Yunfei Ding

Person

Milpitas, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dual FGL and dual SPL spintronic device to reduce perpendicular fie...
- Patent number 12,190,919
- Issue date Jan 7, 2025
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
Spintronic device comprising dual FGL and dual SPL to reduce perpen...
- Patent number 12,190,920
- Issue date Jan 7, 2025
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
System controlled RF signal source architecture with transducer nea...
- Patent number 12,183,372
- Issue date Dec 31, 2024
- Western Digital Technologies, Inc.
- John T. Contreras
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head with an SOT device coupled with side shield
- Patent number 12,057,146
- Issue date Aug 6, 2024
- Western Digital Technologies, Inc.
- Shengjie Shi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head with assisting electric current in trailing...
- Patent number 11,900,971
- Issue date Feb 13, 2024
- Western Digital Technologies, Inc.
- Alexander Goncharov
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head having leads over the trailing shield for a...
- Patent number 11,894,026
- Issue date Feb 6, 2024
- Western Digital Technologies, Inc.
- Alexander Goncharov
- G11 - INFORMATION STORAGE
Information Patent Grant
Cross track current design for energy assisted magnetic recording
- Patent number 11,881,237
- Issue date Jan 23, 2024
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording devices having external alternating current sources
- Patent number 11,869,548
- Issue date Jan 9, 2024
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
Device lifetime improvement through constant temperature
- Patent number 11,776,568
- Issue date Oct 3, 2023
- Western Digital Technologies, Inc.
- Yu Lo
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording devices having cross-track current flow to facil...
- Patent number 11,508,401
- Issue date Nov 22, 2022
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage devices with integrated slider voltage potential control
- Patent number 11,276,424
- Issue date Mar 15, 2022
- Western Digital Technologies, Inc.
- John Contreras
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage devices with integrated slider voltage potential control
- Patent number 11,087,784
- Issue date Aug 10, 2021
- Western Digital Technologies, Inc.
- John Contreras
- G11 - INFORMATION STORAGE
Information Patent Grant
MAMR writer with low resistance MAMR stack
- Patent number 11,049,514
- Issue date Jun 29, 2021
- Western Digital Technologies, Inc.
- Michael Kuok San Ho
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording devices and methods using a write-field-enhancem...
- Patent number 10,957,346
- Issue date Mar 23, 2021
- Western Digital Technologies, Inc.
- Gonçalo Marcos Baião De Albuquerque
- G11 - INFORMATION STORAGE
Information Patent Grant
High-bandwidth STO bias architecture with integrated slider voltage...
- Patent number 10,891,973
- Issue date Jan 12, 2021
- Western Digital Technologies, Inc.
- John Contreras
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device reverse biasing head element to counter electro...
- Patent number 10,825,474
- Issue date Nov 3, 2020
- Western Digital Technologies, Inc.
- Joey M. Poss
- G11 - INFORMATION STORAGE
Information Patent Grant
MAMR writer with low resistance MAMR stack
- Patent number 10,741,202
- Issue date Aug 11, 2020
- Western Digital Technologies, Inc.
- Michael Kuok San Ho
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for writing to magnetic media using an AC bias...
- Patent number 10,643,642
- Issue date May 5, 2020
- Western Digital Technologies, Inc.
- Gonçalo Marcos Baião De Albuquerque
- G11 - INFORMATION STORAGE
Information Patent Grant
High-bandwidth STO bias architecture with integrated slider voltage...
- Patent number 10,629,229
