Assignee
HEADWAY TECHNOLOGIES INC
US·580 granted patents·24 pending applications·8,533 citations·filing 1996–2019
Top patents by PatentIndex Score
604 records- 0199US8987849B2Co/Ni multilayers with improved out-of-plane anisotropy for magnetic device applicationsHEADWAY TECHNOLOGIES INC·Filed 2014·Granted Mar 24, 2015·35 cites·6 claims
- 0299US6773515B2FeTa nano-oxide layer as a capping layer for enhancement of giant magnetoresistance in bottom spin valve structuresHEADWAY TECHNOLOGIES INC·Filed 2002·Granted Aug 10, 2004·120 cites·11 claims
- 0398US9373780B2Co/X and CoX multilayers with improved out-of-plane anisotropy for magnetic device applicationsHEADWAY TECHNOLOGIES INC·Filed 2013·Granted Jun 21, 2016·19 cites·7 claims
- 0498US9361912B1High moment side shield design for area density improvement of perpendicular magnetic recording (PMR) writerHEADWAY TECHNOLOGIES INC·Filed 2015·Granted Jun 7, 2016·89 cites·10 claims
- 0598US9299367B1Perpendicular magnetic recording (PMR) writer with minimized internal flux shuntingHEADWAY TECHNOLOGIES INC·Filed 2015·Granted Mar 29, 2016·66 cites·31 claims
- 0698US9230571B1MgO based perpendicular spin polarizer in microwave assisted magnetic recording (MAMR) applicationsHEADWAY TECHNOLOGIES INC·Filed 2014·Granted Jan 5, 2016·180 cites·17 claims
- 0798US8981505B2Mg discontinuous insertion layer for improving MTJ shuntHEADWAY TECHNOLOGIES INC·Filed 2013·Granted Mar 17, 2015·48 cites·17 claims
- 0898US7863095B2Method of manufacturing layered chip packageHEADWAY TECHNOLOGIES INC·Filed 2010·Granted Jan 4, 2011·233 cites·12 claims
- 0998US7698941B2Sensing unit and method of making sameHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Apr 20, 2010·76 cites·7 claims
- 1098US7476919B2MRAM cell structure and method of fabricationHEADWAY TECHNOLOGIES INC·Filed 2006·Granted Jan 13, 2009·102 cites·12 claims
- 1198US7335960B2MRAM cell with flat topography and controlled bit line to free layer distance and method of manufactureHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Feb 26, 2008·100 cites·9 claims
- 1298US6884148B1Independently controlled read and write head stripe height parameters in slider back end processHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Apr 26, 2005·93 cites·39 claims
- 1397US8787129B1Polarization rotator for thermally assisted magnetic recordingHEADWAY TECHNOLOGIES INC·Filed 2013·Granted Jul 22, 2014·39 cites·25 claims
- 1497US8772051B1Fabrication method for embedded magnetic memoryHEADWAY TECHNOLOGIES INC·Filed 2013·Granted Jul 8, 2014·41 cites·17 claims
- 1597US7872835B2Optimized write pole flare angle for side shield or semi side shield PMR writer applicationHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Jan 18, 2011·40 cites·8 claims
- 1697US7602033B2Low resistance tunneling magnetoresistive sensor with composite inner pinned layerHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Oct 13, 2009·82 cites·20 claims
- 1797US7477491B2GMR device having an improved free layerHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Jan 13, 2009·42 cites·13 claims
- 1897US7449345B2Capping structure for enhancing dR/R of the MTJ deviceHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Nov 11, 2008·144 cites·15 claims
- 1997US7375925B2Magnetic head for perpendicular magnetic recording and method of manufacturing sameHEADWAY TECHNOLOGIES INC·Filed 2005·Granted May 20, 2008·40 cites·29 claims
- 2097US7283337B2Abutted exchange bias design for sensor stabilizationHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Oct 16, 2007·44 cites·20 claims
- 2197US7262941B2FeTa nano-oxide layer as a capping layer for enhancement of giant magnetoresistance in bottom spin valve structuresHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Aug 28, 2007·108 cites·22 claims
- 2297US7105372B2Magnetic tunneling junction film structure with process determined in-plane magnetic anisotropyHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Sep 12, 2006·65 cites·14 claims
- 2397US6466418B1Bottom spin valves with continuous spacer exchange (or hard) biasHEADWAY TECHNOLOGIES INC·Filed 2000·Granted Oct 15, 2002·114 cites·37 claims
- 2496US8035930B2Perpendicular magnetic recording write head with a side shieldHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Oct 11, 2011·37 cites·9 claims
- 2596US7995425B2Power control of TAMR element during read/write transitionHEADWAY TECHNOLOGIES INC·Filed 2009·Granted Aug 9, 2011·30 cites·4 claims
- 2696US7924528B2Magnetic head for perpendicular magnetic recording and method of manufacturing sameHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Apr 12, 2011·34 cites·33 claims
- 2796US7911883B2Near-field light generating element having two different anglesHEADWAY TECHNOLOGIES INC·Filed 2009·Granted Mar 22, 2011·28 cites·16 claims
- 2896US7898773B2Perpendicular magnetic recording head with a side write shieldHEADWAY TECHNOLOGIES INC·Filed 2006·Granted Mar 1, 2011·26 cites·7 claims
- 2996US7804666B2Composite shield structure of PMR writer for high track densityHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Sep 28, 2010·27 cites·20 claims
- 3096US7518824B2Magnetic head for perpendicular magnetic recording that has a pole layer having a shape for easy forming, reducing track width and improved writing characteristicsHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Apr 14, 2009·29 cites·17 claims
- 3196US7476954B2TMR device with Hf based seed layerHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Jan 13, 2009·36 cites·20 claims
- 3296US7390529B2Free layer for CPP GMR having iron rich NiFeHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Jun 24, 2008·67 cites·19 claims
- 3396US7331100B2Process of manufacturing a seed/AFM combination for a CPP GMR deviceHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Feb 19, 2008·57 cites·17 claims
- 3496US7322095B2Process of manufacturing a four-sided shield structure for a perpendicular write headHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Jan 29, 2008·73 cites·15 claims
- 3596US6998150B2Method of adjusting CoFe free layer magnetostrictionHEADWAY TECHNOLOGIES INC·Filed 2003·Granted Feb 14, 2006·84 cites·17 claims
- 3695US9147833B2Hybridized oxide capping layer for perpendicular magnetic anisotropyHEADWAY TECHNOLOGIES INC·Filed 2013·Granted Sep 29, 2015·18 cites·24 claims
- 3795US9019803B1Laminated plasmon generator with cavity processHEADWAY TECHNOLOGIES INC·Filed 2014·Granted Apr 28, 2015·25 cites·54 claims
- 3895US8933542B2Method to reduce magnetic film stress for better yieldHEADWAY TECHNOLOGIES INC·Filed 2014·Granted Jan 13, 2015·12 cites·6 claims
- 3995US8824106B1Two sensor reader for hard disk drive (HDD)HEADWAY TECHNOLOGIES INC·Filed 2013·Granted Sep 2, 2014·39 cites·27 claims
- 4095US8031433B2Method to make an integrated side shield PMR head with non conformal side gapHEADWAY TECHNOLOGIES INC·Filed 2008·Granted Oct 4, 2011·25 cites·20 claims
- 4195US8031441B2CPP device with an enhanced dR/R ratioHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Oct 4, 2011·19 cites·11 claims
- 4295US7979978B2Method for manufacturing a self-aligned full side shield PMRHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Jul 19, 2011·23 cites·12 claims
- 4395US7978431B2Method to make a perpendicular magnetic recording head with a bottom side shieldHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Jul 12, 2011·20 cites·16 claims
- 4495US7333306B2Magnetoresistive spin valve sensor with tri-layer free layerHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Feb 19, 2008·40 cites·34 claims
- 4595US7042682B2Fully shielded perpendicular recoding writerHEADWAY TECHNOLOGIES INC·Filed 2003·Granted May 9, 2006·56 cites·32 claims
- 4695US6292336B1Giant magnetoresistive (GMR) sensor element with enhanced magnetoresistive (MR) coefficientHEADWAY TECHNOLOGIES INC·Filed 1999·Granted Sep 18, 2001·116 cites·20 claims
- 4794US9082960B2Fully compensated synthetic antiferromagnet for spintronics applicationsHEADWAY TECHNOLOGIES INC·Filed 2013·Granted Jul 14, 2015·13 cites·25 claims
- 4894US8036069B1Plasmon shield to shape and reduce optical spotHEADWAY TECHNOLOGIES INC·Filed 2010·Granted Oct 11, 2011·34 cites·31 claims
- 4994US8004794B2Perpendicular magnetic recording head laminated with AFM-FM phase change materialHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Aug 23, 2011·30 cites·9 claims
- 5094US7978439B2TMR or CPP structure with improved exchange propertiesHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Jul 12, 2011·15 cites·12 claims
Showing the top 50 of 604 patent records by PatentIndex Score.
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