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Yuankai Zheng
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Fremont, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Read sensor with ordered heusler alloy free layer and semiconductor...
Patent number
12,106,784
Issue date
Oct 1, 2024
Western Digital Technologies, Inc.
Yuankai Zheng
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive device comprising a synthetic antiferromagnetic co...
Patent number
12,040,114
Issue date
Jul 16, 2024
Western Digital Technologies, Inc.
Susumu Okamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic elements of amorphous based dual free layer structures and...
Patent number
11,776,725
Issue date
Oct 3, 2023
Western Digital Technologies, Inc.
Zhitao Diao
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic sensor array with different RA TMR film
Patent number
11,598,828
Issue date
Mar 7, 2023
Western Digital Technologies, Inc.
Yuankai Zheng
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic sensor with dual TMR films and the method of making the same
Patent number
11,493,573
Issue date
Nov 8, 2022
Western Digital Technologies, Inc.
Chih-Ching Hu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic sensor array with single TMR film plus laser annealing and...
Patent number
11,495,252
Issue date
Nov 8, 2022
Western Digital Technologies, Inc.
Yuankai Zheng
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic elements of amorphous based dual free layer structures and...
Patent number
11,430,592
Issue date
Aug 30, 2022
Western Digital Technologies, Inc.
Zhitao Diao
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic sensor array with one TMR stack having two free layers
Patent number
11,415,645
Issue date
Aug 16, 2022
Western Digital Technologies, Inc.
Yuankai Zheng
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic sensor array with dual TMR film
Patent number
11,385,305
Issue date
Jul 12, 2022
Western Digital Technologies, Inc.
Yuankai Zheng
G01 - MEASURING TESTING
Information
Patent Grant
TMR sensor with magnetic tunnel junctions with shape anisotropy
Patent number
11,385,306
Issue date
Jul 12, 2022
Western Digital Technologies, Inc.
Daniele Mauri
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Spin torque oscillator with an antiferromagnetically coupled assist...
Patent number
11,239,016
Issue date
Feb 1, 2022
Western Digital Technologies, Inc.
Yuankai Zheng
B82 - NANO-TECHNOLOGY
Information
Patent Grant
MAMR head with synthetic antiferromagnetic (SAF) coupled notch
Patent number
11,211,083
Issue date
Dec 28, 2021
Western Digital Technologies, Inc.
Yuankai Zheng
G11 - INFORMATION STORAGE
Information
Patent Grant
Large field range TMR sensor using free layer exchange pinning
Patent number
11,209,505
Issue date
Dec 28, 2021
Western Digital Technologies, Inc.
Daniele Mauri
G11 - INFORMATION STORAGE
Information
Patent Grant
TMR sensor with magnetic tunnel junctions with a free layer having...
Patent number
11,199,594
Issue date
Dec 14, 2021
Western Digital Technologies, Inc.
Daniele Mauri
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Bottom leads chemical mechanical planarization for TMR magnetic sen...
Patent number
11,201,280
Issue date
Dec 14, 2021
Western Digital Technologies, Inc.
Ronghui Zhou
G11 - INFORMATION STORAGE
Information
Patent Grant
Dual free layer TMR magnetic field sensor
Patent number
11,169,227
Issue date
Nov 9, 2021
Western Digital Technologies, Inc.
Chih-Ching Hu
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic sensor array with single TMR film plus laser annealing and...
Patent number
11,170,806
Issue date
Nov 9, 2021
Western Digital Technologies, Inc.
Yuankai Zheng
G11 - INFORMATION STORAGE
Information
Patent Grant
Spin torque oscillator with an antiferromagnetically coupled assist...
Patent number
11,171,605
Issue date
Nov 9, 2021
Western Digital Technologies, Inc.
Yuankai Zheng
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic sensor with serial resistor for asymmetric sensing field r...
Patent number
11,169,228
Issue date
Nov 9, 2021
Western Digital Technologies, Inc.
Yung-Hung Wang
G11 - INFORMATION STORAGE
Information
Patent Grant
Ultra-low RA and high TMR magnetic sensor with radiation reflective...
Patent number
11,125,840
Issue date
Sep 21, 2021
Western Digital Technologies, Inc.
Yuankai Zheng
G11 - INFORMATION STORAGE
Information
Patent Grant
Read head including semiconductor spacer and long spin diffusion le...
Patent number
10,755,733
Issue date
Aug 25, 2020
SanDisk Technologies LLC
Yuankai Zheng
G11 - INFORMATION STORAGE
Information
Patent Grant
Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sens...
Patent number
10,249,329
Issue date
Apr 2, 2019
Western Digital Technologies, Inc.