- Issue date Apr 21, 2020
- Western Digital Technologies, Inc.
- John Contreras
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device reverse biasing head element to counter electro...
- Patent number 10,566,018
- Issue date Feb 18, 2020
- Western Digital Technologies, Inc.
- Joey M. Poss
- G11 - INFORMATION STORAGE
Information Patent Grant
High-bandwidth STO bias architecture with integrated slider voltage...
- Patent number 10,424,323
- Issue date Sep 24, 2019
- Western Digital Technologies, Inc.
- John Contreras
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for writing to magnetic media using an AC bias...
- Patent number 10,388,305
- Issue date Aug 20, 2019
- Western Digital Technologies, Inc.
- Gonçalo Marcos Baião De Albuquerque
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin transfer torque tunneling magnetoresistive device having a lam...
- Patent number 9,705,072
- Issue date Jul 11, 2017
- Western Digital (Fremont), LLC
- Shaoping Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin transfer torque tunneling magnetoresistive device having a lam...
- Patent number 9,236,560
- Issue date Jan 12, 2016
- Western Digital (Fremont), LLC
- Shaoping Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus and method for middle shield connection in magnetic recor...
- Patent number 9,087,527
- Issue date Jul 21, 2015
- Western Digital (Fremont), LLC
- Shaoping Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing a read transducer having soft and h...
- Patent number 9,087,534
- Issue date Jul 21, 2015
- Western Digital (Fremont), LLC
- Laurence L. Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Touchdown sensor having a more stable crystal structure for use in...
- Patent number 9,047,902
- Issue date Jun 2, 2015
- Western Digital (Fremont), LLC
- Chengtao R. Yu
- G11 - INFORMATION STORAGE
Information Patent Grant
Laminated touchdown sensor for hard disk drives
- Patent number 8,837,081
- Issue date Sep 16, 2014
- Western Digital (Fremont), LLC
- Chengtao R. Yu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing a read transducer having soft and h...
- Patent number 8,760,823
- Issue date Jun 24, 2014
- Western Digital (Fremont), LLC
- Laurence L. Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing magnetic elements having enhanced m...
- Patent number 8,378,438
- Issue date Feb 19, 2013
- Grandis, Inc.
- Dmytro Apalkov
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC RECORDING HEAD WITH CURRENT PATH BETWEEN TRAILING SHIELD A...
- Publication number 20240355353
- Publication date Oct 24, 2024
- Western Digital Technologies, Inc.
- Muhammad ASIF BASHIR
- G11 - INFORMATION STORAGE
Information Patent Application
Dynamic DC Field Compensator for MAMR Recording Head
- Publication number 20240321296
- Publication date Sep 26, 2024
- Western Digital Technologies, Inc.
- Alexander GONCHAROV
- G11 - INFORMATION STORAGE
Information Patent Application
SYSTEM CONTROLLED RF SIGNAL SOURCE ARCHITECTURE WITH TRANSDUCER NEA...
- Publication number 20240203449
- Publication date Jun 20, 2024
- Western Digital Technologies, Inc.
- John T. Contreras
- G11 - INFORMATION STORAGE
Information Patent Application
DUAL FGL AND DUAL SPL SPINTRONIC DEVICE TO REDUCE PERPENDICULAR FIE...
- Publication number 20240144962
- Publication date May 2, 2024
- Western Digital Technologies, Inc.
- Muhammad ASIF BASHIR
- G11 - INFORMATION STORAGE
Information Patent Application
SPINTRONIC DEVICE COMPRISING DUAL FGL AND DUAL SPL TO REDUCE PERPEN...
- Publication number 20240144963
- Publication date May 2, 2024
- Western Digital Technologies, Inc.
- Muhammad ASIF BASHIR
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic Recording Head With Assisting Electric Current In Trailing...
- Publication number 20240144964
- Publication date May 2, 2024
- Western Digital Technologies, Inc.
- Alexander GONCHAROV
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic Recording Devices Having External Alternating Current Sources
- Publication number 20240112694
- Publication date Apr 4, 2024
- Western Digital Technologies, Inc.
- Muhammad ASIF BASHIR
- G11 - INFORMATION STORAGE
Information Patent Application
DC AND SYNCHRONIZED ENERGY ASSISTED PERPENDICULAR MAGNETIC RECORDIN...
- Publication number 20240105217
- Publication date Mar 28, 2024
- Western Digital Technologies, Inc.
- Joey M. Poss
- G11 - INFORMATION STORAGE
Information Patent Application
Device Lifetime Improvement Through Constant Temperature
- Publication number 20230267954
- Publication date Aug 24, 2023
- Western Digital Technologies, Inc.
- Yu LO
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICES WITH INTEGRATED SLIDER VOLTAGE POTENTIAL CONTROL
- Publication number 20210327462
- Publication date Oct 21, 2021
- Western Digital Technologies, Inc.
- John CONTRERAS
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING DEVICES AND METHODS USING A WRITE-FIELD-ENHANCEM...
- Publication number 20200349967
- Publication date Nov 5, 2020
- Western Digital Technologies, Inc.
- Gonçalo Marcos Baião DE ALBUQUERQUE
- G11 - INFORMATION STORAGE
Information Patent Application
MAMR Writer With Low Resistance MAMR Stack
- Publication number 20200349968
- Publication date Nov 5, 2020
- Western Digital Technologies, Inc.
- Michael Kuok San HO
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICES WITH INTEGRATED SLIDER VOLTAGE POTENTIAL CONTROL
- Publication number 20200349969
- Publication date Nov 5, 2020
- Western Digital Technologies, Inc.
- John CONTRERAS
- G11 - INFORMATION STORAGE
Information Patent Application
HIGH-BANDWIDTH STO BIAS ARCHITECTURE WITH INTEGRATED SLIDER VOLTAGE...
- Publication number 20200211584
- Publication date Jul 2, 2020
- Western Digital Technologies, Inc.
- John CONTRERAS
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE REVERSE BIASING HEAD ELEMENT TO COUNTER ELECTRO...
- Publication number 20200168247
- Publication date May 28, 2020
- Western Digital Technologies, Inc.
- Joey M. POSS
- G11 - INFORMATION STORAGE
Information Patent Application
HIGH-BANDWIDTH STO BIAS ARCHITECTURE WITH INTEGRATED SLIDER VOLTAGE...
- Publication number 20190362744
- Publication date Nov 28, 2019
- Western Digital Technologies, Inc.
- John CONTRERAS
- G11 - INFORMATION STORAGE
Information Patent Application
APPARATUS AND METHOD FOR WRITING TO MAGNETIC MEDIA USING AN AC BIAS...
- Publication number 20190325902
- Publication date Oct 24, 2019
- Western Digital Technologies, Inc.
- Gonçalo Marcos Baião DE ALBUQUERQUE
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE REVERSE BIASING HEAD ELEMENT TO COUNTER ELECTRO...
- Publication number 20190295580
- Publication date Sep 26, 2019
- Western Digital Technologies, Inc.
- Joey M. POSS
- G11 - INFORMATION STORAGE
Information Patent Application
MAMR WRITER WITH LOW RESISTANCE MAMR STACK
- Publication number 20190251992
- Publication date Aug 15, 2019
- Western Digital Technologies, Inc.
- Michael Kuok San HO
- 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
Magnetic shielding in magnetic multilayer structures
- Publication number 20110210410
- Publication date Sep 1, 2011
- Grandis Inc.
- Yunfei Ding
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic shielding in magnetic multilayer structures
- Publication number 20100214835
- Publication date Aug 26, 2010
- Yunfei Ding
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND SYSTEM FOR PROVIDING MAGNETIC ELEMENTS HAVING ENHANCED M...
- Publication number 20100140726
- Publication date Jun 10, 2010
- GRANDIS, INC.
- Dmytro Apalkov
- G01 - MEASURING TESTING
Information Patent Application
Spin transfer based magnetic storage cells utilizing granular free...
- Publication number 20070085068
- Publication date Apr 19, 2007
- Dmytro Apalkov
- G11 - INFORMATION STORAGE

Yunfei Ding

Person

Patents Grantslast 30 patents

Dual FGL and dual SPL spintronic device to reduce perpendicular fie...

Spintronic device comprising dual FGL and dual SPL to reduce perpen...

System controlled RF signal source architecture with transducer nea...

Magnetic recording head with an SOT device coupled with side shield

Magnetic recording head with assisting electric current in trailing...

Magnetic recording head having leads over the trailing shield for a...

Cross track current design for energy assisted magnetic recording

Magnetic recording devices having external alternating current sources

Device lifetime improvement through constant temperature

Magnetic recording devices having cross-track current flow to facil...

Data storage devices with integrated slider voltage potential control

Data storage devices with integrated slider voltage potential control

MAMR writer with low resistance MAMR stack

Magnetic recording devices and methods using a write-field-enhancem...

High-bandwidth STO bias architecture with integrated slider voltage...

Data storage device reverse biasing head element to counter electro...

MAMR writer with low resistance MAMR stack

Apparatus and method for writing to magnetic media using an AC bias...

High-bandwidth STO bias architecture with integrated slider voltage...

Data storage device reverse biasing head element to counter electro...

High-bandwidth STO bias architecture with integrated slider voltage...

Apparatus and method for writing to magnetic media using an AC bias...

Spin transfer torque tunneling magnetoresistive device having a lam...

Spin transfer torque tunneling magnetoresistive device having a lam...

Apparatus and method for middle shield connection in magnetic recor...

Method and system for providing a read transducer having soft and h...

Touchdown sensor having a more stable crystal structure for use in...

Laminated touchdown sensor for hard disk drives

Method and system for providing a read transducer having soft and h...

Method and system for providing magnetic elements having enhanced m...

Patents Applicationslast 30 patents

MAGNETIC RECORDING HEAD WITH CURRENT PATH BETWEEN TRAILING SHIELD A...

Dynamic DC Field Compensator for MAMR Recording Head

SYSTEM CONTROLLED RF SIGNAL SOURCE ARCHITECTURE WITH TRANSDUCER NEA...

DUAL FGL AND DUAL SPL SPINTRONIC DEVICE TO REDUCE PERPENDICULAR FIE...

SPINTRONIC DEVICE COMPRISING DUAL FGL AND DUAL SPL TO REDUCE PERPEN...

Magnetic Recording Head With Assisting Electric Current In Trailing...

Magnetic Recording Devices Having External Alternating Current Sources

DC AND SYNCHRONIZED ENERGY ASSISTED PERPENDICULAR MAGNETIC RECORDIN...

Device Lifetime Improvement Through Constant Temperature

DATA STORAGE DEVICES WITH INTEGRATED SLIDER VOLTAGE POTENTIAL CONTROL

MAGNETIC RECORDING DEVICES AND METHODS USING A WRITE-FIELD-ENHANCEM...

MAMR Writer With Low Resistance MAMR Stack

DATA STORAGE DEVICES WITH INTEGRATED SLIDER VOLTAGE POTENTIAL CONTROL

HIGH-BANDWIDTH STO BIAS ARCHITECTURE WITH INTEGRATED SLIDER VOLTAGE...

DATA STORAGE DEVICE REVERSE BIASING HEAD ELEMENT TO COUNTER ELECTRO...

HIGH-BANDWIDTH STO BIAS ARCHITECTURE WITH INTEGRATED SLIDER VOLTAGE...

APPARATUS AND METHOD FOR WRITING TO MAGNETIC MEDIA USING AN AC BIAS...

DATA STORAGE DEVICE REVERSE BIASING HEAD ELEMENT TO COUNTER ELECTRO...

MAMR WRITER WITH LOW RESISTANCE MAMR STACK

SPIN TRANSFER TORQUE TUNNELING MAGNETORESISTIVE DEVICE HAVING A LA...

Magnetic shielding in magnetic multilayer structures

Magnetic shielding in magnetic multilayer structures

METHOD AND SYSTEM FOR PROVIDING MAGNETIC ELEMENTS HAVING ENHANCED M...

Spin transfer based magnetic storage cells utilizing granular free...