Inventor · disambiguated record
Qixu Chen
Also filed as: CHEN QIXU · CHEN QIXU DAVID
37 granted patents·8 pending applications·507 citations·filing 1996–2017
98Inventor score
Top patents by PatentIndex Score
45 records- 0189US6692619B1Sputtering target and method for making composite soft magnetic filmsSEAGATE TECHNOLOGY LLC·Filed 2002·Granted Feb 17, 2004·30 cites·20 claims
- 0288US7235314B2Inter layers for perpendicular recording mediaSEAGATE TECHNOLOGY LLC·Filed 2004·Granted Jun 26, 2007·23 cites·13 claims
- 0388US6403241B1CoCrPtB medium with a 1010 crystallographic orientationSEAGATE TECHNOLOGY·Filed 2000·Granted Jun 11, 2002·26 cites·15 claims
- 0487US5733370AMethod of manufacturing a bicrystal cluster magnetic recording mediumSEAGATE TECHNOLOGY·Filed 1996·Granted Mar 31, 1998·49 cites·28 claims
- 0583US5879783ALow noise magnetic recording medium and method of manufacturingSEAGATE TECHNOLOGY·Filed 1997·Granted Mar 9, 1999·42 cites·44 claims
- 0678US6010795AMagnetic recording medium comprising a nickel aluminum or iron aluminum underlayer and chromium containing intermediate layer each having (200) dominant crystalographic orientationSEAGATE TECHNOLOGY·Filed 1997·Granted Jan 4, 2000·32 cites·23 claims
- 0775US6562488B1CoCrPtTaNbB alloy for magnetic recording mediumSEAGATE TECHNOLOGY LLC·Filed 2000·Granted May 13, 2003·10 cites·23 claims
- 0874US7247396B2Highly oriented perpendicular magnetic recording mediaSEAGATE TECHNOLOGY LLC·Filed 2004·Granted Jul 24, 2007·10 cites·24 claims
- 0971US8147996B2Perpendicular media with dual soft magnetic layersCHEN QIXU·Filed 2005·Granted Apr 3, 2012·2 cites·24 claims
- 1070US5763071AHigh areal density magnetic recording medium with dual magnetic layersSEAGATE TECHNOLOGY·Filed 1996·Granted Jun 9, 1998·37 cites·32 claims
- 1169US8338005B2Recording layer and multilayered soft underlayerGAO KAIZHONG·Filed 2009·Granted Dec 25, 2012·1 cites·15 claims
- 1269US6641936B1Magnetic media with high Cr content, non-magnetic CoCrPt intermediate layersSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Nov 4, 2003·7 cites·19 claims
- 1369US5866227AMagnetic recording medium with partially oxidized seed layerSEAGATE TECHNOLOGY·Filed 1996·Granted Feb 2, 1999·20 cites·36 claims
- 1468US6908689B1Ruthenium-aluminum underlayer for magnetic recording mediaSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Jun 21, 2005·7 cites·18 claims
- 1567US6596419B1Medium with a seed layer and a B2-structured underlayerSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Jul 22, 2003·21 cites·19 claims
- 1666US6509083B2High coercivity magnetic recording medium comprising a sputter textured layerSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Jan 21, 2003·4 cites·2 claims
- 1766US5830584ABicrystal cluster magnetic recording mediumSEAGATE TECHNOLOGY·Filed 1996·Granted Nov 3, 1998·18 cites·39 claims
- 1865US6472049B2High coercivity magnetic recording medium comprising a sputter textured layerSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Oct 29, 2002·4 cites·6 claims
- 1965US6132863AMagnetic recording medium with grain size control layerSEAGATE TECHNOLOGY LLC·Filed 1998·Granted Oct 17, 2000·17 cites·10 claims
- 2062US7323259B2Multilayer perpendicular media with high-boron or high-carbon additives to CoCr filmsSEAGATE TECHNOLOGY LLC·Filed 2003·Granted Jan 29, 2008·4 cites·16 claims
- 2161US6759149B1Laminated medium with antiferromagnetic stabilization layersSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Jul 6, 2004·17 cites·22 claims
- 2261US6348276B1Magnetic recording media with a surface-oxidized nial sub-seedlayerSEAGATE TECHNOLOGY LLC·Filed 1999·Granted Feb 19, 2002·14 cites·19 claims
- 2358US7041205B2Sputtering target and method for making composite soft magnetic films with a sintered targetSEAGATE TECHNOLOGY LLC·Filed 2003·Granted May 9, 2006·3 cites·18 claims
- 2457US8053096B2Nickel based alloy layer for perpendicular recording mediaSEAGATE TECHNOLOGY LLC·Filed 2008·Granted Nov 8, 2011·0 cites·18 claims
- 2555US6699588B2Medium with a NiNb sealing layerSEAGATE TECHNOLOGY·Filed 2000·Granted Mar 2, 2004·2 cites·13 claims
- 2654US6432562B1Magnetic recording medium with a nialru seedlayerSEAGATE TECHNOLOGY LLC·Filed 1999·Granted Aug 13, 2002·12 cites·18 claims
- 2754US6346339B1Magnetic recording media with a nialox sub-seedlayerSEAGATE TECHNOLOGY LLC·Filed 1999·Granted Feb 12, 2002·10 cites·20 claims
- 2853US6482301B1Target shields for improved magnetic properties of a recording mediumSEAGATE TECHNOLOGY·Filed 1999·Granted Nov 19, 2002·15 cites·13 claims
- 2951US6218028B1High coercivity magnetic recording medium comprising a sputter textured layerSEAGATE TECHNOLOGY LLC·Filed 1997·Granted Apr 17, 2001·7 cites·9 claims
- 3051US6146754ASubstantially isotropic magnetic recording medium comprising a seedlayerSEAGATE TECHNOLOGY·Filed 1998·Granted Nov 14, 2000·13 cites·19 claims
- 3151US6139951AMagnetic recording medium with low temperature seedlayer for high signal-to-noise ratioSEAGATE TECHNOLOGY LLC·Filed 1998·Granted Oct 31, 2000·9 cites·18 claims
- 3251US5895712AMagnetic recording medium with improved coercivitySEAGATE TECHNOLOGY·Filed 1996·Granted Apr 20, 1999·9 cites·46 claims
- 3349US8557408B2Perpendicular media with dual soft magnetic layersCHEN QIXU·Filed 2012·Granted Oct 15, 2013·0 cites·16 claims
- 3448US2008213628A1Perpendicular recording media with Ta transition layer to improve magnetic and corrosion resistance performances and method of manufacturing the sameSEAGATE TECHNOLOGY LLC·Filed 2007·Application pending·0 cites
- 3547US6168861B1High coercivity, high signal-to-noise ratio dual magnetic layer mediaSEAGATE TECHNOLOGY LLC·Filed 1998·Granted Jan 2, 2001·13 cites·19 claims
- 3647US2007237986A1Perpendicular magnetic recording media without soft magnetic underlayer and method of fabricating sameSEAGATE TECHNOLOGY LLC·Filed 2006·Application pending·0 cites
- 3747US2008055777A1Perpendicular magnetic recording media with improved scratch damage performanceSEAGATE TECHNOLOGY LLC·Filed 2006·Application pending·0 cites
- 3846US6242086B1High coercivity, low noise magnetic recording medium comprising an intermediate cocrtaox layerSEAGATE TECHNOLOGY LLC·Filed 1998·Granted Jun 5, 2001·10 cites·19 claims
- 3944US6461750B1Magnetic recording medium with dual magnetic layers and high in-plane coercivitySEAGATE TECHNOLOGY·Filed 1999·Granted Oct 8, 2002·9 cites·7 claims
- 4044US2006286413A1Magnetic caplayers for corrosion improvement of granular perpendicular recording mediaSEAGATE TECHNOLOGY LLC·Filed 2005·Application pending·0 cites
- 4143US2008085427A1Amorphous soft magnetic layers for perpendicular magnetic recording mediaSEAGATE TECHNOLOGY LLC·Filed 2006·Application pending·0 cites
- 4242US2006246323A1Epitaxially grown non-oxide magnetic layers for granular perpendicular magnetic recording media applicationsSEAGATE TECHNOLOGY LLC·Filed 2005·Application pending·0 cites
- 4336US11587719B2Magnetic integrated hybrid distribution transformerUNIV XI AN JIAOTONG·Filed 2017·Granted Feb 21, 2023·0 cites·11 claims
- 4436US2011003175A1Composite perpendicular media with graded anisotropy layers and exchange break layersSEAGATE TECHNOLOGY LLC·Filed 2010·Application pending·0 cites
- 4535US2001033460A1Hardened and lubricated load/unload ramp and method for preparing the sameSEAGATE TECHNOLOGY LLC·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →