Inventor · disambiguated record
Yun-Fei Li
Also filed as: LI YUN · LI YUN-FEI
39 granted patents·2 pending applications·2,724 citations·filing 2001–2017
98Inventor score
Top patents by PatentIndex Score
41 records- 0199US8797680B1Perpendicular magnetic recording head having reduced shield notchingLUO GUANGHONG·Filed 2012·Granted Aug 5, 2014·134 cites·4 claims
- 0299US8146236B1Method for providing a perpendicular magnetic recording (PMR) transducerLUO GUANGHONG·Filed 2008·Granted Apr 3, 2012·155 cites·20 claims
- 0399US7819979B1Method and system for cleaning magnetic artifacts using a carbonyl reactive ion etchWESTERN DIGITAL FREMONT LLC·Filed 2005·Granted Oct 26, 2010·154 cites·30 claims
- 0498US8444866B1Method and system for providing a perpendicular magnetic recording pole with a multi-layer side gapGUAN LIJIE·Filed 2010·Granted May 21, 2013·153 cites·21 claims
- 0598US8375564B1Method for fabricating a pole of a magnetic transducerWESTERN DIGITAL FREMONT LLC·Filed 2009·Granted Feb 19, 2013·157 cites·19 claims
- 0698US8231796B1Method and system for providing a magnetic recording transducer having side shieldsLI YUN-FEI·Filed 2008·Granted Jul 31, 2012·166 cites·17 claims
- 0798US8225488B1Method for providing a perpendicular magnetic recording (PMR) poleZHANG JINQIU·Filed 2009·Granted Jul 24, 2012·160 cites·17 claims
- 0898US8151441B1Method for providing and utilizing an electronic lapping guide in a magnetic recording transducerRUDY STEVEN C·Filed 2008·Granted Apr 10, 2012·167 cites·9 claims
- 0997US8780498B1System for providing a perpendicular magnetic recording transducer using a split seed layerWESTERN DIGITAL FREMONT LLC·Filed 2012·Granted Jul 15, 2014·137 cites·7 claims
- 1097US8486285B2Damascene write poles produced via full film platingZHOU RONGHUI·Filed 2009·Granted Jul 16, 2013·150 cites·18 claims
- 1197US8458892B2Method for providing a perpendicular magnetic recording transducer using a low energy millSI WEIMIN·Filed 2010·Granted Jun 11, 2013·148 cites·15 claims
- 1297US8454846B1Method and system for providing a full wrap-around shield using a frame configured wet etch in a damascene processZHOU RONGHUI·Filed 2010·Granted Jun 4, 2013·153 cites·16 claims
- 1397US8341826B1Method for fabricating a magnetic recording transducer using a split seed layerWESTERN DIGITAL FREMONT LLC·Filed 2010·Granted Jan 1, 2013·158 cites·13 claims
- 1497US8262918B1Methods of producing damascene main pole for perpendicular magnetic recording headLI YUN-FEI·Filed 2009·Granted Sep 11, 2012·153 cites·22 claims
- 1597US8257597B1Double rie damascene process for nose length controlGUAN LIJIE·Filed 2010·Granted Sep 4, 2012·147 cites·15 claims
- 1697US7389577B1Method to fabricate an ESD resistant tunneling magnetoresistive read transducerWESTERN DIGITAL FREMONT LLC·Filed 2007·Granted Jun 24, 2008·156 cites·15 claims
- 1796US8320077B1Method and system for providing a high moment filmTANG YUNJUN·Filed 2008·Granted Nov 27, 2012·152 cites·21 claims
- 1890US6857180B2Method for fabricating a patterned synthetic longitudinal exchange biased GMR sensorHEADWAY TECHNOLOGIES INC·Filed 2002·Granted Feb 22, 2005·33 cites·11 claims
- 1987US9153260B1Electronic lapping guide in a magnetic recording transducerRUDY STEVEN C·Filed 2012·Granted Oct 6, 2015·9 cites·9 claims
- 2080US7688555B2Hard bias design for extra high density recordingHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Mar 30, 2010·11 cites·35 claims
- 2180US6842969B2Process for manufacturing a magnetic read headHEADWAY TECHNOLOGIES INC·Filed 2002·Granted Jan 18, 2005·12 cites·6 claims
- 2276US9196270B1Method for providing a magnetoresistive element having small critical dimensionsYANG DANNING·Filed 2006·Granted Nov 24, 2015·5 cites·12 claims
- 2376US8107201B2Hard bias design for extra high density recordingZHANG KUNLIANG·Filed 2010·Granted Jan 31, 2012·3 cites·8 claims
- 2476US6870711B1Double layer spacer for antiparallel pinned layer in CIP/CPP GMR and MTJ devicesHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Mar 22, 2005·17 cites·10 claims
- 2575US7336452B2Patterned exchange bias GMR using metallic buffer layerHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Feb 26, 2008·2 cites·8 claims
- 2675US7099125B2Easily manufactured exchange bias stabilization schemeHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Aug 29, 2006·2 cites·22 claims
- 2769US7400475B2Patterned, synthetic longitudinally exchange biased GMR sensorHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Jul 15, 2008·4 cites·6 claims
- 2869US7035060B2Easily manufactured exchange bias stabilization schemeHEADWAY TECHNOLOGIES INC·Filed 2002·Granted Apr 25, 2006·6 cites·17 claims
- 2967US6844999B2Boron doped CoFe for GMR free layerHEADWAY TECHNOLOGIES INC·Filed 2002·Granted Jan 18, 2005·6 cites·28 claims
- 3064US7134186B2Method for fabricating a patterned, synthetic transversely exchanged biased GMR sensorHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Nov 14, 2006·3 cites·7 claims
- 3159US7327540B2Hard biased materials for recording head applicationsHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Feb 5, 2008·3 cites·24 claims
- 3257US7529067B2Exchange bias structure for abutted junction GMR sensorHEADWAY TECHNOLOGIES INC·Filed 2006·Granted May 5, 2009·0 cites·15 claims
- 3357US7431961B2Composite free layer for CIP GMR deviceHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Oct 7, 2008·4 cites·16 claims
- 3456US7022383B2Exchange bias structure for abutted junction GMR sensorHEADWAY TECHNOLOGIES INC·Filed 2002·Granted Apr 4, 2006·2 cites·16 claims
- 3553US7152304B2Method for fabricating a patterned, synthetic transverse exchange biased GMR sensorHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Dec 26, 2006·1 cites·16 claims
- 3652US9202480B2Double patterning hard mask for damascene perpendicular magnetic recording (PMR) writerXIANG XIAOHAI·Filed 2009·Granted Dec 1, 2015·0 cites·7 claims
- 3746US9099118B1Dual damascene process for producing a PMR write poleZHOU RONGHUI·Filed 2009·Granted Aug 4, 2015·0 cites·10 claims
- 3846US7320169B2Self-pinned GMR structure by annealingHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Jan 22, 2008·1 cites·20 claims
- 3939US10332839B2Interconnect structure and fabricating method thereofUNITED MICROELECTRONICS CORP·Filed 2017·Granted Jun 25, 2019·0 cites·18 claims
- 4039US2003072970A1Layered structure for magnetic recording headsHEADWAY TECHNOLOGIES INC·Filed 2001·Application pending·0 cites
- 4133US2007155025A1Nanowire structures and devices for use in large-area electronics and methods of making the sameZHANG ANPING·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →