Inventor · disambiguated record
Hongping Yuan
Also filed as: YUAN HONGPING
24 granted patents·7 pending applications·3,198 citations·filing 2003–2024
98Inventor score
Top patents by PatentIndex Score
31 records- 0198US8649123B1Method to eliminate reactive ion etching (RIE) loading effects for damascene perpendicular magnetic recording (PMR) fabricationZHANG JINQIU·Filed 2008·Granted Feb 11, 2014·147 cites·16 claims
- 0298US8334093B2Method and system for providing a perpendicular magnetic recording headZHANG JINQIU·Filed 2008·Granted Dec 18, 2012·150 cites·16 claims
- 0398US8310785B1Perpendicular magnetic recording headZHANG JINQIU·Filed 2012·Granted Nov 13, 2012·147 cites·8 claims
- 0498US8284517B1Perpendicular magnetic recording headSUN HAI·Filed 2012·Granted Oct 9, 2012·148 cites·6 claims
- 0598US8136224B1Method and system for providing a perpendicular magnetic recording head utilizing a mask having an undercut lineSUN HAI·Filed 2008·Granted Mar 20, 2012·151 cites·16 claims
- 0698US8136225B1Method and system for providing a perpendicular magnetic recording headZHANG JINQIU·Filed 2008·Granted Mar 20, 2012·153 cites·14 claims
- 0798US8081403B1Magnetic element having a smaller critical dimension of the free layerCHEN BENJAMIN·Filed 2008·Granted Dec 20, 2011·149 cites·11 claims
- 0898US7910267B1Method and system for providing optical proximity correction for structures such as a PMR noseWESTERN DIGITAL FREMONT LLC·Filed 2008·Granted Mar 22, 2011·154 cites·26 claims
- 0998US7846643B1Method and system for providing a structure in a microelectronic device using a chromeless alternating phase shift maskWESTERN DIGITAL FREMONT LLC·Filed 2007·Granted Dec 7, 2010·148 cites·12 claims
- 1098US7829264B1Method and system for providing a microelectronic device using a plurality of focus distancesWESTERN DIGITAL FREMONT LLC·Filed 2007·Granted Nov 9, 2010·150 cites·23 claims
- 1198US7785666B1Methods for fabricating a magnetic recording deviceWESTERN DIGITAL FREMONT LLC·Filed 2007·Granted Aug 31, 2010·153 cites·20 claims
- 1298US7736823B1Method and system for providing optical proximity correction for structures such as a PMR noseWESTERN DIGITAL FREMONT LLC·Filed 2007·Granted Jun 15, 2010·154 cites·19 claims
- 1398US7726009B1Method of fabricating a perpendicular recording write head having a gap with two portionsWESTERN DIGITAL FREMONT LLC·Filed 2007·Granted Jun 1, 2010·156 cites·27 claims
- 1498US7419891B1Method and system for providing a smaller critical dimension magnetic element utilizing a single layer maskWESTERN DIGITAL FREMONT LLC·Filed 2006·Granted Sep 2, 2008·161 cites·16 claims
- 1597US8563146B1Method and system for providing a magnetic recording pole having a dual sidewall angleZHANG JINQIU·Filed 2011·Granted Oct 22, 2013·151 cites·18 claims
- 1697US8357244B1Method for lifting off photoresist beneath an overlayerWESTERN DIGITAL FREMONT LLC·Filed 2010·Granted Jan 22, 2013·150 cites·10 claims
- 1797US8163185B1Method and apparatus for lifting off photoresist beneath an overlayerSUN HAI·Filed 2008·Granted Apr 24, 2012·147 cites·10 claims
- 1897US8072705B1Method and system for providing a magnetic writer using a BARCWANG YIZHONG·Filed 2007·Granted Dec 6, 2011·153 cites·21 claims
- 1997US7248431B1Method of fabricating a perpendicular recording write head having a gap with two portionsLIU YINSHI·Filed 2004·Granted Jul 24, 2007·172 cites·12 claims
- 2096US8394280B1Resist pattern protection technique for double patterning applicationWAN DUJIANG·Filed 2009·Granted Mar 12, 2013·155 cites·9 claims
- 2196US8169473B1Method and system for exposing a photoresist in a magnetic deviceYU WINNIE·Filed 2008·Granted May 1, 2012·147 cites·13 claims
- 2272US9007719B1Systems and methods for using double mask techniques to achieve very small featuresWESTERN DIGITAL FREMONT LLC·Filed 2014·Granted Apr 14, 2015·2 cites·19 claims
- 2370US2025014594A1Dual Free Layer TMR Reader With Shaped Rear Bias and Methods of Forming ThereofWESTERN DIGITAL TECH INC·Filed 2024·Application pending·0 cites
- 2461US2024071413A1Dual Free Layer TMR Reader With Shaped Rear Bias and Methods of Forming ThereofWESTERN DIGITAL TECH INC·Filed 2022·Application pending·0 cites
- 2560US2010290157A1Damascene coil processes and structuresWESTERN DIGITAL FREMONT LLC·Filed 2009·Application pending·0 cites
- 2652US9202480B2Double patterning hard mask for damascene perpendicular magnetic recording (PMR) writerXIANG XIAOHAI·Filed 2009·Granted Dec 1, 2015·0 cites·7 claims
- 2748US9274438B1Method and system for exposing photoresist in a microelectric deviceYUAN HONGPING·Filed 2008·Granted Mar 1, 2016·0 cites·12 claims
- 2847US2016154310A1Method for exposing photoresist in a microelectric deviceWESTERN DIGITAL FREMONT LLC·Filed 2016·Application pending·0 cites
- 2944US2004143780A1Method and apparatus for determining loopback capabilities of a communication deviceFiled 2003·Application pending·0 cites
- 3043US2004143781A1System and method for non-intrusive loopback testingFiled 2003·Application pending·0 cites
- 3139US2012237878A1Method and system for providing a side shield for a perpendicular magnetic recording poleZENG XIANZHONG·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →