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Yonghua Chen
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Edina, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic sensor manufacturing
Patent number
11,125,836
Issue date
Sep 21, 2021
Seagate Technology LLC
Qing He
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Reader with shape optimized for higher SNR
Patent number
11,004,466
Issue date
May 11, 2021
Seagate Technology LLC
Victor Sapozhnikov
G11 - INFORMATION STORAGE
Information
Patent Grant
Reader with shape optimized for higher SNR
Patent number
10,614,840
Issue date
Apr 7, 2020
Seagate Technology LLC
Victor Sapozhnikov
G11 - INFORMATION STORAGE
Information
Patent Grant
Multiple layer FePt structure
Patent number
9,899,050
Issue date
Feb 20, 2018
Seagate Technology LLC
Jiaoming Qiu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Magnetic sensor manufacturing
Patent number
9,880,232
Issue date
Jan 30, 2018
Seagate Technology LLC
Qing He
G11 - INFORMATION STORAGE
Information
Patent Grant
Dual writer head design
Patent number
9,773,517
Issue date
Sep 26, 2017
Seagate Technology LLC
Kaizhong Gao
G11 - INFORMATION STORAGE
Information
Patent Grant
Single coil turn data writer
Patent number
9,697,852
Issue date
Jul 4, 2017
Seagate Technology LLC
JianHua Xue
G11 - INFORMATION STORAGE
Information
Patent Grant
Multiple layer FePt structure
Patent number
9,520,151
Issue date
Dec 13, 2016
Seagate Technology LLC
Jiaoming Qui
C21 - METALLURGY OF IRON
Information
Patent Grant
Write head with coil structure aligned with yoke
Patent number
9,286,918
Issue date
Mar 15, 2016
Seagate Technology LLC
Jianhua Xue
G11 - INFORMATION STORAGE
Information
Patent Grant
Data writer with tapered side shield sidewalls
Patent number
9,218,824
Issue date
Dec 22, 2015
Seagate Technology LLC
Eric Shane Linville
G11 - INFORMATION STORAGE
Information
Patent Grant
Coil structure for write head
Patent number
9,159,340
Issue date
Oct 13, 2015
Seagate Technology LLC
Jiaoming Qiu
G11 - INFORMATION STORAGE
Information
Patent Grant
Write head with coil structure aligned with yoke
Patent number
9,082,428
Issue date
Jul 14, 2015
Seagate Technology LLC
Jianhua Xue
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic read head with a read function feature
Patent number
8,896,972
Issue date
Nov 25, 2014
Seagate Technology LLC
Kaizhong Gao
G11 - INFORMATION STORAGE
Information
Patent Grant
Data writer with tapered side shield sidewalls
Patent number
8,830,625
Issue date
Sep 9, 2014
Seagate Technology LLC
Eric Shane Linville
G11 - INFORMATION STORAGE
Information
Patent Grant
Transducer head with multiple read sensors
Patent number
8,724,252
Issue date
May 13, 2014
Seagate Technology LLC
Kaizhong Gao
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Trapezoidal back bias and trilayer reader geometry with predetermin...
Patent number
8,724,265
Issue date
May 13, 2014
Seagate Technology LLC
Jiaoming Qiu
G11 - INFORMATION STORAGE
Information
Patent Grant
Data reader with heusler alloy reference lamination
Patent number
8,675,319
Issue date
Mar 18, 2014
Seagate Technology LLC
Qing He
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Multilayer hard magnet and data storage device read/write head inco...
Patent number
8,632,897
Issue date
Jan 21, 2014
Seagate Technology LLC
Hua Yuan
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic sensor with non-rectangular geometry
Patent number
8,582,251
Issue date
Nov 12, 2013
Seagate Technology LLC
Kaizhong Gao
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Double biasing for trilayer MR sensors
Patent number
8,582,250
Issue date
Nov 12, 2013
Seagate Technology LLC
Jiaoming Qiu
B82 - NANO-TECHNOLOGY
Information
Patent Grant
CCP-CPP magnetoresistive reader with high GMR value
Patent number
8,551,626
Issue date
Oct 8, 2013
Seagate Technology LLC
Qing He
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic tunnel junction having coherent tunneling structure
Patent number
8,513,752
Issue date
Aug 20, 2013
Seagate Technology LLC
Xilin Peng
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Transducer head with multiple read sensors
Patent number
8,508,880
Issue date
Aug 13, 2013
Seagate Technology LLC
Kaizhong Gao
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic device definition with uniform biasing control
Patent number
8,318,030
Issue date
Nov 27, 2012
Seagate Technology LLC
Xilin Peng
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic tunnel junction having coherent tunneling structure
Patent number
8,294,228
Issue date
Oct 23, 2012
Seagate Technology LLC
Xilin Peng
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic sensor including an element for generating signals related...