Chih-Ching Hu
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic reader having a nonmagnetic insertion layer for the pinnin...
Patent number
10,242,700
Issue date
Mar 26, 2019
Western Digital (Fremont), LLC
Joshua Jones
G11 - INFORMATION STORAGE
Information
Patent Grant
Free layer magnetic reader that may have a reduced shield-to-shield...
Patent number
10,121,501
Issue date
Nov 6, 2018
Western Digital (Fremont), LLC
Gerardo A. Bertero
G11 - INFORMATION STORAGE
Information
Patent Grant
Free layer only magnetic reader that may have a reduced shield-to-s...
Patent number
10,068,601
Issue date
Sep 4, 2018
Western Digital (Fremont), LLC
Shaoping Li
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording read heads with a multi-layer AFM layer methods and appar...
Patent number
10,008,219
Issue date
Jun 26, 2018
Western Digital (Fremont), LLC
Yuankai Zheng
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for providing a multilayer AFM layer in a read sensor
Patent number
9,858,951
Issue date
Jan 2, 2018
Western Digital (Fremont), LLC
Yuankai Zheng
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic reader having a nonmagnetic insertion layer for the pinnin...
Patent number
9,842,615
Issue date
Dec 12, 2017
Western Digital (Fremont), LLC
Joshua Jones
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic read head with antiferromagentic layer
Patent number
9,830,936
Issue date
Nov 28, 2017
Western Digital (Fremont), LLC
Shaoping Li
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic read apparatus having multiple read sensors with reduced s...
Patent number
9,786,305
Issue date
Oct 10, 2017
Western Digital (Fremont), LLC
Shaoping Li
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Read Sensor With Ordered Heusler Alloy Free Layer and Semiconductor...
Publication number
20240194221
Publication date
Jun 13, 2024
Western Digital Technologies, Inc.
Yuankai ZHENG
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetoresistive Devices Comprising A Synthetic Antiferromagnetic C...
Publication number
20240107893
Publication date
Mar 28, 2024
Western Digital Technologies, Inc.
Susumu OKAMURA
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetoresistive Device Comprising A Synthetic Antiferromagnetic Co...
Publication number
20240087785
Publication date
Mar 14, 2024
Western Digital Technologies, Inc.
Susumu OKAMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETIC ELEMENTS OF AMORPHOUS BASED DUAL FREE LAYER STRUCTURES AND...
Publication number
20220367099
Publication date
Nov 17, 2022
Western Digital Technologies, Inc.
Zhitao DIAO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Magnetic Elements of Amorphous Based Dual Free Layer Structures and...
Publication number
20220093305
Publication date
Mar 24, 2022
Western Digital Technologies, Inc.
Zhitao DIAO
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic Sensor Array With Single TMR Film Plus Laser Annealing And...
Publication number
20220005500
Publication date
Jan 6, 2022
Western Digital Technologies, Inc.
Yuankai ZHENG
G01 - MEASURING TESTING
Information
Patent Application
SPIN TORQUE OSCILLATOR WITH AN ANTIFERROMAGNETICALLY COUPLED ASSIST...
Publication number
20210375518
Publication date
Dec 2, 2021
Western Digital Technologies, Inc.
Yuankai Zheng
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SPIN TORQUE OSCILLATOR WITH AN ANTIFERROMAGNETICALLY COUPLED ASSIST...
Publication number
20210376793
Publication date
Dec 2, 2021
Western Digital Technologies, Inc.
Yuankai Zheng
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Ultra-low RA and high TMR magnetic sensor with radiation reflective...
Publication number
20210255256
Publication date
Aug 19, 2021
Western Digital Technologies, Inc.
Yuankai ZHENG
G01 - MEASURING TESTING
Information
Patent Application
Magnetic Sensor Array with Single TMR Film Plus Laser Annealing and...
Publication number
20210201943
Publication date
Jul 1, 2021
Western Digital Technologies, Inc.
Yuankai ZHENG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Magnetic Sensor with Dual TMR Films and the Method of Making the Same
Publication number
20210063502
Publication date
Mar 4, 2021
Western Digital Technologies, Inc.
Chih-Ching HU
G01 - MEASURING TESTING
Information
Patent Application
Magnetic Sensor Array with Dual TMR Film
Publication number
20210063504
Publication date
Mar 4, 2021
Western Digital Technologies, Inc.
Yuankai ZHENG
G01 - MEASURING TESTING
Information
Patent Application
Magnetic Sensor Array with Different RA TMR Film
Publication number
20210063507
Publication date
Mar 4, 2021
Western Digital Technologies, Inc.
Yuankai ZHENG
G01 - MEASURING TESTING
Information
Patent Application
TMR Sensor with Magnetic Tunnel Junctions with a Free Layer Having...
Publication number
20210063500
Publication date
Mar 4, 2021
Western Digital Technologies, Inc.
Daniele MAURI
B82 - NANO-TECHNOLOGY
Information
Patent Application
Large Field Range TMR Sensor using Free Layer Exchange Pinning
Publication number
20210063505
Publication date
Mar 4, 2021
Western Digital Technologies, Inc.
Daniele MAURI
G01 - MEASURING TESTING
Information
Patent Application
Magnetic Sensor with Serial Resistor for Asymmetric Sensing Field R...
Publication number
20210063509
Publication date
Mar 4, 2021
Western Digital Technologies, Inc.
Yung-Hung WANG
G01 - MEASURING TESTING
Information
Patent Application
Dual Free Layer TMR Magnetic Field Sensor
Publication number
20210063508
Publication date
Mar 4, 2021
Western Digital Technologies, Inc.
Chih-Ching HU
G01 - MEASURING TESTING
Information
Patent Application
Magnetic Sensor Array With One TMR Stack Having Two Free Layers
Publication number
20210055361
Publication date
Feb 25, 2021
Western Digital Technologies, Inc.
Yuankai ZHENG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TMR Sensor with Magnetic Tunnel Junctions with Shape Anisotropy
Publication number
20210055360
Publication date
Feb 25, 2021
Western Digital Technologies, Inc.
Daniele MAURI
B82 - NANO-TECHNOLOGY
Information
Patent Application
Bottom Leads Chemical Mechanical Planarization for TMR Magnetic Sen...
Publication number
20210057638
Publication date
Feb 25, 2021
Western Digital Technologies, Inc.
Ronghui ZHOU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
READ HEAD INCLUDING SEMICONDUCTOR SPACER AND LONG SPIN DIFFUSION LE...
Publication number
20200286508
Publication date
Sep 10, 2020
SANDISK TECHNOLOGIES LLC
Yuankai ZHENG
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC READER HAVING A NONMAGNETIC INSERTION LAYER FOR THE PINNIN...
Publication number
20180075869
Publication date
Mar 15, 2018
WESTERN DIGITAL (FREMONT), LLC
Joshua JONES
G11 - INFORMATION STORAGE
Information
Patent Application
FREE LAYER MAGNETIC READER THAT MAY HAVE A REDUCED SHIELD-TO-SHIELD...
Publication number
20170249959
Publication date
Aug 31, 2017
WESTERN DIGITAL (FREMONT), LLC
GERARDO A. BERTERO
G11 - INFORMATION STORAGE
Information
Patent Application
RECORDING READ HEADS WITH A MULTI-LAYER AFM LAYER METHODS AND APPAR...
Publication number
20160260447
Publication date
Sep 8, 2016
WESTERN DIGITAL (FREMONT), LLC
YUANKAI ZHENG
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MAGNETIC READ HEAD WITH ANTIFERROMAGENTIC LAYER
Publication number
20160180870
Publication date
Jun 23, 2016
WESTERN DIGITAL (FREMONT), LLC
SHAOPING LI
G11 - INFORMATION STORAGE
Information
Patent Application
SPIN TRANSFER TORQUE TUNNELING MAGNETORESISTIVE DEVICE HAVING A LA...
Publication number
20160163961
Publication date
Jun 9, 2016
WESTERN DIGITAL (FREMONT), LLC
Shaoping Li
G11 - INFORMATION STORAGE
Information
Patent Application
HEATED AFM LAYER DEPOSITION AND COOLING PROCESS FOR TMR MAGNETIC RE...
Publication number
20150380026
Publication date
Dec 31, 2015
WESTERN DIGITAL (FREMONT), LLC
YUANKAI ZHENG
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC READ HEAD WITH ANTIFERROMAGNETIC LAYER
Publication number
20150109702
Publication date
Apr 23, 2015
WESTERN DIGITAL (FREMONT), LLC
SHAOPING LI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETORESISTIVE SENSOR FOR A MAGNETIC STORAGE SYSTEM READ HEAD, AN...
Publication number
20140154529
Publication date
Jun 5, 2014
WESTERN DIGITAL (FREMONT), LLC
Cheng-Han YANG
B82 - NANO-TECHNOLOGY
Information
Patent Application
Magnetic Memory Element with Multi-Domain Storage Layer
Publication number
20130292784
Publication date
Nov 7, 2013
Seagate Technology LLC
Haiwen Xi
G11 - INFORMATION STORAGE