Petrus Antonius VanDerHeijden

Person

Santa Clara, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Current distal to media facing surface
- Patent number 12,148,452
- Issue date Nov 19, 2024
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording heads having one or more dusting layers for magn...
- Patent number 12,057,145
- Issue date Aug 6, 2024
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- 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
MAMR stack shape optimization for magnetic recording
- Patent number 11,862,207
- Issue date Jan 2, 2024
- Western Digital Technologies, Inc.
- Venkatesh H Chembrolu
- G11 - INFORMATION STORAGE
Information Patent Grant
Current assisted HAMR magnetic writer
- Patent number 11,854,584
- Issue date Dec 26, 2023
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
MAMR recording head with SAF trailing shield notch and/or bump
- Patent number 11,769,522
- Issue date Sep 26, 2023
- Western Digital Technologies, Inc.
- Alexander Goncharov
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording (HAMR) head with tapered main pole...
- Patent number 11,651,791
- Issue date May 16, 2023
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- 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
Heat-assisted magnetic recording (HAMR) head with tapered main pole...
- Patent number 11,462,243
- Issue date Oct 4, 2022
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
MAMR stack shape optimization for magnetic recording
- Patent number 11,437,060
- Issue date Sep 6, 2022
- Western Digital Technologies, Inc.
- Venkatesh Chembrolu
- G11 - INFORMATION STORAGE
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
Magnetic write head with dual return pole and tapered main pole
- Patent number 11,043,233
- Issue date Jun 22, 2021
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin torque layer in side gap for improved field and cross track fi...
- Patent number 10,997,990
- Issue date May 4, 2021
- Western Digital Technologies, Inc.
- Alexander Goncharov
- G11 - INFORMATION STORAGE
Information Patent Grant
Bilayer hot seed to reduce gap field for magnetic recording heads
- Patent number 10,997,989
- Issue date May 4, 2021
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- 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
Current-assisted magnetic recording write head with wide conductive...
- Patent number 10,943,616
- Issue date Mar 9, 2021
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
MAMR recording head with high damping trailing shield seed layer
- Patent number 10,891,977
- Issue date Jan 12, 2021
- Western Digital Technologies, Inc.
- Alexander Goncharov
- G11 - INFORMATION STORAGE
Information Patent Grant
MAMR stack shape optimization for magnetic recording
- Patent number 10,872,626
- Issue date Dec 22, 2020
- Western Digital Technologies, Inc.
- Venkatesh Chembrolu
- G11 - INFORMATION STORAGE
Information Patent Grant
Reversed mode spin torque oscillator with shaped field generation l...
- Patent number 10,872,627
- Issue date Dec 22, 2020
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Write heads configured to redirect current
- Patent number 10,861,485
- Issue date Dec 8, 2020
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
Current-assisted magnetic recording write head with wide conductive...
- Patent number 10,839,844
- Issue date Nov 17, 2020
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
MAMR recording head with high damping trailing shield seed layer
- Patent number 10,839,832
- Issue date Nov 17, 2020
- Western Digital Technologies, Inc.
- Alexander Goncharov
- G11 - INFORMATION STORAGE
Information Patent Grant
Write heads configured to redirect current
- Patent number 10,777,219
- Issue date Sep 15, 2020
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
Reversed mode spin torque oscillator with shaped field generation l...
- Patent number 10,762,917
- Issue date Sep 1, 2020
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic write head with dual return pole
- Patent number 10,714,128
- Issue date Jul 14, 2020
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin torque layer in side gap for improved field and cross track fi...
- Patent number 10,706,877
- Issue date Jul 7, 2020
- Western Digital Technologies, Inc.
- Alexander Goncharov
- 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