Patent number
8,248,737
Issue date
Aug 21, 2012
Seagate Technology LLC
Yonghua Chen
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive sensor with synthetic antiferromagnetic cap or see...
Patent number
8,238,063
Issue date
Aug 7, 2012
Seagate Technology LLC
Jiaoming Qiu
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetoresistive reader with demagnetization flux guide
Patent number
8,238,062
Issue date
Aug 7, 2012
Seagate Technology LLC
Yonghua Chen
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tunnel junction having coherent tunneling structure
Patent number
8,183,653
Issue date
May 22, 2012
Seagate Technology LLC
Xilin Peng
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method for preparing FePt media at low ordering temperature and fab...
Patent number
8,133,332
Issue date
Mar 13, 2012
Seagate Technology LLC
Jiaoming Qiu
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
MAGNETIC SENSOR MANUFACTURING
Publication number
20210389387
Publication date
Dec 16, 2021
SEAGATE TECHNOLOGY LLC
Qing He
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC SENSOR MANUFACTURING
Publication number
20180120387
Publication date
May 3, 2018
SEAGATE TECHNOLOGY LLC
Qing He
G01 - MEASURING TESTING
Information
Patent Application
SINGLE COIL TURN DATA WRITER
Publication number
20170133043
Publication date
May 11, 2017
Seagate Technology LLC
JianHua Xue
G11 - INFORMATION STORAGE
Information
Patent Application
Multiple Layer FEPT Structure
Publication number
20170092317
Publication date
Mar 30, 2017
Seagate Technology LLC
Jiaoming Qui
B32 - LAYERED PRODUCTS
Information
Patent Application
DUAL WRITER HEAD DESIGN
Publication number
20160148629
Publication date
May 26, 2016
SEAGATE TECHNOLOGY LLC
Kaizhong Gao
G11 - INFORMATION STORAGE
Information
Patent Application
WRITE HEAD WITH COIL STRUCTURE ALIGNED WITH YOKE
Publication number
20160064018
Publication date
Mar 3, 2016
SEAGATE TECHNOLOGY LLC
Jianhua Xue
G11 - INFORMATION STORAGE
Information
Patent Application
INTEGRATED TOOL FOR FABRICATING AN ELECTRONIC COMPONENT
Publication number
20150041429
Publication date
Feb 12, 2015
SEAGATE TECHNOLOGY LLC
Xilin Peng
G11 - INFORMATION STORAGE
Information
Patent Application
Data Writer with Tapered Side Shield Sidewalls
Publication number
20140376131
Publication date
Dec 25, 2014
Seagate Technology LLC
Eric Shane Linville
G11 - INFORMATION STORAGE
Information
Patent Application
READ SENSOR FOR RECORDING HEAD
Publication number
20140168818
Publication date
Jun 19, 2014
SEAGATE TECHNOLOGY LLC
Victor Boris Sapozhnikov
G11 - INFORMATION STORAGE
Information
Patent Application
Data Writer with Tapered Side Shield Sidewalls
Publication number
20140146417
Publication date
May 29, 2014
SEAGATE TECHNOLOGY LLC
Eric Shane Linville
G11 - INFORMATION STORAGE
Information
Patent Application
TRANSDUCER HEAD WITH MULTIPLE READ SENSORS
Publication number
20130314816
Publication date
Nov 28, 2013
SEAGATE TECHNOLOGY LLC
Kaizhong Gao
B82 - NANO-TECHNOLOGY
Information
Patent Application
MAGNETIC SENSOR MANUFACTURING
Publication number
20130244192
Publication date
Sep 19, 2013
SEAGATE TECHNOLOGY LLC
Qing He
G01 - MEASURING TESTING
Information
Patent Application
MULTIPLE LAYER FEPT STRUCTURE
Publication number
20130209835
Publication date
Aug 15, 2013
SEAGATE TECHNOLOGY LLC
Jiaoming Qui
B32 - LAYERED PRODUCTS
Information
Patent Application
Trapezoidal Back Bias and Trilayer Reader Geometry to Enhance Devic...
Publication number
20130128390
Publication date
May 23, 2013
Seagate Technology LLC
Jiaoming Qiu
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TUNNEL JUNCTION HAVING COHERENT TUNNELING STRUCTURE
Publication number
20130001721
Publication date
Jan 3, 2013
Seagate Technology LLC
Xilin Peng
B82 - NANO-TECHNOLOGY
Information
Patent Application
Current Perpendicular to the Plane Reader with Giant Magneto-Resist...
Publication number
20120295131
Publication date
Nov 22, 2012
Seagate Technology LLC
Qing He
G01 - MEASURING TESTING
Information
Patent Application
MAGNETIC TUNNEL JUNCTION HAVING COHERENT TUNNELING STRUCTURE
Publication number
20120217598
Publication date
Aug 30, 2012
Seagate Technology LLC
Xilin Peng
B82 - NANO-TECHNOLOGY
Information
Patent Application
TRANSDUCER HEAD WITH MULTIPLE READ SENSORS
Publication number
20120206830
Publication date
Aug 16, 2012
Seagate Technology LLC
Kaizhong Gao
G11 - INFORMATION STORAGE
Information
Patent Application
MULTILAYER STRUCTURE WITH HIGH ORDERED FePt LAYER
Publication number
20120171519
Publication date
Jul 5, 2012
Seagate Technology LLC
Jiaoming Qiu
C21 - METALLURGY OF IRON
Information
Patent Application
CURRENT PERPENDICULAR TO THE PLANE READER WITH IMPROVED GIANT MAGNE...
Publication number
20110200845
Publication date
Aug 18, 2011
Seagate Technology LLC
Qing He
G01 - MEASURING TESTING
Information
Patent Application
MAGNETIC READ HEAD
Publication number
20110194213
Publication date
Aug 11, 2011
Seagate Technology LLC
Kaizhong Gao
G11 - INFORMATION STORAGE
Information
Patent Application
DOUBLE BIASING FOR TRILAYER MR SENSORS
Publication number
20110134572
Publication date
Jun 9, 2011
Seagate Technology LLC
Jiaoming Qiu
G01 - MEASURING TESTING
Information
Patent Application
NON RECTANGULAR READER FOR ULTRA HIGH DENSITY MAGNETIC RECORDING
Publication number
20110051294
Publication date
Mar 3, 2011
Seagate Technology LLC
Kaizhong Gao
G01 - MEASURING TESTING
Information
Patent Application
TRAPEZOIDAL READER FOR ULTRA HIGH DENSITY MAGNETIC RECORDING
Publication number
20110050211
Publication date
Mar 3, 2011
Seagate Technology LLC
Kaizhong Gao
G01 - MEASURING TESTING
Information
Patent Application
TRAPEZOIDAL BACK BIAS AND TRILAYER READER GEOMETRY TO ENHANCE DEVIC...
Publication number
20110007426
Publication date
Jan 13, 2011
Seagate Technology LLC
Jiaoming Qiu
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETORESISTIVE SENSOR WITH SYNTHETIC ANTIFERROMAGNETIC CAP OR SEE...
Publication number
20110007427
Publication date
Jan 13, 2011
Seagate Technology LLC
Jiaoming Qiu
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic Device Definition with Uniform Biasing Control
Publication number
20110006033
Publication date
Jan 13, 2011
Seagate Technology LLC
Xilin Peng
G01 - MEASURING TESTING
Information
Patent Application
MAGNETIC TUNNEL JUNCTION HAVING COHERENT TUNNELING STRUCTURE
Publication number
20110006384
Publication date
Jan 13, 2011
Seagate Technology LLC
Xilin Peng
B82 - NANO-TECHNOLOGY
Information
Patent Application
MAGNETORESISTIVE READER WITH DEMAGNETIZATION FLUX GUIDE
Publication number
20100328823
Publication date
Dec 30, 2010
Seagate Technology LLC
Yonghua Chen
G01 - MEASURING TESTING
Information
Patent Application
CCP-CPP MAGNETORESISTIVE READER WITH HIGH GMR VALUE
Publication number
20100330394
Publication date
Dec 30, 2010
Seagate Technology LLC
Qing He
G01 - MEASURING TESTING