Han; Dehua

Patent Applications and Registrations

Patent applications and USPTO patent grants for Han; Dehua.The latest application filed is for "write head with modified side shields".

Company Profile

0.30.10

Han; Dehua - Fremont CA
Han; Dehua - Freemont MN
Han; Dehua - Lakeville MN US
Han; Dehua - Eden Prairie MN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method and system for providing an antiferromagnetically coupled writer Grant 9,368,134 - Sun , et al. June 14, 2	2016-06-14
Gradient write gap for perpendicular magnetic recording writer Grant 9,214,166 - Zeng , et al. December 15, 2	2015-12-15
Method for fabricating a magnetic write pole using vacuum deposition Grant 9,135,930 - Zeng , et al. September 15, 2	2015-09-15
Conformal high moment side shield seed layer for perpendicular magnetic recording writer Grant 9,123,358 - Liu , et al. September 1, 2	2015-09-01
Magnetic recording transducer with sputtered antiferromagnetic coupling trilayer between plated ferromagnetic shields and method of fabrication Grant 9,123,359 - Han , et al. September 1, 2	2015-09-01
Write Head With Modified Side Shields App 20150170681 - Benakli; Mourad ; et al.	2015-06-18
Methods for characterizing relative film density using spectroscopic analysis at the device level Grant 9,052,269 - Chen , et al. June 9, 2	2015-06-09
Gradient write gap for perpendicular magnetic recording writer Grant 9,042,051 - Zeng , et al. May 26, 2	2015-05-26
Write head with modified side shields Grant 8,970,992 - Benakli , et al. March 3, 2	2015-03-03
Gradient Write Gap For Perpendicular Magnetic Recording Writer App 20150049400 - ZENG; LI ; et al.	2015-02-19
Laminated touchdown sensor for hard disk drives Grant 8,837,081 - Yu , et al. September 16, 2	2014-09-16
Magnetic recording head having a pole tip shield and a pole-shield gap region Grant 8,810,964 - Gao , et al. August 19, 2	2014-08-19
Magnetic recording sensor with sputtered antiferromagnetic coupling trilayer between plated ferromagnetic shields Grant 8,760,819 - Liu , et al. June 24, 2	2014-06-24
Conformal high moment side shield seed layer for perpendicular magnetic recording writer Grant 8,724,259 - Liu , et al. May 13, 2	2014-05-13
Magnetic Recording Head Having a Pole Tip Shield App 20140063657 - Gao; Kaizhong ; et al.	2014-03-06
Write Head With Modified Side Shields App 20140022673 - Benakli; Mourad ; et al.	2014-01-23
Method and system for providing a magnetic transducer having a high moment bilayer magnetic seed layer for a trailing shield Grant 8,582,241 - Yu , et al. November 12, 2	2013-11-12
Systems and methods for providing perpendicular magnetic writers having gradient magnetic moment side shields Grant 8,582,238 - Liu , et al. November 12, 2	2013-11-12
Pole tip shield shaped to provide a differential shielding effect alongside the magnetic pole tip Grant 8,564,906 - Gao , et al. October 22, 2	2013-10-22
Write head with modified side shields Grant 8,537,501 - Benakli , et al. September 17, 2	2013-09-17
Method and system for providing an antiferromagnetically coupled writer Grant 8,441,756 - Sun , et al. May 14, 2	2013-05-14
Pole Tip Shield Shaped To Provide A Differential Shielding Effect Alongside The Magnetic Pole Tip App 20130022841 - Gao; Kaizhong ; et al.	2013-01-24
Write Head With Modified Side Shields App 20120250187 - Benakli; Mourad ; et al.	2012-10-04
Magnetic recording head with magnetic wall angle Grant 8,279,562 - Gao , et al. October 2, 2	2012-10-02
Magnetic Recording Head With Magnetic Wall Angle App 20100232062 - Gao; Kaizhong ; et al.	2010-09-16
Magnetic writer pole with a graded magnetic moment Grant 7,609,478 - Han , et al. October 27, 2	2009-10-27
Magnetic writer pole with a graded magnetic moment App 20070230044 - Han; Dehua ; et al.	2007-10-04
Read head shield having improved stability Grant 6,801,409 - Michel , et al. October 5, 2	2004-10-05
Read head shield having improved stability App 20020034054 - Michel, Richard P. ; et al.	2002-03-21

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