Inventor · disambiguated record
David Heim
Also filed as: HEIM DAVID · HEIM DAVID E · HEIM DAVID EUGENE
29 granted patents·4 pending applications·1,488 citations·filing 1985–2025
97Inventor score
Files withIBM15ATRIUM MEDICAL CORP8HITACHI GLOBAL STORAGE TECH6HEIM DAVID EUGENE1MAGIC TECHNOLOGIES INC1
Top patents by PatentIndex Score
33 records- 0198US5583725ASpin valve magnetoresistive sensor with self-pinned laminated layer and magnetic recording system using the sensorIBM·Filed 1994·Granted Dec 10, 1996·297 cites·30 claims
- 0298US5465185AMagnetoresistive spin valve sensor with improved pinned ferromagnetic layer and magnetic recording system using the sensorIBM·Filed 1993·Granted Nov 7, 1995·358 cites·46 claims
- 0397US5422571AMagnetoresistive spin valve sensor having a nonmagnetic back layerIBM·Filed 1993·Granted Jun 6, 1995·147 cites·47 claims
- 0496US5793578AThin film induction recording head having an inset first insulation layer that defines zero throat height and pole tip apex angleIBM·Filed 1996·Granted Aug 11, 1998·110 cites·50 claims
- 0593US5600519AControlled saturation thin film magnetic write headIBM·Filed 1995·Granted Feb 4, 1997·87 cites·6 claims
- 0691US7630177B2Tunnel MR head with closed-edge laminated free layerHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Dec 8, 2009·13 cites·10 claims
- 0790US5901432AMethod for making a thin film inductive write head having a pedestal pole tip and an electroplated gapIBM·Filed 1997·Granted May 11, 1999·66 cites·8 claims
- 0890US5557492AThin film magnetoresistive head with reduced lead-shield shortingIBM·Filed 1995·Granted Sep 17, 1996·65 cites·36 claims
- 0990US5508867AMagnetoresistive sensor with flux keepered spin valve configurationIBM·Filed 1994·Granted Apr 16, 1996·75 cites·9 claims
- 1089US6122144AContoured pole tip structures for minimizing side track erasureIBM·Filed 1997·Granted Sep 19, 2000·58 cites·32 claims
- 1185US8169816B2Fabrication methods of partial cladded write line to enhance write margin for magnetic random access memoryMIN TAI·Filed 2009·Granted May 1, 2012·17 cites·34 claims
- 1285US7652855B2Magnetic sensor with extended free layer and overlaid leadsHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jan 26, 2010·6 cites·17 claims
- 1384US5935644AMethod of making thin film induction recording head having an inset first insulation layer that defines zero throat height and pole tip apex angleIBM·Filed 1998·Granted Aug 10, 1999·37 cites·27 claims
- 1484US5420736AMR read transducer with thermal noise cancellationIBM·Filed 1994·Granted May 30, 1995·34 cites·34 claims
- 1584US5375022AMagnetic disk drive with electrical shorting protectionIBM·Filed 1993·Granted Dec 20, 1994·35 cites·22 claims
- 1683US7472469B2Method for fabricating a magnetic head having a sensor stack and two lateral stackHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jan 6, 2009·5 cites·13 claims
- 1779US4644432AThree pole single element magnetic read/write headIBM·Filed 1985·Granted Feb 17, 1987·23 cites·10 claims
- 1878US12336921B2Stent device having reduced foreshortening and recoil and method of making sameATRIUM MEDICAL CORP·Filed 2023·Granted Jun 24, 2025·0 cites·12 claims
- 1978US2025288437A1Stent device having reduced foreshortening and recoil and method of making sameATRIUM MEDICAL CORP·Filed 2025·Application pending·0 cites
- 2073US5666246AMagnetic storage system with canted hardbias magnetoresistive headIBM·Filed 1995·Granted Sep 9, 1997·22 cites·10 claims
- 2170US8213132B2Magnetic sensor having a physically hard insulation layer over a magnetic bias structureHEIM DAVID EUGENE·Filed 2007·Granted Jul 3, 2012·2 cites·4 claims
- 2270US5638235AMagnetic storage system with canted hardbias magnetoresistive headIBM·Filed 1996·Granted Jun 10, 1997·19 cites·22 claims
- 2366US11865018B2Stent device having reduced foreshortening and recoil and method of making sameATRIUM MEDICAL CORP·Filed 2020·Granted Jan 9, 2024·0 cites·18 claims
- 2465US7344330B2Topographically defined thin film CPP read head fabricationHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Mar 18, 2008·4 cites·16 claims
- 2562US10271975B2Stent device having reduced foreshortening and recoil and method of making sameATRIUM MEDICAL CORP·Filed 2013·Granted Apr 30, 2019·2 cites·22 claims
- 2660US7885094B2MRAM with cross-tie magnetization configurationMAGIC TECHNOLOGIES INC·Filed 2008·Granted Feb 8, 2011·4 cites·22 claims
- 2758US10842656B2Stent device having reduced foreshortening and recoil and method of making sameATRIUM MEDICAL CORP·Filed 2019·Granted Nov 24, 2020·0 cites·20 claims
- 2857US12490983B2Endovascular fixation deviceATRIUM MEDICAL CORP·Filed 2020·Granted Dec 9, 2025·0 cites·22 claims
- 2952US2022110773A1Stent device including a flarable crownATRIUM MEDICAL CORP·Filed 2021·Application pending·0 cites
- 3051US7268981B2Spin valve sensor having antiferromagnetic (AFM) pinning layer structures formed in the end regionsHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Sep 11, 2007·1 cites·16 claims
- 3151US2023350236A1Compact piezoelectric photonic crystal modulatorMITRE CORP·Filed 2023·Application pending·0 cites
- 3246US2020405515A1Stent device including a flarable crownATRIUM MEDICAL CORP·Filed 2020·Application pending·0 cites
- 3342US7019950B2Magnetoresistive sensor having bias magnets with steep endwallsHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Mar 28, 2006·1 cites·14 claims
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