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Yufeng Hu
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Fremont, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method for providing a near-field transducer (NFT) for a heat assis...
Patent number
9,881,638
Issue date
Jan 30, 2018
Western Digital (Fremont), LLC
Kris Vossough
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat assisted magnetic recording head having a plurality of diffusi...
Patent number
9,449,625
Issue date
Sep 20, 2016
Western Digital (Fremont), LLC
Kris Vossough
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for compensating for phase variations in an interferometric...
Patent number
9,286,920
Issue date
Mar 15, 2016
Western Digital (Fremont), LLC
Yufeng Hu
G11 - INFORMATION STORAGE
Information
Patent Grant
System for adjusting lapping of a transducer using a disk windage
Patent number
9,087,537
Issue date
Jul 21, 2015
Western Digital (Fremont), LLC
Steven C. Rudy
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for providing a structure having reduced voids in a magnetic...
Patent number
9,087,542
Issue date
Jul 21, 2015
Western Digital (Fremont), LLC
Yufeng Hu
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
Method and system for providing an energy assisted magnetic recordi...
Patent number
8,834,728
Issue date
Sep 16, 2014
Western Digital (Fremont), LLC
Yufeng Hu
G11 - INFORMATION STORAGE
Information
Patent Grant
Bi-layer NFT-core spacer for EAMR system and method of making the same
Patent number
8,773,956
Issue date
Jul 8, 2014
Western Digital (Fremont), LLC
Zhongyan Wang
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for adjusting lapping of a transducer using a dis...
Patent number
8,758,083
Issue date
Jun 24, 2014
Western Digital (Fremont), LLC
Steven C. Rudy
G11 - INFORMATION STORAGE
Information
Patent Grant
Methods and apparatuses for performing wafer level characterization...
Patent number
8,753,903
Issue date
Jun 17, 2014
Western Digital (Fremont), LLC
Shawn M. Tanner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Structure and method to measure waveguide power absorption by surfa...
Patent number
8,749,790
Issue date
Jun 10, 2014
Western Digital (Fremont), LLC
Shawn M. Tanner
G01 - MEASURING TESTING
Information
Patent Grant
Method and system for providing an energy assisted magnetic recordi...
Patent number
8,721,902
Issue date
May 13, 2014
Western Digital (Fremont), LLC
Zhongyan Wang
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for optically coupling a laser with a transducer...
Patent number
8,670,295
Issue date
Mar 11, 2014
Western Digital (Fremont), LLC
Yufeng Hu
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for providing an energy assisted magnetic recordi...
Patent number
8,634,280
Issue date
Jan 21, 2014
Western Digital (Fremont), LLC
Zhongyan Wang
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for reducing thermal protrusion of an NFT
Patent number
8,565,049
Issue date
Oct 22, 2013
Western Digital (Fremont), LLC
Shawn M. Tanner
G11 - INFORMATION STORAGE
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 providing an NFT using a sacrificial NFT stru...
Patent number
8,491,801
Issue date
Jul 23, 2013
Western Digital (Fremont), LLC
Shawn M. Tanner
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
Method and system for providing a magnetic recording transducer hav...
Patent number
8,385,158
Issue date
Feb 26, 2013
Western Digital (Fremont), LLC
Yufeng Hu
G11 - INFORMATION STORAGE
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
Double hard-mask mill back method of fabricating a near field trans...
Patent number
8,343,364
Issue date
Jan 1, 2013
Western Digital (Fremont), LLC
Wei Gao
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for providing an energy assisted magnetic recording (EAMR) t...
Patent number
8,307,540
Issue date
Nov 13, 2012
Western Digital (Fremont), LLC
Ut Tran
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for coupling a laser with a slider in an energy a...
Patent number
8,279,719
Issue date
Oct 2, 2012
Western Digital (Fremont), LLC
Yufeng Hu
G11 - INFORMATION STORAGE
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
Energy assisted magnetic recording head having a near field transdu...
Patent number
8,208,350
Issue date
Jun 26, 2012
Western Digital (Fremont), LLC
Yufeng Hu
G11 - INFORMATION STORAGE
Information
Patent Grant
High efficiency grating coupling for light delivery in EAMR
Patent number
8,200,054
Issue date
Jun 12, 2012
Western Digital (Fremont), LLC
Ruolin 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
Reducing thermal protrusion of a near field transducer in an energy...
Patent number
8,077,418
Issue date
Dec 13, 2011
Western Digital (Fremont), LLC
Yufeng Hu
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
NEAR-FIELD TRANSDUCER (NFT) FOR A HEAT ASSISTED MAGNETIC RECORDING...
Publication number
20180122407
Publication date
May 3, 2018
WESTERN DIGITAL (FREMONT), LLC
KRIS VOSSOUGH
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