Inventor · disambiguated record
Rongfu Xiao
Also filed as: XIAO RONGFU
58 granted patents·10 pending applications·1,687 citations·filing 1998–2024
99Inventor score
Files withGUO YIMIN18WESTERN DIGITAL FREMONT LLC16XIAO RONGFU12HEADWAY TECHNOLOGIES INC6MAGIC TECHNOLOGIES INC6
Top patents by PatentIndex Score
68 records- 0199US11088200B1Lattice matched seed layer to improve PMA for perpendicular magnetic pinningXIAO RONGFU·Filed 2020·Granted Aug 10, 2021·14 cites·20 claims
- 0299US9362490B1Method of patterning MTJ cell without sidewall damageXIAO RONGFU·Filed 2015·Granted Jun 7, 2016·46 cites·14 claims
- 0399US8797692B1Magnetic recording sensor with AFM exchange coupled shield stabilizationGUO YIMIN·Filed 2012·Granted Aug 5, 2014·166 cites·13 claims
- 0499US8780505B1Method and system for providing a read transducer having an improved composite magnetic shieldWESTERN DIGITAL FREMONT LLC·Filed 2013·Granted Jul 15, 2014·157 cites·23 claims
- 0599US8531801B1Method and system for providing a read transducer having a composite magnetic shield with smooth interfacesWESTERN DIGITAL FREMONT LLC·Filed 2012·Granted Sep 10, 2013·186 cites·19 claims
- 0698US11251367B2Composite multi-stack seed layer to improve PMA for perpendicular magnetic pinningGUO YIMIN·Filed 2020·Granted Feb 15, 2022·4 cites·20 claims
- 0798US8711528B1Tunnel magnetoresistance read head with narrow shield-to-shield spacingXIAO RONGFU·Filed 2012·Granted Apr 29, 2014·174 cites·7 claims
- 0898US8611055B1Magnetic etch-stop layer for magnetoresistive read headsPAKALA MAHENDRA·Filed 2009·Granted Dec 17, 2013·167 cites·11 claims
- 0998US7936027B2Method of MRAM fabrication with zero electrical shortingMAGIC TECHNOLOGIES INC·Filed 2008·Granted May 3, 2011·79 cites·19 claims
- 1097US11854589B2STT-SOT hybrid magnetoresistive element and manufacture thereofGUO YIMIN·Filed 2021·Granted Dec 26, 2023·4 cites·20 claims
- 1197US9431031B1System and method for magnetic transducers having multiple sensors and AFC shieldsWESTERN DIGITAL (FREMONT) LLC·Filed 2015·Granted Aug 30, 2016·31 cites·15 claims
- 1297US7696551B2Composite hard mask for the etching of nanometer size magnetic multilayer based deviceMAGIC TECHNOLOGIES INC·Filed 2007·Granted Apr 13, 2010·74 cites·21 claims
- 1397US6466418B1Bottom spin valves with continuous spacer exchange (or hard) biasHEADWAY TECHNOLOGIES INC·Filed 2000·Granted Oct 15, 2002·114 cites·37 claims
- 1495US8722543B2Composite hard mask with upper sacrificial dielectric layer for the patterning and etching of nanometer size MRAM devicesBELEN RODOLFO·Filed 2010·Granted May 13, 2014·79 cites·20 claims
- 1595US8324698B2High density spin-transfer torque MRAM processZHONG TOM·Filed 2011·Granted Dec 4, 2012·30 cites·3 claims
- 1694US11081154B1Synthetic magnetic pinning element having strong antiferromagnetic couplingXIAO RONGFU·Filed 2020·Granted Aug 3, 2021·3 cites·17 claims
- 1794US8183061B2High density spin-transfer torque MRAM processZHONG TOM·Filed 2011·Granted May 22, 2012·21 cites·11 claims
- 1894US6322640B1Multiple thermal annealing method for forming antiferromagnetic exchange biased magnetoresistive (MR) sensor elementHEADWAY TECHNOLOGIES INC·Filed 2000·Granted Nov 27, 2001·59 cites·17 claims
- 1993US11450466B2Composite seed structure to improve PMA for perpendicular magnetic pinningGUO YIMIN·Filed 2020·Granted Sep 20, 2022·2 cites·20 claims
- 2093US7884433B2High density spin-transfer torque MRAM processMAGIC TECHNOLOGIES INC·Filed 2008·Granted Feb 8, 2011·25 cites·9 claims
- 2191US9214172B2Method of manufacturing a magnetic read headWESTERN DIGITAL FREMONT LLC·Filed 2014·Granted Dec 15, 2015·11 cites·12 claims
- 2291US9065043B1Tunnel magnetoresistance read head with narrow shield-to-shield spacingWESTERN DIGITAL FREMONT LLC·Filed 2014·Granted Jun 23, 2015·10 cites·6 claims
- 2391US8133745B2Method of magnetic tunneling layer processes for spin-transfer torque MRAMZHONG TOM·Filed 2007·Granted Mar 13, 2012·23 cites·24 claims
- 2489US9666214B1Free layer magnetic reader that may have a reduced shield-to-shield spacingWESTERN DIGITAL (FREMONT) LLC·Filed 2015·Granted May 30, 2017·9 cites·21 claims
- 2587US11910721B2Perpendicular MTJ element having a cube-textured reference layer and methods of making the sameGUO YIMIN·Filed 2021·Granted Feb 20, 2024·1 cites·20 claims
