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SAN JOSE, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Waveguide with reflective grating for localized energy intensity
Patent number
9,495,984
Issue date
Nov 15, 2016
Western Digital (Fremont), LLC
Hongxing Yuan
G02 - OPTICS
Information
Patent Grant
Waveguide with reflective grating for localized energy intensity
Patent number
9,190,085
Issue date
Nov 17, 2015
Western Digital (Fremont), LLC
Hongxing Yuan
G11 - INFORMATION STORAGE
Information
Patent Grant
Energy assisted magnetic recording transducer having an electronic...
Patent number
8,964,333
Issue date
Feb 24, 2015
Western Digital (Fremont), LLC
Yufeng Hu
G11 - INFORMATION STORAGE
Information
Patent Grant
Absorption enhanced media for energy assisted magnetic recording
Patent number
8,811,129
Issue date
Aug 19, 2014
Western Digital (Fremont), LLC
HongXing Yuan
G11 - INFORMATION STORAGE
Information
Patent Grant
Absorption enhanced media for energy assisted magnetic recording
Patent number
8,570,844
Issue date
Oct 29, 2013
Western Digital (Fremont), LLC
HongXing Yuan
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical grating and method of manufacture
Patent number
8,532,450
Issue date
Sep 10, 2013
Western Digital (Fremont), LLC
Zhongyan Wang
G02 - OPTICS
Information
Patent Grant
Method of making an energy-assisted magnetic recording apparatus
Patent number
8,495,813
Issue date
Jul 30, 2013
Western Digital (Fremont), LLC
Yufeng Hu
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for an energy assisted magnetic recording head ha...
Patent number
8,456,963
Issue date
Jun 4, 2013
Western Digital (Fremont), LLC
Yufeng Hu
G11 - INFORMATION STORAGE
Information
Patent Grant
Energy assisted magnetic recording head having a reflector for impr...
Patent number
8,456,964
Issue date
Jun 4, 2013
Western Digital (Fremont), LLC
Hongxing Yuan
G11 - INFORMATION STORAGE
Information
Patent Grant
Double optical grating
Patent number
8,422,841
Issue date
Apr 16, 2013
Western Digital (Fremont), LLC
Zhong Shi
G02 - OPTICS
Information
Patent Grant
Method for providing an electronic lapping guide corresponding to a...
Patent number
8,375,565
Issue date
Feb 19, 2013
Western Digital (Fremont), LLC
Yufeng Hu
B24 - GRINDING POLISHING
Information
Patent Grant
Non-linear optical grating
Patent number
8,320,722
Issue date
Nov 27, 2012
Western Digital (Fremont), LLC
Hongxing Yuan
G02 - OPTICS
Information
Patent Grant
Integration of a vertical cavity surface emitting laser (VCSEL) on...
Patent number
8,259,539
Issue date
Sep 4, 2012
Western Digital (Fremont), LLC
Yufeng Hu
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for providing an energy assisted magnetic recordi...
Patent number
8,248,896
Issue date
Aug 21, 2012
Western Digital (Fremont), LLC
Hongxing Yuan
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo design in data storage media
Patent number
8,203,800
Issue date
Jun 19, 2012
Western Digital (Fremont), LLC
Shaoping Li
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for optically coupling a laser with a transducer...
Patent number
8,125,856
Issue date
Feb 28, 2012
Western Digital (Fremont), LLC
Ruolin Li
G11 - INFORMATION STORAGE
Information
Patent Grant
Multiple aperture VCSEL EAMR heads
Patent number
8,077,557
Issue date
Dec 13, 2011
Western Digital (Fremont), LLC
Yufeng Hu
G11 - INFORMATION STORAGE
Information
Patent Grant
Enhanced anti-parallel-pinned sensor using thin ruthenium spacer an...
Patent number
7,848,064
Issue date
Dec 7, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Wen-Yaung Lee
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method of making a magnetic sensing device having an insulator stru...
Patent number
7,770,282
Issue date
Aug 10, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Alexander M. Zeltser
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic read head having increased electron exchange
Patent number
7,675,717
Issue date
Mar 9, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Wen-Yaung Lee
G11 - INFORMATION STORAGE
Information
Patent Grant
Pinned layer in magnetoresistive sensor
Patent number
7,646,569
Issue date
Jan 12, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Jinshan Li
G11 - INFORMATION STORAGE
Information
Patent Grant
GMR sensors with strongly pinning and pinned layers
Patent number
7,554,775
Issue date
Jun 30, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Jinshan Li
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus having improved magnetic read head sensors
Patent number
7,538,988
Issue date
May 26, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Jinshan Li
G11 - INFORMATION STORAGE
Information
Patent Grant
Epitaxial oxide cap layers for enhancing GMR performance
Patent number
7,446,985
Issue date
Nov 4, 2008
Agency for Science Technology and Research
Wen-yaung Lee
G11 - INFORMATION STORAGE
Information
Patent Grant
Enhanced anti-parallel-pinned sensor using thin ruthenium spacer an...
Patent number
7,408,747
Issue date
Aug 5, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Wen-Yaung Lee
G11 - INFORMATION STORAGE
Information
Patent Grant
MR sensor and thin film media having alloyed Ru antiparallel spacer...
Patent number
7,382,590
Issue date
Jun 3, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Mary Frances Doerner
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for resetting pinned layer magnetization in a magnetoresisti...
Patent number
7,370,404
Issue date
May 13, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Hardayal Singh Gill
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of fabricating magnetic sensors with pinned layers with zero...
Patent number
7,367,109
Issue date
May 6, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Jinshan Li
G11 - INFORMATION STORAGE
Information
Patent Grant
Current-in-the-plane spin valve magnetoresistive sensor with dual m...
Patent number
7,190,557
Issue date
Mar 13, 2007
Hitachi Global Storage Technologies Netherlands B.V.
Jinshan Li
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetic recording disk with ruthenium-aluminum layer
Patent number
6,846,543
Issue date
Jan 25, 2005
Hitachi Global Storage Technologies Netherlands, B.V.
Xiaoping Bian
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
WAVEGUIDE WITH REFLECTIVE GRATING FOR LOCALIZED ENERGY INTENSITY
Publication number
20160042753
Publication date
Feb 11, 2016
WESTERN DIGITAL (FREMONT), LLC
HONGXING YUAN
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD AND SYSTEM FOR PROVIDING AN ELECTRONIC LAPPING GUIDE CORRESP...
Publication number
20110294398
Publication date
Dec 1, 2011
WESTERN DIGITAL (FREMONT), LLC
Yufeng Hu
B24 - GRINDING POLISHING
Information
Patent Application
SERVO DESIGN IN DATA STORAGE MEDIA
Publication number
20100226038
Publication date
Sep 9, 2010
WESTERN DIGITAL (FREMONT), LLC
SHAOPING LI
G11 - INFORMATION STORAGE
Information
Patent Application
ENHANCED ANTI-PARALLEL-PINNED SENSOR USING THIN RUTHENIUM SPACER AN...
Publication number
20080285182
Publication date
Nov 20, 2008
Wen-Yaung Lee
G01 - MEASURING TESTING
Information
Patent Application
Magnetic read head having increased electron exchange
Publication number
20080137236
Publication date
Jun 12, 2008
Wen-Yaung Lee
G01 - MEASURING TESTING
Information
Patent Application
PINNED LAYER IN MAGNETORESISTIVE SENSOR
Publication number
20080019059
Publication date
Jan 24, 2008
Jinshan Li
G11 - INFORMATION STORAGE
Information
Patent Application
Method and apparatus for setting a sensor AFM with a superconductin...
Publication number
20060226940
Publication date
Oct 12, 2006
HITACHI GLOBAL STORAGE TECHNOLOGIES
Wen-yaung Lee
G11 - INFORMATION STORAGE
Information
Patent Application
GMR sensors with strongly pinning and pinned layers
Publication number
20060193089
Publication date
Aug 31, 2006
Jinshan Li
G11 - INFORMATION STORAGE
Information
Patent Application
MR sensor and thin film media having alloyed Ru antiparallel spacer...
Publication number
20060171084
Publication date
Aug 3, 2006
HITACHI GLOBAL STORAGE TECHNOLOGIES
Mary Frances Doerner
G01 - MEASURING TESTING
Information
Patent Application
Enhanced anti-parallel-pinned sensor using thin ruthenium spacer an...
Publication number
20060171083
Publication date
Aug 3, 2006
Wen-Yaung Lee
G01 - MEASURING TESTING
Information
Patent Application
Method of fabricating magnetic sensors with pinned layers with zero...
Publication number
20060168797
Publication date
Aug 3, 2006
Jinshan Li
G01 - MEASURING TESTING
Information
Patent Application
Method and apparatus having improved magnetic read head sensors
Publication number
20060067012
Publication date
Mar 30, 2006
Jinshan Li
G11 - INFORMATION STORAGE
Information
Patent Application
Current-in-the-plane spin valve magnetoresistive sensor with dual m...
Publication number
20050231853
Publication date
Oct 20, 2005
Jinshan Li
G11 - INFORMATION STORAGE
Information
Patent Application
Epitaxial oxide cap layers for enhancing GMR performance
Publication number
20050135004
Publication date
Jun 23, 2005
HITACHI GLOBAL STORAGE TECHNOLOGIES
Wen-yaung Lee
G11 - INFORMATION STORAGE
Information
Patent Application
Method of resetting AP pinned layers with a canted field
Publication number
20050011066
Publication date
Jan 20, 2005
Hardayal Singh Gill
G11 - INFORMATION STORAGE
Information
Patent Application
Thin film magnetic recording disk with ruthenium-aluminum layer
Publication number
20040213950
Publication date
Oct 28, 2004
Xiaoping Bian
G11 - INFORMATION STORAGE