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Hoa V. Do
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Fremont, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Vertically and horizontally weakly coupled perpendicular small grai...
Patent number
9,552,837
Issue date
Jan 24, 2017
HGST Netherlands B.V.
Hoa V. Do
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording media with oxide-containing exchan...
Patent number
8,747,628
Issue date
Jun 10, 2014
HGST Netherlands B.V.
Xiaoping Bian
G11 - INFORMATION STORAGE
Information
Patent Grant
Laminated magnetic thin films for magnetic recording with weak ferr...
Patent number
8,263,239
Issue date
Sep 11, 2012
HGST Netherlands B.V.
Andreas Klaus Berger
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording media with oxide-containing exchan...
Patent number
8,168,310
Issue date
May 1, 2012
Hitachi Global Storage Technologies Netherlands B.V.
Xiaoping Bian
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular recording media having an exchange-spring structure
Patent number
7,989,096
Issue date
Aug 2, 2011
Hitachi Global Storage Technologies Netherlands B.V.
Andreas Berger
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive with laminated magnetic thin films with sublayers for ma...
Patent number
7,976,964
Issue date
Jul 12, 2011
Hitachi Global Storage Technologies Netherlands B.V.
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus, system, and method for the selection of perpendicular me...
Patent number
7,879,470
Issue date
Feb 1, 2011
Hitachi Global Storage Technologies Netherlands B.V.
Qing Dai
G11 - INFORMATION STORAGE
Information
Patent Grant
Oxide magnetic recording layers for perpendicular recording media
Patent number
7,862,913
Issue date
Jan 4, 2011
Hitachi Global Storage Technologies Netherlands B.V.
Xiaoping Bian
G11 - INFORMATION STORAGE
Information
Patent Grant
SiN overcoat for perpendicular magnetic recording media
Patent number
7,758,982
Issue date
Jul 20, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Qing Dai
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular recording media having an exchange-spring structure
Patent number
7,687,157
Issue date
Mar 30, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Andreas Berger
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium with an exchange-spring rec...
Patent number
7,582,368
Issue date
Sep 1, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Andreas Klaus Berger
G11 - INFORMATION STORAGE
Information
Patent Grant
Antiferromagnetically coupled media for magnetic recording with wea...
Patent number
7,556,870
Issue date
Jul 7, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium with magnetic torque layer...
Patent number
7,498,092
Issue date
Mar 3, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Andreas Klaus Berger
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording disk with improved recording layer...
Patent number
7,482,071
Issue date
Jan 27, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for improving signal-to-noise ratio in longitu...
Patent number
7,479,332
Issue date
Jan 20, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Eric Edward Fullerton
G11 - INFORMATION STORAGE
Information
Patent Grant
Incoherently-reversing magnetic laminate with exchange coupled ferr...
Patent number
7,425,377
Issue date
Sep 16, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Eric Edward Fullerton
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium having three ferromagnetic layers with in...
Patent number
7,180,710
Issue date
Feb 20, 2007
Hitachi Global Storage Technologies Netherlands B.V.
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording system with three-layer laminated media having i...
Patent number
7,177,118
Issue date
Feb 13, 2007
Hitachi Global Storage Technologies Netherlands B.V.
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording disk with antiferromagnetically-coupled magnetic...
Patent number
7,125,616
Issue date
Oct 24, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording disk with antiferromagnetically-coupled magnetic...
Patent number
7,081,309
Issue date
Jul 25, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for making a magnetoresistive sensor having a cobalt-ferrite...
Patent number
6,928,723
Issue date
Aug 16, 2005
International Business Machines Corporation
Matthew Joseph Carey
G11 - INFORMATION STORAGE
Information
Patent Grant
Antiferromagnetically coupled magnetic recording media with CoCrFe...
Patent number
6,835,476
Issue date
Dec 28, 2004
Hitachi Global Storage Technologies Netherlands B.V.
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Grant
Oriented magnetic recording media on a nonmetallic substrate
Patent number
6,803,119
Issue date
Oct 12, 2004
Hitachi Global Storage Technologies Netherlands B.V.
David Thomas Margulies
G11 - INFORMATION STORAGE
Information
Patent Grant
Laminated magnetic recording media with antiferromagnetically coupl...
Patent number
6,773,834
Issue date
Aug 10, 2004
Hitachi Global Storage Technologies Netherlands B.V.
Hoa Van Do
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Magnetic recording medium with antiparallel coupled ferromagnetic f...
Patent number
6,723,450
Issue date
Apr 20, 2004
Hitachi Global Storage Technologies Netherlands B.V.
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Grant
Oriented magnetic medium on a nonmetallic substrate
Patent number
6,670,032
Issue date
Dec 30, 2003
Hitachi Global Storage Technologies Netherlands B.V.
David Thomas Margulies
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording disk with perpendicular magnetic recording layer...
Patent number
6,537,638
Issue date
Mar 25, 2003
International Business Machines Corporation
Hoa Do
G11 - INFORMATION STORAGE
Information
Patent Grant
Laminated magnetic recording media with antiferromagnetically coupl...
Patent number
6,372,330
Issue date
Apr 16, 2002
International Business Machines Corporation
Hoa Van Do
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
VERTICALLY AND HORIZONTALLY WEAKLY COUPLED PERPENDICULAR SMALL GRAI...
Publication number
20150124350
Publication date
May 7, 2015
HGST NETHERLANDS B.V.
Hoa V. Do
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording media with seed layer structure co...
Publication number
20130235490
Publication date
Sep 12, 2013
Hitachi Global Storage Technologies Netherlands B.V.
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIA WITH OXIDE-CONTAINING EXCHAN...
Publication number
20120186974
Publication date
Jul 26, 2012
Hitachi Global Storage Technologies Netherlands B.V.
Xiaoping Bian
G11 - INFORMATION STORAGE
Information
Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIA WITH OXIDE-CONTAINING EXCHAN...
Publication number
20110141621
Publication date
Jun 16, 2011
Xiaoping Bian
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular Recording Media Having an Exchange-Spring Structure
Publication number
20100128391
Publication date
May 27, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Andreas Berger
G11 - INFORMATION STORAGE
Information
Patent Application
Dual oxide recording sublayers in perpendicular recording media
Publication number
20100110584
Publication date
May 6, 2010
Qing Dai
G11 - INFORMATION STORAGE
Information
Patent Application
APPARATUS, SYSTEM, AND METHOD FOR THE SELECTION OF PERPENDICULAR ME...
Publication number
20090130490
Publication date
May 21, 2009
Qing Dai
G11 - INFORMATION STORAGE
Information
Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH MULTILAYER RECORDING S...
Publication number
20080138662
Publication date
Jun 12, 2008
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
Andreas Klaus Berger
G11 - INFORMATION STORAGE
Information
Patent Application
Oxide magnetic recording layers for perpendicular recording media
Publication number
20080096053
Publication date
Apr 24, 2008
Xiaoping Bian
G11 - INFORMATION STORAGE
Information
Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH AN EXCHANGE-SPRING REC...
Publication number
20080070065
Publication date
Mar 20, 2008
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
Andreas Klaus Berger
G11 - INFORMATION STORAGE
Information
Patent Application
High Performance Perpendicular Media for Magnetic Recording with Op...
Publication number
20080057349
Publication date
Mar 6, 2008
Hitachi Global Technologies
Andreas Klaus Berger
G01 - MEASURING TESTING
Information
Patent Application
Laminated magnetic thin films for magnetic recording with weak ferr...
Publication number
20070298285
Publication date
Dec 27, 2007
Andreas Klaus Berger
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium
Publication number
20070292721
Publication date
Dec 20, 2007
Andreas Klaus Berger
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium with multiple exchange-coup...
Publication number
20070212574
Publication date
Sep 13, 2007
Andreas Klaus Berger
G11 - INFORMATION STORAGE
Information
Patent Application
SiN overcoat for perpendicular magnetic recording media
Publication number
20070054153
Publication date
Mar 8, 2007
HITACHI GLOBAL STORAGE TECHNOLOGIES
Qing Dai
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording disk with recording layer containi...
Publication number
20070037016
Publication date
Feb 15, 2007
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Application
Antiferromagnetically coupled media for magnetic recording with wea...
Publication number
20070037017
Publication date
Feb 15, 2007
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording disk with improved recording layer...
Publication number
20060269799
Publication date
Nov 30, 2006
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Application
Disk drive with laminated magnetic thin films with sublayers for ma...
Publication number
20060210835
Publication date
Sep 21, 2006
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Application
Laminated magnetic thin films with sublayers for magnetic recording
Publication number
20060210834
Publication date
Sep 21, 2006
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Application
Method and apparatus for improving signal-to-noise ratio in longitu...
Publication number
20060199042
Publication date
Sep 7, 2006
Eric Edward Fullerton
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular recording media having an exchange-spring structure
Publication number
20060177704
Publication date
Aug 10, 2006
Andreas Berger
G11 - INFORMATION STORAGE
Information
Patent Application
Incoherently-reversing magnetic laminate with exchange coupled ferr...
Publication number
20060177700
Publication date
Aug 10, 2006
Eric Edward Fullerton
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium with magnetic torque layer...
Publication number
20060166039
Publication date
Jul 27, 2006
Andreas Klaus Berger
G11 - INFORMATION STORAGE
Information
Patent Application
Laminated magnetic recording medium having improved signal-to-noise...
Publication number
20050259362
Publication date
Nov 24, 2005
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording system with three-layer laminated media having i...
Publication number
20050259351
Publication date
Nov 24, 2005
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording disk with antiferromagnetically-coupled magnetic...
Publication number
20050214586
Publication date
Sep 29, 2005
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording disk with antiferromagnetically-coupled magnetic...
Publication number
20050190498
Publication date
Sep 1, 2005
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Application
Antiferromagnetically coupled magnetic recording media with CoCrFe...
Publication number
20040180173
Publication date
Sep 16, 2004
Hoa Van Do
G11 - INFORMATION STORAGE
Information
Patent Application
Spin valves with co-ferrite pinning layer
Publication number
20040134060
Publication date
Jul 15, 2004
Matthew Joseph Carey
G01 - MEASURING TESTING