- 2687US10074387B1Method and system for providing a read transducer having symmetric antiferromagnetically coupled shieldsWESTERN DIGITAL FREMONT LLC·Filed 2014·Granted Sep 11, 2018·10 cites·15 claims
- 2785US9064507B1Magnetic etch-stop layer for magnetoresistive read headsWESTERN DIGITAL FREMONT LLC·Filed 2013·Granted Jun 23, 2015·5 cites·12 claims
- 2885US7713755B1Field angle sensor fabricated using reactive ion etchingMAGIC TECHNOLOGIES INC·Filed 2008·Granted May 11, 2010·15 cites·10 claims
- 2984US9412400B2Tunnel magnetoresistance read head with narrow shield-to-shield spacingWESTERN DIGITAL (FREMONT) LLC·Filed 2015·Granted Aug 9, 2016·5 cites·6 claims
- 3084US8969982B2Bottom electrode for MRAM deviceXIAO RONGFU·Filed 2010·Granted Mar 3, 2015·4 cites·7 claims
- 3183US9786301B1Apparatuses and methods for providing thin shields in a multiple sensor arrayWESTERN DIGITAL (FREMONT) LLC·Filed 2014·Granted Oct 10, 2017·6 cites·28 claims
- 3281US9437811B2Method for making a magnetic random access memory element with small dimension and high qualityXIAO RONGFU·Filed 2014·Granted Sep 6, 2016·3 cites·10 claims
- 3381US9230565B1Magnetic shield for magnetic recording headWESTERN DIGITAL FREMONT LLC·Filed 2014·Granted Jan 5, 2016·4 cites·3 claims
- 3481US6358635B1Magnetic recording sensor with stabilizing shieldHEADWAY TECHNOLOGIES INC·Filed 1999·Granted Mar 19, 2002·33 cites·28 claims
- 3581US6129957AMethod of forming a second antiferromagnetic exchange-coupling layer for magnetoresistive (MR) and giant MR (GMR) applicationsHEADWAY TECHNOLOGIES INC·Filed 1999·Granted Oct 10, 2000·37 cites·34 claims
- 3678US7804706B2Bottom electrode mask design for ultra-thin interlayer dielectric approach in MRAM device fabricationMAGIC TECHNOLOGIES INC·Filed 2008·Granted Sep 28, 2010·7 cites·20 claims
- 3777US8273666B2Process to fabricate bottom electrode for MRAM deviceXIAO RONGFU·Filed 2010·Granted Sep 25, 2012·3 cites·9 claims
- 3872US6795245B2Polarization independent magnetooptic switchesFiled 2001·Granted Sep 21, 2004·13 cites·12 claims
- 3969US6291087B1Magnetoresistive (MR) sensor element with enhanced resistivity sensitivity and enhanced magnetic exchange biasHEADWAY TECHNOLOGIES INC·Filed 1999·Granted Sep 18, 2001·21 cites·15 claims
- 4068US7838436B2Bottom electrode for MRAM device and method to fabricate itMAGIC TECHNOLOGIES INC·Filed 2006·Granted Nov 23, 2010·3 cites·7 claims
- 4165US10115419B2Method for AFC shields for multiple sensor magnetic transducers and magnetic transducers having multiple sensors and AFC shieldsWESTERN DIGITAL FREMONT LLC·Filed 2017·Granted Oct 30, 2018·1 cites·18 claims
- 4265US9431047B1Method for providing an improved AFM reader shieldWESTERN DIGITAL (FREMONT) LLC·Filed 2013·Granted Aug 30, 2016·1 cites·21 claims
- 4363US9754613B2Method for AFC shields for multiple sensor magnetic transducers and magnetic transducers having multiple sensors and AFC shieldsWESTERN DIGITAL (FREMONT) LLC·Filed 2016·Granted Sep 5, 2017·1 cites·7 claims
- 4462US9830936B2Magnetic read head with antiferromagentic layerWESTERN DIGITAL (FREMONT) LLC·Filed 2015·Granted Nov 28, 2017·1 cites·4 claims
- 4557US11545290B2Magnetoresistive element having a giant interfacial perpendicular magnetic anisotropyGUO YIMIN·Filed 2020·Granted Jan 3, 2023·0 cites·20 claims
- 4656US2005221262A1Human memory retention and its application to language learningXIAO RONGFU·Filed 2005·Application pending·0 cites
- 4755US11450467B2Magnetoresistive element having a giant interfacial perpendicular magnetic anisotropy and method of making the sameGUO YIMIN·Filed 2020·Granted Sep 20, 2022·0 cites·20 claims
- 4855US11094877B2Method for making MRAM with small dimension and high qulityXIAO RONGFU·Filed 2016·Granted Aug 17, 2021·0 cites·19 claims
- 4952US11600660B2Bottom-pinned magnetic random access memory having a composite SOT structureXIAO RONGFU·Filed 2020·Granted Mar 7, 2023·0 cites·20 claims
- 5052US2025322860A1Novel spin-orbit torque magnetic-ram having spin diffusion barrier layersGUO YIMIN·Filed 2024·Application pending·0 cites
Showing the top 50 of 68 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Rongfu Xiao files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →