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San Jose, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Local extension of head overcoat with a near-field transducer exten...
Patent number
12,159,654
Issue date
Dec 3, 2024
Western Digital Technologies, Inc.
Mehdi Habibollahzadeh
G11 - INFORMATION STORAGE
Information
Patent Grant
In-situ NFT pre-treatment to accumulate optically transparent mater...
Patent number
11,244,703
Issue date
Feb 8, 2022
Western Digital Technologies, Inc.
Sukumar Rajauria
G11 - INFORMATION STORAGE
Information
Patent Grant
In-situ NFT pre-treatment to accumulate optically transparent mater...
Patent number
10,950,266
Issue date
Mar 16, 2021
Western Digital Technologies, Inc.
Sukumar Rajauria
G11 - INFORMATION STORAGE
Information
Patent Grant
HAMR media to assist optically transparent build-up on NFT to impro...
Patent number
10,950,267
Issue date
Mar 16, 2021
Western Digital Technologies, Inc.
Yuichi Aoki
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat-assisted magnetic recording device capable of providing negati...
Patent number
10,910,007
Issue date
Feb 2, 2021
Western Digital Technologies, Inc.
Tan Trinh
G11 - INFORMATION STORAGE
Information
Patent Grant
Hard disk drive with write gap conductive structure and dual indepe...
Patent number
10,650,850
Issue date
May 12, 2020
Western Digital Technologies, Inc.
Sukumar Rajauria
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic storage device with heat-assisted magnetic storage head an...
Patent number
10,468,071
Issue date
Nov 5, 2019
Western Digital Technologies, Inc.
Kenji Tasaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device gradually decreasing laser power after write op...
Patent number
9,922,676
Issue date
Mar 20, 2018
Western Digital Technologies, Inc.
Erhard Schreck
G11 - INFORMATION STORAGE
Information
Patent Grant
Near field transducer having an adhesion layer coupled thereto
Patent number
9,852,749
Issue date
Dec 26, 2017
Western Digital Technologies, Inc.
Xiaoping Bian
G11 - INFORMATION STORAGE
Information
Patent Grant
Near field transducer having an adhesion layer coupled thereto
Patent number
9,633,677
Issue date
Apr 25, 2017
Western Digital Technologies, Inc.
Xiaoping Bian
G11 - INFORMATION STORAGE
Information
Patent Grant
Media etch process
Patent number
9,361,926
Issue date
Jun 7, 2016
HGST Netherlands B.V.
Qing Dai
G11 - INFORMATION STORAGE
Information
Patent Grant
Methods of production for corrosion-resistant bit patterned media (...
Patent number
9,275,670
Issue date
Mar 1, 2016
HGST Netherlands B.V.
Qing Dai
B32 - LAYERED PRODUCTS
Information
Patent Grant
System and method for evenly distributing thermal exposure to disk...
Patent number
8,941,944
Issue date
Jan 27, 2015
HGST Netherlands B.V.
Qing Dai
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
Method for planarizing a perpendicular magnetic recording disk for...
Patent number
8,721,903
Issue date
May 13, 2014
HGST Netherlands B.V.
Xiaoping Bian
G11 - INFORMATION STORAGE
Information
Patent Grant
Corrosion-resistant bit patterned media (BPM) and discrete track me...
Patent number
8,717,710
Issue date
May 6, 2014
HGST Netherlands, B.V.
Qing Dai
B32 - LAYERED PRODUCTS
Information
Patent Grant
Magnetic media and magnetic recording devices using fluorine compounds
Patent number
8,628,869
Issue date
Jan 14, 2014
HGST Netherlands B.V.
Mina Amo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
System, method and apparatus for pattern clean-up during fabricatio...
Patent number
8,481,245
Issue date
Jul 9, 2013
HGST Netherlands B.V.
Qing Dai
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic recording disk having pre-patterned surface features and p...
Patent number
8,338,006
Issue date
Dec 25, 2012
Hitachi Global Storage Technologies Netherlands B.V.
Qing Dai
B82 - NANO-TECHNOLOGY
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
System, method and apparatus for pattern clean-up during fabricatio...
Patent number
8,105,753
Issue date
Jan 31, 2012
Hitachi Global Storage Technologies Netherlands B.V.
Qing Dai
B82 - NANO-TECHNOLOGY
Information
Patent Grant
System, method and apparatus for obtaining true roughness of granul...
Patent number
7,900,497
Issue date
Mar 8, 2011
Hitachi Global Storage Technologies Netherlands B.V.
Qing Dai
B82 - NANO-TECHNOLOGY
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 magnetic recording medium having an interlayer formed...
Patent number
7,736,767
Issue date
Jun 15, 2010
Hitachi Global Storage Technologies Netherlands, B.V.
Xiaoping Bian
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording system and medium with high-moment...
Patent number
7,524,570
Issue date
Apr 28, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Qing Dai
G11 - INFORMATION STORAGE
Information
Patent Grant
Planarization method for a structure having a first surface for etc...
Patent number
7,263,763
Issue date
Sep 4, 2007
International Business Machines Corporation
Qing Dai
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive having reduced variation of disk surface lubricant layer...
Patent number
7,002,768
Issue date
Feb 21, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Bruno Marchon
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording head having a corrosion-protective layer of a me...
Patent number
6,940,692
Issue date
Sep 6, 2005
International Business Machines
Qing Dai
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
LOCAL EXTENSION OF HEAD OVERCOAT WITH A NEAR-FIELD TRANSDUCER EXTEN...
Publication number
20240404551
Publication date
Dec 5, 2024
Western Digital Technologies, Inc.
Mehdi HABIBOLLAHZADEH
G11 - INFORMATION STORAGE
Information
Patent Application
DATA STORAGE DEVICE WITH INTELLIGENT WRITE PROTECTION FOR ENERGY AN...
Publication number
20240331729
Publication date
Oct 3, 2024
Western Digital Technologies, Inc.
Bernd Lamberts
G11 - INFORMATION STORAGE
Information
Patent Application
DATA STORAGE DEVICE WITH WRITE PROTECTION AND GUARANTEED RAPID WRIT...
Publication number
20240304214
Publication date
Sep 12, 2024
Western Digital Technologies, Inc.
Bernd Lamberts
G11 - INFORMATION STORAGE
Information
Patent Application
HEAT-ASSISTED MAGNETIC RECORDING (HAMR) MEDIA WITH DUAL-LAYER MEDIA...
Publication number
20230238023
Publication date
Jul 27, 2023
Western Digital Technologies, Inc.
Tan Duy Trinh
G11 - INFORMATION STORAGE
Information
Patent Application
In-Situ NFT Pre-Treatment To Accumulate Optically Transparent Mater...
Publication number
20210272595
Publication date
Sep 2, 2021
Western Digital Technologies, Inc.
Sukumar RAJAURIA
G11 - INFORMATION STORAGE
Information
Patent Application
REDUCING CARBONACEOUS SMEAR AT THE NFT AREA ON HAMR HEAD
Publication number
20170221511
Publication date
Aug 3, 2017
HGST NETHERLANDS B.V.
Qing DAI
G11 - INFORMATION STORAGE
Information
Patent Application
NEAR FIELD TRANSDUCER HAVING AN ADHESION LAYER COUPLED THERETO
Publication number
20170186451
Publication date
Jun 29, 2017
WESTERN DIGITAL TECHNOLOGIES, INC.
Xiaoping Bian
G11 - INFORMATION STORAGE
Information
Patent Application
NEAR FIELD TRANSDUCER HAVING AN ADHESION LAYER COUPLED THERETO
Publication number
20160372140
Publication date
Dec 22, 2016
HGST NETHERLANDS B.V.
Xiaoping Bian
G11 - INFORMATION STORAGE
Information
Patent Application
MEDIA ETCH PROCESS
Publication number
20140332496
Publication date
Nov 13, 2014
HGST NETHERLANDS B.V.
Qing Dai
G11 - INFORMATION STORAGE
Information
Patent Application
METHODS OF PRODUCTION FOR CORROSION-RESISTANT BIT PATTERNED MEDIA (...
Publication number
20140199501
Publication date
Jul 17, 2014
HGST NETHERLANDS B.V.
Qing Dai
B32 - LAYERED PRODUCTS
Information
Patent Application
CORROSION-RESISTANT BIT PATTERNED MEDIA (BPM) AND DISCRETE TRACK ME...
Publication number
20130301157
Publication date
Nov 14, 2013
Hitachi Global Storage Technologies Netherlands B.V.
Qing Dai
B32 - LAYERED PRODUCTS
Information
Patent Application
METHOD FOR PLANARIZING A PERPENDICULAR MAGNETIC RECORDING DISK FOR...
Publication number
20130264306
Publication date
Oct 10, 2013
Xiaoping Bian
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC MEDIA AND MAGNETIC RECORDING DEVICES USING FLUORINE COMPOUNDS
Publication number
20130194693
Publication date
Aug 1, 2013
Hitachi Global Storage Technologies Netherlands B.V.
Mina Amo
G11 - INFORMATION STORAGE
Information
Patent Application
SYSTEM, METHOD AND APPARATUS FOR MAGNETIC MEDIA WITH A NON-CONTINUO...
Publication number
20130170075
Publication date
Jul 4, 2013
Hitachi Global Storage Technologies Netherlands B.V.
Qing Dai
B82 - NANO-TECHNOLOGY
Information
Patent Application
SYSTEM AND METHOD OF FABRICATING MEDIA
Publication number
20120325771
Publication date
Dec 27, 2012
HGST NETHERLANDS B.V.
Xiaoping Bian
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
SYSTEM, METHOD AND APPARATUS FOR PATTERN CLEAN-UP DURING FABRICATIO...
Publication number
20120091096
Publication date
Apr 19, 2012
Hitachi Global Storage Technologies Netherlands B.V.
Qing Dai
G11 - INFORMATION STORAGE
Information
Patent Application
SYSTEM AND METHOD OF FABRICATING MEDIA
Publication number
20120012554
Publication date
Jan 19, 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
Dual oxide recording sublayers in perpendicular recording media
Publication number
20100110584
Publication date
May 6, 2010
Qing Dai
G11 - INFORMATION STORAGE
Information
Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIA HAVING A CAP LAYER FORMED FR...
Publication number
20100073813
Publication date
Mar 25, 2010
Qing Dai
G11 - INFORMATION STORAGE
Information
Patent Application
SYSTEM, METHOD AND APPARATUS FOR PLANARIZING MEDIA TOPOGRAPHY VIA S...
Publication number
20100034966
Publication date
Feb 11, 2010
Hitachi Global Storage Technologies Netherlands B.V.
QING DAI
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD FOR PLANARIZING A MAGNETIC RECORDING DISK HAVING PRE-PATTERN...
Publication number
20090305081
Publication date
Dec 10, 2009
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
Qing Dai
G11 - INFORMATION STORAGE
Information
Patent Application
Scheme to protect media and head against corrosion/oxidation in a h...
Publication number
20090244769
Publication date
Oct 1, 2009
Qing Dai
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular Magnetic recording system and medium with high-moment...
Publication number
20090213494
Publication date
Aug 27, 2009
Qing Dai
G11 - INFORMATION STORAGE
Information
Patent Application
SYSTEM, METHOD AND APPARATUS FOR OBTAINING TRUE ROUGHNESS OF GRANUL...
Publication number
20090139314
Publication date
Jun 4, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Qing Dai
G01 - MEASURING TESTING
Information
Patent Application
SYSTEM, METHOD AND APPARATUS FOR PATTERN CLEAN-UP DURING FABRICATIO...
Publication number
20090136873
Publication date
May 28, 2009
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS BV
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 HAVING AN INTERLAYER FORMED...
Publication number
20080213629
Publication date
Sep 4, 2008
Xiaoping Bian
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