Inventor · disambiguated record
Youfeng Zheng
Also filed as: ZHENG YOUFENG
29 granted patents·2 pending applications·263 citations·filing 1999–2022
96Inventor score
Files withHEADWAY TECHNOLOGIES INC19WESTERN DIGITAL TECH INC5SEAGATE TECHNOLOGY LLC3HGST Netherlands BV2TANG LI1
Top patents by PatentIndex Score
31 records- 0197US10861485B1Write heads configured to redirect currentWESTERN DIGITAL TECH INC·Filed 2020·Granted Dec 8, 2020·8 cites·16 claims
- 0296US11557314B1Write heads having conducting side gap for directing currentWESTERN DIGITAL TECH INC·Filed 2019·Granted Jan 17, 2023·22 cites·22 claims
- 0395US10777219B1Write heads configured to redirect currentWESTERN DIGITAL TECH INC·Filed 2019·Granted Sep 15, 2020·16 cites·20 claims
- 0490US8941954B2Magnetic sensor with extended pinned layer and partial wrap around shieldHGST Netherlands BV·Filed 2012·Granted Jan 27, 2015·13 cites·15 claims
- 0590US7675718B2Narrow track CPP head with bias cancellationHEADWAY TECHNOLOGIES INC·Filed 2006·Granted Mar 9, 2010·8 cites·16 claims
- 0686US6391483B1Magnetic device and method of forming sameUNIV CARNEGIE MELLON·Filed 1999·Granted May 21, 2002·80 cites·51 claims
- 0785US7016168B2Method of increasing CPP GMR in a spin valve structureHEADWAY TECHNOLOGIES INC·Filed 2003·Granted Mar 21, 2006·20 cites·25 claims
- 0884US7506430B2Process to manufacture narrow track CPP head with bias cancellationHEADWAY TECHNOLOGIES INC·Filed 2006·Granted Mar 24, 2009·4 cites·10 claims
- 0983US7134184B2Process of manufacturing a narrow track CCP head with bias cancellationHEADWAY TECHNOLOGIES INC·Filed 2003·Granted Nov 14, 2006·12 cites·6 claims
- 1071US11657835B2Magnetic head with assisted magnetic recording comprising an electrically conductive, non-magnetic materialWESTERN DIGITAL TECH INC·Filed 2022·Granted May 23, 2023·0 cites·20 claims
- 1171US9202482B2Magnetic sensor having an extended pinned layer with stitched antiferromagnetic pinning layerHGST Netherlands BV·Filed 2013·Granted Dec 1, 2015·2 cites·11 claims
- 1271US6873501B2CPP spin valve head with bias point controlHEADWAY TECHNOLOGIES INC·Filed 2003·Granted Mar 29, 2005·8 cites·44 claims
- 1370US11615806B2Magnetic head with assisted magnetic recordingWESTERN DIGITAL TECH INC·Filed 2022·Granted Mar 28, 2023·0 cites·19 claims
- 1470US7180716B2Fabrication method for an in-stack stabilized synthetic stitched CPP GMR headHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Feb 20, 2007·14 cites·10 claims
- 1569US7201947B2CPP and MTJ reader design with continuous exchange-coupled free layerHEADWAY TECHNOLOGIES INC·Filed 2002·Granted Apr 10, 2007·7 cites·7 claims
- 1669US6392853B1Spin valve structure design with laminated free layerHEADWAY TECHNOLOGIES INC·Filed 2000·Granted May 21, 2002·13 cites·22 claims
- 1768US8465854B2Perpendicular magnetic recording media with thin soft magnetic underlayers and recording systems comprising sameTANG LI·Filed 2006·Granted Jun 18, 2013·1 cites·20 claims
- 1866US6943994B2Design of canted synthetic pattern exchange spin valve head for improving stability and biasHEADWAY TECHNOLOGIES INC·Filed 2003·Granted Sep 13, 2005·6 cites·15 claims
- 1966US6885527B1Process to manufacture a top spin valveHEADWAY TECHNOLOGIES INC·Filed 2000·Granted Apr 26, 2005·7 cites·2 claims
- 2062US7040005B2Process of making a GMR improvement in CPP spin valve head by inserting a current channeling layer (CCL)HEADWAY TECHNOLOGIES INC·Filed 2003·Granted May 9, 2006·4 cites·6 claims
- 2159US7265947B2Stitching of AFM and channeling layers for in-stack biasing CPPHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Sep 4, 2007·3 cites·30 claims
- 2259US7075758B2Supplementary shield for CPP GMR read headHEADWAY TECHNOLOGIES INC·Filed 2003·Granted Jul 11, 2006·3 cites·28 claims
- 2357US10311907B2Apparatus comprising magnetically soft underlayerSEAGATE TECHNOLOGY LLC·Filed 2014·Granted Jun 4, 2019·0 cites·20 claims
- 2456US7134182B2Method to form an embedded micro-pedestal in a conductive layerHEADWAY TECHNOLOGIES INC·Filed 2003·Granted Nov 14, 2006·6 cites·9 claims
- 2556US6995959B2Integrated spin valve headHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Feb 7, 2006·3 cites·10 claims
- 2654US2007287031A1Thin sul perpendicular magnetic recording media and recording systems comprising sameSEAGATE TECHNOLOGY LLC·Filed 2006·Application pending·0 cites
- 2752US7162791B2Method of manufacturing integrated spin valve headHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Jan 16, 2007·2 cites·4 claims
- 2850US7074456B2Process for manufacturing a bottom spin valve structureHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Jul 11, 2006·0 cites·4 claims
- 2948US7089650B2Method of manufacturing integrated spin valve headHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Aug 15, 2006·1 cites·4 claims
- 3045US7060321B2Process for manufacturing a top spin valveHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Jun 13, 2006·0 cites·4 claims
- 3144US2013280556A1Magnetic recording media with soft magnetic underlayersSEAGATE TECHNOLOGY LLC·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →