Inventor · disambiguated record
Dehua Han
Also filed as: HAN DEHUA
20 granted patents·1 pending application·946 citations·filing 2001–2015
96Inventor score
Top patents by PatentIndex Score
21 records- 0198US8724259B1Conformal high moment side shield seed layer for perpendicular magnetic recording writerLIU FENG·Filed 2012·Granted May 13, 2014·168 cites·3 claims
- 0298US8582238B1Systems and methods for providing perpendicular magnetic writers having gradient magnetic moment side shieldsLIU FENG·Filed 2011·Granted Nov 12, 2013·175 cites·27 claims
- 0397US8760819B1Magnetic recording sensor with sputtered antiferromagnetic coupling trilayer between plated ferromagnetic shieldsLIU FENG·Filed 2010·Granted Jun 24, 2014·142 cites·22 claims
- 0497US8441756B1Method and system for providing an antiferromagnetically coupled writerSUN MING·Filed 2010·Granted May 14, 2013·150 cites·10 claims
- 0596US8582241B1Method and system for providing a magnetic transducer having a high moment bilayer magnetic seed layer for a trailing shieldYU CHENGTAO R·Filed 2012·Granted Nov 12, 2013·196 cites·27 claims
- 0693US9042051B2Gradient write gap for perpendicular magnetic recording writerWESTERN DIGITAL FREMONT LLC·Filed 2013·Granted May 26, 2015·21 cites·10 claims
- 0792US7609478B2Magnetic writer pole with a graded magnetic momentSEAGATE TECHNOLOGY LLC·Filed 2006·Granted Oct 27, 2009·16 cites·12 claims
- 0889US8810964B2Magnetic recording head having a pole tip shield and a pole-shield gap regionGAO KAIZHONG·Filed 2010·Granted Aug 19, 2014·12 cites·20 claims
- 0988US8970992B2Write head with modified side shieldsSEAGATE TECHNOLOGY LLC·Filed 2013·Granted Mar 3, 2015·7 cites·13 claims
- 1088US8279562B2Magnetic recording head with magnetic wall angleGAO KAIZHONG·Filed 2009·Granted Oct 2, 2012·8 cites·20 claims
- 1187US6801409B2Read head shield having improved stabilitySEAGATE TECHNOLOGY LLC·Filed 2001·Granted Oct 5, 2004·23 cites·12 claims
- 1283US9123358B1Conformal high moment side shield seed layer for perpendicular magnetic recording writerWESTERN DIGITAL FREMONT LLC·Filed 2014·Granted Sep 1, 2015·5 cites·17 claims
- 1383US8537501B2Write head with modified side shieldsBENAKLI MOURAD·Filed 2011·Granted Sep 17, 2013·5 cites·11 claims
- 1482US9123359B1Magnetic recording transducer with sputtered antiferromagnetic coupling trilayer between plated ferromagnetic shields and method of fabricationHAN DEHUA·Filed 2010·Granted Sep 1, 2015·9 cites·19 claims
- 1581US9135930B1Method for fabricating a magnetic write pole using vacuum depositionWESTERN DIGITAL FREMONT LLC·Filed 2014·Granted Sep 15, 2015·5 cites·17 claims
- 1672US8564906B2Pole tip shield shaped to provide a differential shielding effect alongside the magnetic pole tipSEAGATE TECHNOLOGY LLC·Filed 2012·Granted Oct 22, 2013·2 cites·20 claims
- 1769US9214166B1Gradient write gap for perpendicular magnetic recording writerWESTERN DIGITAL FREMONT LLC·Filed 2015·Granted Dec 15, 2015·2 cites·9 claims
- 1854US9368134B1Method and system for providing an antiferromagnetically coupled writerWESTERN DIGITAL FREMONT LLC·Filed 2013·Granted Jun 14, 2016·0 cites·10 claims
- 1949US8837081B1Laminated touchdown sensor for hard disk drivesYU CHENGTAO R·Filed 2011·Granted Sep 16, 2014·0 cites·19 claims
- 2045US2015170681A1Write head with modified side shieldsSEAGATE TECHNOLOGY LLC·Filed 2015·Application pending·0 cites
- 2141US9052269B1Methods for characterizing relative film density using spectroscopic analysis at the device levelCHEN LIFAN·Filed 2012·Granted Jun 9, 2015·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →