18 claims
- 4771US6909579B2Magnetic head with a vertically laminated back gap structure having magnetic layer thicknesses less than the skin depthHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Jun 21, 2005·8 cites·36 claims
- 4871US6795278B2Method of protecting read sensors from electrostatic discharge damage during the manufacture of magnetic headsIBM·Filed 2002·Granted Sep 21, 2004·9 cites·20 claims
- 4970US9129660B2Transducer resistor shunt structure for low-cost probingHGST Netherlands BV·Filed 2013·Granted Sep 8, 2015·2 cites·20 claims
- 5070US5462636AMethod for chemically scribing wafersIBM·Filed 1993·Granted Oct 31, 1995·54 cites·26 claims
Showing the top 50 of 107 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →