Choe; Gunn

Patent Applications and Registrations

Patent applications and USPTO patent grants for Choe; Gunn.The latest application filed is for "exchange enhanced cap manufactured with argon and oxygen implantation".

Company Profile

0.17.12

Choe; Gunn - San Jose CA

*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
Exchange enhanced cap manufactured with argon and oxygen implantation Grant 9,318,140 - Choe , et al. April 19, 2	2016-04-19
High performance perpendicular magnetic granular media consisting of multiple exchange control layers Grant 9,129,638 - Choe , et al. September 8, 2	2015-09-08
Magnetic recording medium for perpendicular magnetic recording Grant 9,005,781 - Zhou , et al. April 14, 2	2015-04-14
Perpendicular magnetic recording disk having a permeability gradient Grant 8,982,510 - Choe March 17, 2	2015-03-17
Exchange Enhanced Cap Manufactured With Argon And Oxygen Implantation App 20140168817 - Choe; Gunn ; et al.	2014-06-19
Magnetic Recording Medium for Perpendicular Magnetic Recording App 20130022842 - Zhou; Jianing ; et al.	2013-01-24
Magnetic recording medium for perpendicular magnetic recording Grant 8,277,962 - Zhou , et al. October 2, 2	2012-10-02
Methods and apparatus to fabricate soft magnetic film with preferred uniaxial anisotropy for perpendicular recording Grant 8,252,367 - Choe , et al. August 28, 2	2012-08-28
Magnetic recording capping layer with multiple layers for controlling anisotropy for perpendicular recording media Grant 8,202,636 - Choe , et al. June 19, 2	2012-06-19
Perpendicular Magnetic Recording Media Having A Decoupled Low Anisotropy Oxide Layer For Writeability Enhancement App 20120141832 - Choe; Gunn ; et al.	2012-06-07
Perpendicular recording media with sublayers of oxide dopant magnetic materials Grant 8,168,309 - Choe , et al. May 1, 2	2012-05-01
Method For Manufacturing A Perpendicular Magnetic Data Recording Media Having A Pseudo Onset Layer App 20120064375 - Choe; Gunn ; et al.	2012-03-15
Media for high density perpendicular magnetic recording Grant 8,110,298 - Choe , et al. February 7, 2	2012-02-07
Magnetic recording medium for perpendicular magnetic recording Grant 7,901,802 - Zhou , et al. March 8, 2	2011-03-08
Perpendicular Recording Media With Sublayers Of Oxide Dopant Magnetic Materials App 20110038079 - Choe; Gunn ; et al.	2011-02-17
Magnetic Recording Medium For Perpendicular Magnetic Recording App 20100328818 - Zhou; Jianing ; et al.	2010-12-30
Magnetic recording capping layer with multiple layers for controlling anisotropy for perpendicular recording media App 20100159284 - Choe; Gunn ; et al.	2010-06-24
Perpendicular magnetic recording medium having a multi-layer interlayer that includes BCC material Grant 7,662,492 - Choe , et al. February 16, 2	2010-02-16
Method to improve remanence-squareness-thickness-product and coercivity profiles in magnetic media Grant 7,592,079 - Acharya , et al. September 22, 2	2009-09-22
Methods And Apparatus To Fabricate Soft Magnetic Film With Preferred Uniaxial Anisotropy For Perpendicular Recording App 20090162573 - Choe; Gunn ; et al.	2009-06-25
Perpendicular Magnetic Recording Disk Having A Permeability Gradient App 20090116147 - Choe; Gunn	2009-05-07
Perpendicular Magnetic Recording Medium Having A Multi-layer Interlayer That Includes Bcc Material App 20080213630 - Choe; Gunn ; et al.	2008-09-04
Magnetic Recording Medium For Perpendicular Magnetic Recording App 20070217074 - Zhou; Jianing ; et al.	2007-09-20
Soft magnetic underlayer with exchange coupling induced anisotropy for perpendicular magnetic recording media Grant 7,241,516 - Acharya , et al. July 10, 2	2007-07-10
High density longitudinal recording media Grant 7,141,318 - Choe , et al. November 28, 2	2006-11-28
Layered thin-film media for perpendicular magnetic recording Grant 7,138,196 - Zheng , et al. November 21, 2	2006-11-21

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