Gunn Choe

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Exchange enhanced cap manufactured with argon and oxygen implantation
- Patent number 9,318,140
- Issue date Apr 19, 2016
- HGST Netherlands B.V.
- Gunn Choe
- G11 - INFORMATION STORAGE
Information Patent Grant
High performance perpendicular magnetic granular media consisting o...
- Patent number 9,129,638
- Issue date Sep 8, 2015
- HGST Netherlands B.V.
- Gunn Choe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium for perpendicular magnetic recording
- Patent number 9,005,781
- Issue date Apr 14, 2015
- Seagate Technology LLC
- Jianing Zhou
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording disk having a permeability gradient
- Patent number 8,982,510
- Issue date Mar 17, 2015
- HGST Netherlands B.V.
- Gunn Choe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium for perpendicular magnetic recording
- Patent number 8,277,962
- Issue date Oct 2, 2012
- Seagate Technology LLC
- Jianing Zhou
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods and apparatus to fabricate soft magnetic film with preferre...
- Patent number 8,252,367
- Issue date Aug 28, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Gunn Choe
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic recording capping layer with multiple layers for controlli...
- Patent number 8,202,636
- Issue date Jun 19, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Gunn Choe
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular recording media with sublayers of oxide dopant magnet...
- Patent number 8,168,309
- Issue date May 1, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Gunn Choe
- G11 - INFORMATION STORAGE
Information Patent Grant
Media for high density perpendicular magnetic recording
- Patent number 8,110,298
- Issue date Feb 7, 2012
- Seagate Technology LLC
- Gunn Choe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium for perpendicular magnetic recording
- Patent number 7,901,802
- Issue date Mar 8, 2011
- Seagate Technology LLC
- Jianing Zhou
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium having a multi-layer interl...
- Patent number 7,662,492
- Issue date Feb 16, 2010
- Hitachi Global Storage Techologies Netherlands, B.V.
- Gunn Choe
- G11 - INFORMATION STORAGE
Information Patent Grant
Method to improve remanence-squareness-thickness-product and coerci...
- Patent number 7,592,079
- Issue date Sep 22, 2009
- Seagate Technology LLC
- B. Ramamurthy Acharya
- G11 - INFORMATION STORAGE
Information Patent Grant
Soft magnetic underlayer with exchange coupling induced anisotropy...
- Patent number 7,241,516
- Issue date Jul 10, 2007
- Maxtor Corporation
- B. Ramamurthy Acharya
- G11 - INFORMATION STORAGE
Information Patent Grant
High density longitudinal recording media
- Patent number 7,141,318
- Issue date Nov 28, 2006
- Maxtor Corporation
- Gunn Choe
- G11 - INFORMATION STORAGE
Information Patent Grant
Layered thin-film media for perpendicular magnetic recording
- Patent number 7,138,196
- Issue date Nov 21, 2006
- Maxtor Corporation
- Min Zheng
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
EXCHANGE ENHANCED CAP MANUFACTURED WITH ARGON AND OXYGEN IMPLANTATION
- Publication number 20140168817
- Publication date Jun 19, 2014
- HGST NETHERLANDS B.V.
- Gunn Choe
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic Recording Medium for Perpendicular Magnetic Recording
- Publication number 20130022842
- Publication date Jan 24, 2013
- SEAGATE TECHNOLOGY LLC
- Jianing Zhou
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIA HAVING A DECOUPLED LOW ANISO...
- Publication number 20120141832
- Publication date Jun 7, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Gunn Choe
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING A PERPENDICULAR MAGNETIC DATA RECORDING ME...
- Publication number 20120064375
- Publication date Mar 15, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Gunn Choe
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
PERPENDICULAR RECORDING MEDIA WITH SUBLAYERS OF OXIDE DOPANT MAGNET...
- Publication number 20110038079
- Publication date Feb 17, 2011
- Hitachi Global Storage Technologies Netherlands B.V.
- Gunn Choe
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM FOR PERPENDICULAR MAGNETIC RECORDING
- Publication number 20100328818
- Publication date Dec 30, 2010
- Seagate Technology LLC
- Jianing Zhou
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording capping layer with multiple layers for controlli...
- Publication number 20100159284
- Publication date Jun 24, 2010
- Gunn Choe
- G11 - INFORMATION STORAGE
Information Patent Application
METHODS AND APPARATUS TO FABRICATE SOFT MAGNETIC FILM WITH PREFERRE...
- Publication number 20090162573
- Publication date Jun 25, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Gunn Choe
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING DISK HAVING A PERMEABILITY GRADIENT
- Publication number 20090116147
- Publication date May 7, 2009
- Gunn Choe
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM HAVING A MULTI-LAYER INTERL...
- Publication number 20080213630
- Publication date Sep 4, 2008
- Gunn Choe
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM FOR PERPENDICULAR MAGNETIC RECORDING
- Publication number 20070217074
- Publication date Sep 20, 2007
- Seagate Technology LLC
- Jianing Zhou
- G11 - INFORMATION STORAGE

Person

Patents Grantslast 30 patents

Exchange enhanced cap manufactured with argon and oxygen implantation

High performance perpendicular magnetic granular media consisting o...

Magnetic recording medium for perpendicular magnetic recording

Perpendicular magnetic recording disk having a permeability gradient

Magnetic recording medium for perpendicular magnetic recording

Methods and apparatus to fabricate soft magnetic film with preferre...

Magnetic recording capping layer with multiple layers for controlli...

Perpendicular recording media with sublayers of oxide dopant magnet...

Media for high density perpendicular magnetic recording

Magnetic recording medium for perpendicular magnetic recording

Perpendicular magnetic recording medium having a multi-layer interl...

Method to improve remanence-squareness-thickness-product and coerci...

Soft magnetic underlayer with exchange coupling induced anisotropy...

High density longitudinal recording media

Layered thin-film media for perpendicular magnetic recording

Patents Applicationslast 30 patents

EXCHANGE ENHANCED CAP MANUFACTURED WITH ARGON AND OXYGEN IMPLANTATION

Magnetic Recording Medium for Perpendicular Magnetic Recording

PERPENDICULAR MAGNETIC RECORDING MEDIA HAVING A DECOUPLED LOW ANISO...

METHOD FOR MANUFACTURING A PERPENDICULAR MAGNETIC DATA RECORDING ME...

PERPENDICULAR RECORDING MEDIA WITH SUBLAYERS OF OXIDE DOPANT MAGNET...

MAGNETIC RECORDING MEDIUM FOR PERPENDICULAR MAGNETIC RECORDING

Magnetic recording capping layer with multiple layers for controlli...

METHODS AND APPARATUS TO FABRICATE SOFT MAGNETIC FILM WITH PREFERRE...

PERPENDICULAR MAGNETIC RECORDING DISK HAVING A PERMEABILITY GRADIENT

PERPENDICULAR MAGNETIC RECORDING MEDIUM HAVING A MULTI-LAYER INTERL...

MAGNETIC RECORDING MEDIUM FOR PERPENDICULAR MAGNETIC RECORDING