Patents Applicationslast 30 patents

Information Patent Application
Current Distal to Media Facing Surface
- Publication number 20240379119
- Publication date Nov 14, 2024
- Western Digital Technologies, Inc.
- Muhammad ASIF BASHIR
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING HEADS HAVING ONE OR MORE DUSTING LAYERS FOR MAGN...
- Publication number 20240144961
- 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
MAMR Recording Head with SAF Trailing Shield Notch and/or Bump
- Publication number 20220399035
- Publication date Dec 15, 2022
- Western Digital Technologies, Inc.
- Alexander GONCHAROV
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT-ASSISTED MAGNETIC RECORDING (HAMR) HEAD WITH TAPERED MAIN POLE...
- Publication number 20220358964
- Publication date Nov 10, 2022
- Western Digital Technologies, Inc.
- Takuya MATSUMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
MAMR STACK SHAPE OPTIMIZATION FOR MAGNETIC RECORDING
- Publication number 20220358959
- Publication date Nov 10, 2022
- Western Digital Technologies, Inc.
- Venkatesh H CHEMBROLU
- G11 - INFORMATION STORAGE
Information Patent Application
MAMR STACK SHAPE OPTIMIZATION FOR MAGNETIC RECORDING
- Publication number 20210082457
- Publication date Mar 18, 2021
- Western Digital Technologies, Inc.
- Venkatesh CHEMBROLU
- G11 - INFORMATION STORAGE
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
HEAT-ASSISTED MAGNETIC RECORDING (HAMR) HEAD WITH TAPERED MAIN POLE...
- Publication number 20210027808
- Publication date Jan 28, 2021
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Application
CURRENT-ASSISTED MAGNETIC RECORDING WRITE HEAD WITH WIDE CONDUCTIVE...
- Publication number 20200402532
- Publication date Dec 24, 2020
- Western Digital Technologies, Inc.
- Muhammad ASIF BASHIR
- G11 - INFORMATION STORAGE
Information Patent Application
WRITE HEADS CONFIGURED TO REDIRECT CURRENT
- Publication number 20200381011
- Publication date Dec 3, 2020
- Western Digital Technologies, Inc.
- Muhammad ASIF BASHIR
- G11 - INFORMATION STORAGE
Information Patent Application
REVERSED MODE SPIN TORQUE OSCILLATOR WITH SHAPED FIELD GENERATION L...
- Publication number 20200372929
- Publication date Nov 26, 2020
- Western Digital Technologies, Inc.
- Quang LE
- 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
SPIN TORQUE LAYER IN SIDE GAP FOR IMPROVED FIELD AND CROSS TRACK FI...
- Publication number 20200327902
- Publication date Oct 15, 2020
- Western Digital Technologies, Inc.
- Alexander GONCHAROV
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC WRITE HEAD WITH DUAL RETURN POLE AND TAPERED MAIN POLE
- Publication number 20200294536
- Publication date Sep 17, 2020
- Western Digital Technologies, Inc.
- Muhammad Asif BASHIR
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC WRITE HEAD WITH DUAL RETURN POLE
- Publication number 20200118586
- Publication date Apr 16, 2020
- Western Digital Technologies, Inc.
- Muhammad Asif BASHIR
- 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
MAMR STACK SHAPE OPTIMIZATION FOR MAGNETIC RECORDING
- Publication number 20190318760
- Publication date Oct 17, 2019
- Western Digital Technologies, Inc.
- Venkatesh CHEMBROLU
- G11 - INFORMATION STORAGE
Information Patent Application
SPIN TORQUE LAYER IN SIDE GAP FOR IMPROVED FIELD AND CROSS TRACK FI...
- Publication number 20190244634
- Publication date Aug 8, 2019
- Western Digital Technologies, Inc.
- Alexander GONCHAROV
- G11 - INFORMATION STORAGE
Information Patent Application
ENHANCED WRITE POLE AND RETURN POLE FOR IMPROVED AREAL DENSITY
- Publication number 20180033458
- Publication date Feb 1, 2018
- WESTERN DIGITAL TECHNOLOGIES, INC.
- Kuok San HO
- G11 - INFORMATION STORAGE
Information Patent Application
ENHANCED WRITE POLE AND RETURN POLE FOR IMPROVED AREAL DENSITY
- Publication number 20170278532
- Publication date Sep 28, 2017
- HGST NETHERLANDS B.V.
- Kuok San Ho
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC READ HEAD HAVING SPIN HALL EFFECT LAYER
- Publication number 20150287426
- Publication date Oct 8, 2015
- HGST NETHERLANDS B.V.
- Goran MIHAJLOVIC
- G11 - INFORMATION STORAGE
Information Patent Application
SCISSOR SENSOR WITH BACK EDGE BIAS STRUCTURE AND NOVEL DIELECTRIC L...
- Publication number 20150154990
- Publication date Jun 4, 2015
- HGST NETHERLANDS B.V.
- Hongquan Jiang
- G11 - INFORMATION STORAGE
Information Patent Application
SCISSOR MAGNETIC READ SENSOR WITH NOVEL MULTI-LAYER BIAS STRUCTURE...
- Publication number 20150154991
- Publication date Jun 4, 2015
- HGST NETHERLANDS B.V.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Application
SCISSOR MAGNETIC SENSOR HAVING A BACK EDGE SOFT MAGNETIC BIAS STRUC...
- Publication number 20150002961
- Publication date Jan 1, 2015
- HGST NETHERLANDS B.V.
- Christopher D. Keener
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT ASSISTED MAGNETIC RECORDING HEAD HAVING WIDER HEAT SINK AND POLE
- Publication number 20140355399
- Publication date Dec 4, 2014
- HGST NETHERLANDS B.V.
- Lidu Huang
- G11 - INFORMATION STORAGE
Information Patent Application
CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE SENSOR WI...
- Publication number 20140340791
- Publication date Nov 20, 2014
- HGST NETHERLANDS B.V.
- Patrick Mesquita Braganca
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MAKING A CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNET...
- Publication number 20140291283
- Publication date Oct 2, 2014
- HGST NETHERLANDS B.V.
- Patrick Mesquita Braganca
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC READ SENSOR USING SPIN HALL EFFECT
- Publication number 20140226239
- Publication date Aug 14, 2014
- HGST NETHERLANDS B.V.
- Goran Mihajlovic
- G01 - MEASURING TESTING

Petrus Antonius VanDerHeijden

Person

Patents Grantslast 30 patents

Current distal to media facing surface

Magnetic recording heads having one or more dusting layers for magn...

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

MAMR stack shape optimization for magnetic recording

Current assisted HAMR magnetic writer

MAMR recording head with SAF trailing shield notch and/or bump

Heat-assisted magnetic recording (HAMR) head with tapered main pole...

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

Heat-assisted magnetic recording (HAMR) head with tapered main pole...

MAMR stack shape optimization for magnetic recording

TMR sensor with magnetic tunnel junctions with shape anisotropy

Magnetic write head with dual return pole and tapered main pole

Spin torque layer in side gap for improved field and cross track fi...

Bilayer hot seed to reduce gap field for magnetic recording heads

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

Current-assisted magnetic recording write head with wide conductive...

MAMR recording head with high damping trailing shield seed layer

MAMR stack shape optimization for magnetic recording

Reversed mode spin torque oscillator with shaped field generation l...

Write heads configured to redirect current

Current-assisted magnetic recording write head with wide conductive...

MAMR recording head with high damping trailing shield seed layer

Write heads configured to redirect current

Reversed mode spin torque oscillator with shaped field generation l...

Magnetic write head with dual return pole

Spin torque layer in side gap for improved field and cross track fi...

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

Patents Applicationslast 30 patents

Current Distal to Media Facing Surface

MAGNETIC RECORDING HEADS HAVING ONE OR MORE DUSTING LAYERS FOR MAGN...

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

Magnetic Recording Devices Having External Alternating Current Sources

MAMR Recording Head with SAF Trailing Shield Notch and/or Bump

HEAT-ASSISTED MAGNETIC RECORDING (HAMR) HEAD WITH TAPERED MAIN POLE...

MAMR STACK SHAPE OPTIMIZATION FOR MAGNETIC RECORDING

MAMR STACK SHAPE OPTIMIZATION FOR MAGNETIC RECORDING

TMR Sensor with Magnetic Tunnel Junctions with Shape Anisotropy

HEAT-ASSISTED MAGNETIC RECORDING (HAMR) HEAD WITH TAPERED MAIN POLE...

CURRENT-ASSISTED MAGNETIC RECORDING WRITE HEAD WITH WIDE CONDUCTIVE...

WRITE HEADS CONFIGURED TO REDIRECT CURRENT

REVERSED MODE SPIN TORQUE OSCILLATOR WITH SHAPED FIELD GENERATION L...

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

SPIN TORQUE LAYER IN SIDE GAP FOR IMPROVED FIELD AND CROSS TRACK FI...

MAGNETIC WRITE HEAD WITH DUAL RETURN POLE AND TAPERED MAIN POLE

MAGNETIC WRITE HEAD WITH DUAL RETURN POLE

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

MAMR STACK SHAPE OPTIMIZATION FOR MAGNETIC RECORDING

SPIN TORQUE LAYER IN SIDE GAP FOR IMPROVED FIELD AND CROSS TRACK FI...

ENHANCED WRITE POLE AND RETURN POLE FOR IMPROVED AREAL DENSITY

ENHANCED WRITE POLE AND RETURN POLE FOR IMPROVED AREAL DENSITY

MAGNETIC READ HEAD HAVING SPIN HALL EFFECT LAYER

SCISSOR SENSOR WITH BACK EDGE BIAS STRUCTURE AND NOVEL DIELECTRIC L...

SCISSOR MAGNETIC READ SENSOR WITH NOVEL MULTI-LAYER BIAS STRUCTURE...

SCISSOR MAGNETIC SENSOR HAVING A BACK EDGE SOFT MAGNETIC BIAS STRUC...

HEAT ASSISTED MAGNETIC RECORDING HEAD HAVING WIDER HEAT SINK AND POLE

CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE SENSOR WI...

METHOD FOR MAKING A CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNET...

MAGNETIC READ SENSOR USING SPIN HALL EFFECT