Takuya Matsumoto

Person

California, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Multi-layer NFT for HAMR with a thermal shunt connecting the metal...
- Patent number 12,249,355
- Issue date Mar 11, 2025
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Assist cores for spot size converter for heat assisted magnetic rec...
- Patent number 12,148,458
- Issue date Nov 19, 2024
- Western Digital Technologies, Inc.
- Norman Nan Shi
- G11 - INFORMATION STORAGE
Information Patent Grant
Near-field transducer for heat assisted magnetic recording comprisi...
- Patent number 12,119,032
- Issue date Oct 15, 2024
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording (HAMR) head with main pole having...
- Patent number 12,057,149
- Issue date Aug 6, 2024
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording (HAMR) head with main pole having...
- Patent number 11,894,018
- Issue date Feb 6, 2024
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording (HAMR) head with main pole having...
- Patent number 11,881,231
- Issue date Jan 23, 2024
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- 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
Vertical cavity surface emitting laser, head gimbal assembly, and f...
- Patent number 11,817,677
- Issue date Nov 14, 2023
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Beam combiner for VCSEL array in HAMR head
- Patent number 11,657,845
- Issue date May 23, 2023
- Western Digital Technologies, Inc.
- Norman N. Shi
- 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
VCSEL array for HAMR
- Patent number 11,651,786
- Issue date May 16, 2023
- Western Digital Technologies, Inc.
- Barry C. Stipe
- G11 - INFORMATION STORAGE
Information Patent Grant
VCSEL array for HAMR
- Patent number 11,651,787
- Issue date May 16, 2023
- Western Digital Technologies, Inc.
- Barry C. Stipe
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording (HAMR) head with main pole having...
- Patent number 11,532,329
- Issue date Dec 20, 2022
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording (HAMR) slider with stray light rem...
- Patent number 11,514,946
- Issue date Nov 29, 2022
- Western Digital Technologies, Inc.
- Norman Shi
- 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
VCSEL array for HAMR
- Patent number 11,398,246
- Issue date Jul 26, 2022
- Western Digital Technologies, Inc.
- Barry Stipe
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording (HAMR) head with heat sink materia...
- Patent number 11,328,747
- Issue date May 10, 2022
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
VCSEL array for HAMR
- Patent number 11,302,352
- Issue date Apr 12, 2022
- Western Digital Technologies, Inc.
- Barry Stipe
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording (HAMR) head with optically reflect...
- Patent number 11,250,879
- Issue date Feb 15, 2022
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods and apparatuses for localized annealing of sliders configur...
- Patent number 10,643,641
- Issue date May 5, 2020
- Western Digital Technologies, Inc.
- Bin Ouyang
- G11 - INFORMATION STORAGE
Information Patent Grant
Near-field transducer for heat assisted magnetic recording comprisi...
- Patent number 10,636,442
- Issue date Apr 28, 2020
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic write head with a tapered return pole
- Patent number 10,468,058
- Issue date Nov 5, 2019
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat assisted magnetic data recording head with heat sink
- Patent number 10,438,617
- Issue date Oct 8, 2019
- Western Digital Technologies, Inc.
- Venkata R K Gorantla
- G11 - INFORMATION STORAGE
Information Patent Grant
Near-field transducer for heat assisted magnetic recording comprisi...
- Patent number 10,403,315
- Issue date Sep 3, 2019
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat assisted magnetic data recording head with heat sink
- Patent number 10,360,932
- Issue date Jul 23, 2019
- Western Digital Technologies, Inc.
- Aron Pentek
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electromagnetically-shielded near-field transducer thermal sensor f...
- Patent number 10,283,145
- Issue date May 7, 2019
- Western Digital Technologies, Inc.
- Sukumar Rajauria
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for reading data recorded on ferroelectric storag...
- Patent number 10,283,146
- Issue date May 7, 2019
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Near-field transducer with adjacent high-refractive index material...
- Patent number 10,204,646
- Issue date Feb 12, 2019
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Anti-reflection waveguide for heat-assisted magnetic recording
- Patent number 9,558,769
- Issue date Jan 31, 2017
- HGST Netherlands B.V.
- Seheon Kim
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermally-assisted magnetic recording head
- Patent number 9,390,732
- Issue date Jul 12, 2016
- HGST Netherlands B.V.
- Shinji Sasaki
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Multi-Layer NFT for HAMR with a Thermal Shunt Connecting the Metal...
- Publication number 20250078863
- Publication date Mar 6, 2025
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT ASSISTED MAGNETIC RECORDING (HAMR) WRITE HEAD WITH ENHANCED ST...
- Publication number 20240233757
- Publication date Jul 11, 2024
- Western Digital Technologies, Inc.
- Sung Hun Wee
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT-ASSISTED MAGNETIC RECORDING (HAMR) HEAD WITH MAIN POLE HAVING...
- Publication number 20240161777
- Publication date May 16, 2024
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT ASSISTED MAGNETIC RECORDING (HAMR) WRITE HEAD WITH ENHANCED ST...
- Publication number 20240135964
- Publication date Apr 25, 2024
- Western Digital Technologies, Inc.
- Sung Hun Wee
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT-ASSISTED MAGNETIC RECORDING (HAMR) HEAD WITH MAIN POLE HAVING...
- Publication number 20240062783
- Publication date Feb 22, 2024
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT-ASSISTED MAGNETIC RECORDING (HAMR) HEAD WITH MAIN POLE HAVING...
- Publication number 20230245681
- Publication date Aug 3, 2023
- Western Digital Technologies, Inc.
- Takuya MATSUMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
VERTICAL CAVITY SURFACE EMITTING LASER, HEAD GIMBAL ASSEMBLY, AND F...
- Publication number 20220407287
- Publication date Dec 22, 2022
- Western Digital Technologies, Inc.
- Takuya MATSUMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL CAVITY SURFACE EMITTING LASER, HEAD GIMBAL ASSEMBLY, AND F...
- Publication number 20220407288
- Publication date Dec 22, 2022
- Western Digital Technologies, Inc.
- Takuya MATSUMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL CAVITY SURFACE EMITTING LASER AND HEAD GIMBAL ASSEMBLY
- Publication number 20220407292
- Publication date Dec 22, 2022
- Western Digital Technologies, Inc.
- Takuya MATSUMOTO
- H01 - BASIC ELECTRIC ELEMENTS
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
VCSEL Array For HAMR
- Publication number 20220189508
- Publication date Jun 16, 2022
- Western Digital Technologies, Inc.
- Barry C. STIPE
- G11 - INFORMATION STORAGE
Information Patent Application
VCSEL Array For HAMR
- Publication number 20220189507
- Publication date Jun 16, 2022
- Western Digital Technologies, Inc.
- Barry C. STIPE
- G11 - INFORMATION STORAGE
Information Patent Application
VCSEL Array For HAMR
- Publication number 20210398557
- Publication date Dec 23, 2021
- Western Digital Technologies, Inc.
- Barry STIPE
- G11 - INFORMATION STORAGE
Information Patent Application
VCSEL Array For HAMR
- Publication number 20210398556
- Publication date Dec 23, 2021
- Western Digital Technologies, Inc.
- Barry STIPE
- G11 - INFORMATION STORAGE
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
NEAR-FIELD TRANSDUCER FOR HEAT ASSISTED MAGNETIC RECORDING COMPRISI...
- Publication number 20190378539
- Publication date Dec 12, 2019
- Takuya MATSUMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
ELECTROMAGNETICALLY-SHIELDED NEAR-FIELD TRANSDUCER THERMAL SENSOR F...
- Publication number 20190066725
- Publication date Feb 28, 2019
- Western Digital Technologies, Inc.
- Sukumar RAJAURIA
- G11 - INFORMATION STORAGE
Information Patent Application
READBACK OF INFORMATION FROM A MOVING FERROELECTRIC RECORDING MEDIU...
- Publication number 20180350397
- Publication date Dec 6, 2018
- Western Digital Technologies
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT ASSISTED MAGNETIC DATA RECORDING HEAD WITH HEAT SINK
- Publication number 20180158473
- Publication date Jun 7, 2018
- WESTERN DIGITAL TECHNOLOGIES, INC.
- Venkata R K Gorantla
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT ASSISTED MAGNETIC DATA RECORDING HEAD WITH HEAT SINK
- Publication number 20180158474
- Publication date Jun 7, 2018
- WESTERN DIGITAL TECHNOLOGIES, INC.
- Aron Pentek
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
NEAR-FIELD TRANSDUCER WITH ADJACENT HIGH-REFRACTIVE INDEX MATERIAL...
- Publication number 20170323659
- Publication date Nov 9, 2017
- HGST NETHERLANDS B.V.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Application
NEAR-FIELD TRANSDUCER FOR HEAT ASSISTED MAGNETIC RECORDING WITH TRA...
- Publication number 20170047088
- Publication date Feb 16, 2017
- HGST NETHERLANDS B.V.
- Takuya MATSUMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
NEAR-FIELD TRANSDUCER WITH COMPOSITIONALLY GRADED MATERIAL FOR HEAT...
- Publication number 20160351208
- Publication date Dec 1, 2016
- HGST NETHERLANDS B.V.
- Takuya MATSUMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
NEAR-FIELD TRANSDUCER FOR HEAT ASSISTED MAGNETIC RECORDING COMPRISI...
- Publication number 20160329068
- Publication date Nov 10, 2016
- HGST NETHERLANDS B.V.
- Takuya MATSUMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
WAVEGUIDE POWER SENSOR STRUCTURES FREE OF OPTICAL COHERENCE EFFECTS...
- Publication number 20150318005
- Publication date Nov 5, 2015
- HGST NETHERLANDS B.V.
- Seheon KIM
- G11 - INFORMATION STORAGE
Information Patent Application
THERMALLY-ASSISTED MAGNETIC RECORDING HEAD
- Publication number 20150294677
- Publication date Oct 15, 2015
- HGST NETHERLANDS B.V.
- Shinji Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
THERMALLY-ASSISTED MAGNETIC RECORDING HEAD
- Publication number 20150162029
- Publication date Jun 11, 2015
- HGST NETHERLANDS B.V.
- Shinji Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Submount-Integrated PhotoDetector For Monitoring A Laser For A Heat...
- Publication number 20150146507
- Publication date May 28, 2015
- HGST NETHERLANDS B.V.
- Thomas Dudley Boone
- G11 - INFORMATION STORAGE
Information Patent Application
DUAL THERMAL SENSOR FOR HAMR WAVEGUIDE POWER MONITOR AND INTEGRATIO...
- Publication number 20150109892
- Publication date Apr 23, 2015
- HGST NETHERLANDS B.V.
- John T. CONTRERAS
- G11 - INFORMATION STORAGE
Information Patent Application
TAR TEMPERATURE SENSOR HAVING FASTER RESPONSE TIME
- Publication number 20130107680
- Publication date May 2, 2013
- HGST NETHERLANDS B.V.
- John T. Contreras
- G11 - INFORMATION STORAGE

Takuya Matsumoto

Person

Patents Grantslast 30 patents

Multi-layer NFT for HAMR with a thermal shunt connecting the metal...

Assist cores for spot size converter for heat assisted magnetic rec...

Near-field transducer for heat assisted magnetic recording comprisi...

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

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

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

Current assisted HAMR magnetic writer

Vertical cavity surface emitting laser, head gimbal assembly, and f...

Beam combiner for VCSEL array in HAMR head

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

VCSEL array for HAMR

VCSEL array for HAMR

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

Heat-assisted magnetic recording (HAMR) slider with stray light rem...

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

VCSEL array for HAMR

Heat-assisted magnetic recording (HAMR) head with heat sink materia...

VCSEL array for HAMR

Heat-assisted magnetic recording (HAMR) head with optically reflect...

Methods and apparatuses for localized annealing of sliders configur...

Near-field transducer for heat assisted magnetic recording comprisi...

Magnetic write head with a tapered return pole

Heat assisted magnetic data recording head with heat sink

Near-field transducer for heat assisted magnetic recording comprisi...

Heat assisted magnetic data recording head with heat sink

Electromagnetically-shielded near-field transducer thermal sensor f...

System and method for reading data recorded on ferroelectric storag...

Near-field transducer with adjacent high-refractive index material...

Anti-reflection waveguide for heat-assisted magnetic recording

Thermally-assisted magnetic recording head

Patents Applicationslast 30 patents

Multi-Layer NFT for HAMR with a Thermal Shunt Connecting the Metal...

HEAT ASSISTED MAGNETIC RECORDING (HAMR) WRITE HEAD WITH ENHANCED ST...

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

HEAT ASSISTED MAGNETIC RECORDING (HAMR) WRITE HEAD WITH ENHANCED ST...

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

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

VERTICAL CAVITY SURFACE EMITTING LASER, HEAD GIMBAL ASSEMBLY, AND F...

VERTICAL CAVITY SURFACE EMITTING LASER, HEAD GIMBAL ASSEMBLY, AND F...

VERTICAL CAVITY SURFACE EMITTING LASER AND HEAD GIMBAL ASSEMBLY

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

VCSEL Array For HAMR

VCSEL Array For HAMR

VCSEL Array For HAMR

VCSEL Array For HAMR

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

NEAR-FIELD TRANSDUCER FOR HEAT ASSISTED MAGNETIC RECORDING COMPRISI...

ELECTROMAGNETICALLY-SHIELDED NEAR-FIELD TRANSDUCER THERMAL SENSOR F...

READBACK OF INFORMATION FROM A MOVING FERROELECTRIC RECORDING MEDIU...

HEAT ASSISTED MAGNETIC DATA RECORDING HEAD WITH HEAT SINK

HEAT ASSISTED MAGNETIC DATA RECORDING HEAD WITH HEAT SINK

NEAR-FIELD TRANSDUCER WITH ADJACENT HIGH-REFRACTIVE INDEX MATERIAL...

NEAR-FIELD TRANSDUCER FOR HEAT ASSISTED MAGNETIC RECORDING WITH TRA...

NEAR-FIELD TRANSDUCER WITH COMPOSITIONALLY GRADED MATERIAL FOR HEAT...

NEAR-FIELD TRANSDUCER FOR HEAT ASSISTED MAGNETIC RECORDING COMPRISI...

WAVEGUIDE POWER SENSOR STRUCTURES FREE OF OPTICAL COHERENCE EFFECTS...

THERMALLY-ASSISTED MAGNETIC RECORDING HEAD

THERMALLY-ASSISTED MAGNETIC RECORDING HEAD

Submount-Integrated PhotoDetector For Monitoring A Laser For A Heat...

DUAL THERMAL SENSOR FOR HAMR WAVEGUIDE POWER MONITOR AND INTEGRATIO...

TAR TEMPERATURE SENSOR HAVING FASTER RESPONSE TIME