Inventor · disambiguated record
Samuel W. Yuan
Also filed as: YUAN SAMUEL · YUAN SAMUEL W · YUAN SAMUEL WEI-SAN
33 granted patents·1 pending application·1,474 citations·filing 1995–2022
98Inventor score
Files withREAD RITE CORP14HITACHI GLOBAL STORAGE TECH10WESTERN DIGITAL FREMONT LLC3GOOGLE LLC2GUTHRIE HUNG-CHIN1
Top patents by PatentIndex Score
34 records- 0198US6459552B1Thin film read head with coplanar pole tipsFiled 2000·Granted Oct 1, 2002·155 cites·5 claims
- 0298US6219205B1High density giant magnetoresistive transducer with recessed sensorREAD RITE CORP·Filed 1995·Granted Apr 17, 2001·204 cites·6 claims
- 0397US6073338AThin film read head with coplanar pole tipsREAD RITE CORP·Filed 1997·Granted Jun 13, 2000·161 cites·4 claims
- 0496US7133241B2Method and apparatus for optimizing record quality with varying track and linear density by allowing overlapping data tracksHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Nov 7, 2006·35 cites·9 claims
- 0596US6392850B1Magnetoresistive transducer having a common magnetic bias using assertive and complementary signalsREAD RITE CORP·Filed 1998·Granted May 21, 2002·155 cites·15 claims
- 0694US7330336B2Dual polarity bias for prolonging the life of a heating element in magnetic data storage devicesHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Feb 12, 2008·18 cites·16 claims
- 0794US5739987AMagnetoresistive read transducers with multiple longitudinal stabilization layersREAD RITE CORP·Filed 1996·Granted Apr 14, 1998·98 cites·8 claims
- 0893US5739990ASpin-valve GMR sensor with inbound exchange stabilizationREAD RITE CORP·Filed 1996·Granted Apr 14, 1998·83 cites·17 claims
- 0993US5726841AThin film magnetic head with trimmed pole tips etched by focused ion beam for undershoot reductionREAD RITE CORP·Filed 1996·Granted Mar 10, 1998·104 cites·15 claims
- 1091US9082423B1Magnetic recording write transducer having an improved trailing surface profileWESTERN DIGITAL FREMONT LLC·Filed 2014·Granted Jul 14, 2015·14 cites·21 claims
- 1191US6804879B2Method of fabricating a magnetic transducer with a write head having a multi-layer coilHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Oct 19, 2004·32 cites·8 claims
- 1290US7079355B2Magnetic transducer with a write head having a multi-layer coilHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Jul 18, 2006·24 cites·15 claims
- 1389US8947985B1Heat assisted magnetic recording transducers having a recessed poleWESTERN DIGITAL FREMONT LLC·Filed 2013·Granted Feb 3, 2015·10 cites·26 claims
- 1488US6687083B2Enhanced low profile magnet write headHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted Feb 3, 2004·26 cites·18 claims
- 1588US5705973ABias-free symmetric dual spin valve giant magnetoresistance transducerREAD RITE CORP·Filed 1996·Granted Jan 6, 1998·71 cites·7 claims
- 1686US11558193B2Location-based access to controlled access resourcesGOOGLE LLC·Filed 2018·Granted Jan 17, 2023·4 cites·22 claims
- 1786US5818685ACIP GMR sensor coupled to biasing magnet with spacer therebetweenREAD RITE CORP·Filed 1997·Granted Oct 6, 1998·52 cites·4 claims
- 1884US5883763ARead/write head having a GMR sensor biased by permanent magnets located between the GMR and the pole shieldsREAD RITE CORP·Filed 1997·Granted Mar 16, 1999·41 cites·13 claims
- 1984US5731937AGiant magnetoresistive transducer with increased output signalREAD RITE CORP·Filed 1997·Granted Mar 24, 1998·55 cites·5 claims
- 2083US9142233B1Heat assisted magnetic recording writer having a recessed poleWESTERN DIGITAL FREMONT LLC·Filed 2014·Granted Sep 22, 2015·6 cites·28 claims
- 2183US7525760B2Laminated write gap to improve writer performanceHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Apr 28, 2009·5 cites·11 claims
- 2283US5859754AMagnetoresistive transducer having a common magnetic bias using assertive and complementary signalsREAD RITE CORP·Filed 1997·Granted Jan 12, 1999·47 cites·9 claims
- 2378US5657191AStabilization of giant magnetoresistive transducersREAD RITE CORP·Filed 1995·Granted Aug 12, 1997·32 cites·5 claims
- 2469US7500302B2Process for fabricating a magnetic recording head with a laminated write gapHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Mar 10, 2009·1 cites·4 claims
- 2567US12375280B2Location-based access to controlled access resourcesGOOGLE LLC·Filed 2022·Granted Jul 29, 2025·0 cites·16 claims
- 2667US5923505AMagnetoresistive sensor having a pinned soft magnetic layerREAD RITE CORP·Filed 1997·Granted Jul 13, 1999·22 cites·25 claims
- 2757US7085100B2Magnetic head having a bilayer pole tipHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Aug 1, 2006·3 cites·16 claims
- 2857US7035047B2Magnetic recording heads having thin thermally conductive undercoatingIBM·Filed 2002·Granted Apr 25, 2006·3 cites·14 claims
- 2955US6859347B2Magnetic transducer with electrically conductive shield for reducing electromagnetic interferenceHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted Feb 22, 2005·3 cites·16 claims
- 3051US5748413AMagnetoresistive reas transducer with exchange biasing of magnetoresistive sensor and soft adjacent layerREAD RITE CORP·Filed 1996·Granted May 5, 1998·9 cites·6 claims
- 3150US7870659B2Method for defining a perpendicular magnetic headHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Jan 18, 2011·0 cites·9 claims
- 3247US7692893B2Side-by-side magnetic head configuration with flared pole tip layer and read sensor sharing same planeHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Apr 6, 2010·1 cites·6 claims
- 3340US2006098337A1Tungsten heat sink structures in a thin film magnetic headGUTHRIE HUNG-CHIN·Filed 2004·Application pending·0 cites
- 3434US8276257B2Method for making coplanar write head pole tipsLAM TERENCE TIN-LOK·Filed 2004·Granted Oct 2, 2012·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →