Masato Shiimoto

Person

Fujisawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic write head with write-field enhancement structure includin...
- Patent number 11,011,190
- Issue date May 18, 2021
- Western Digital Technologies, Inc.
- James Terrence Olson
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic write head for providing spin-torque-assisted write field...
- Patent number 10,811,039
- Issue date Oct 20, 2020
- Western Digital Technologies, Inc.
- James Terrence Olson
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic write head for providing spin-torque-assisted write field...
- Patent number 10,546,603
- Issue date Jan 28, 2020
- Western Digital Technologies, Inc.
- James Terrence Olson
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic write head for providing spin-torque-assisted write field...
- Patent number 10,366,714
- Issue date Jul 30, 2019
- Western Digital Technologies, Inc.
- James Terrence Olson
- G11 - INFORMATION STORAGE
Information Patent Grant
Switching period control of microwave assisted magnetic recording f...
- Patent number 10,283,159
- Issue date May 7, 2019
- Western Digital Technologies, Inc.
- Satoshi Tabata
- G11 - INFORMATION STORAGE
Information Patent Grant
Switching period control of microwave assisted magnetic recording f...
- Patent number 10,020,020
- Issue date Jul 10, 2018
- Western Digital Technologies, Inc.
- Satoshi Tabata
- G11 - INFORMATION STORAGE
Information Patent Grant
Switching period control of microwave assisted magnetic recording f...
- Patent number 9,799,369
- Issue date Oct 24, 2017
- Western Digital Technologies, Inc.
- Satoshi Tabata
- G11 - INFORMATION STORAGE
Information Patent Grant
AF-mode STO with negative Hk spin polarization layer
- Patent number 9,406,315
- Issue date Aug 2, 2016
- HGST Netherlands B.V.
- Masato Shiimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Graded side shield gap reader
- Patent number 9,406,322
- Issue date Aug 2, 2016
- HGST Netherlands B.V.
- Jun Aoyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Asymmetric MAMR head with self-aligned spin torque oscillator along...
- Patent number 9,406,316
- Issue date Aug 2, 2016
- HGST Netherlands B.V.
- Yosuke Urakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Two dimensional magnetic read head having asymmetrical secondary re...
- Patent number 9,396,744
- Issue date Jul 19, 2016
- HGST Netherlands B.V.
- Masato Yamashita
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin torque oscillator with low magnetic moment and high perpendicu...
- Patent number 9,378,759
- Issue date Jun 28, 2016
- HGST Netherlands B.V.
- Keiichi Nagasaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Implementing spin torque oscillator erasure prevention in microwave...
- Patent number 9,355,657
- Issue date May 31, 2016
- HGST Netherlands B.V.
- Jun Aoyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Hard disk drive with contact detection using a spin torque oscillator
- Patent number 9,355,668
- Issue date May 31, 2016
- HGST Netherlands B.V.
- Yasutaka Nishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Extended spin torque oscillator
- Patent number 9,336,797
- Issue date May 10, 2016
- HGST Netherlands B.V.
- Masukazu Igarashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Symmetrical STO for oscillation with both polarity bias
- Patent number 9,311,934
- Issue date Apr 12, 2016
- HGST Netherlands B.V.
- Masato Shiimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Negative-polarization spin-torque-oscillator
- Patent number 9,305,574
- Issue date Apr 5, 2016
- HGST Netherlands B.V.
- Keiichi Nagasaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head using a synthetic ferri free structure
- Patent number 9,245,548
- Issue date Jan 26, 2016
- HGST Netherlands B.V.
- Masato Shiimoto
- B82 - NANO-TECHNOLOGY
Information Patent Grant
MAMR head with recessed STO
- Patent number 9,202,528
- Issue date Dec 1, 2015
- HGST Netherlands B.V.
- Masaru Furukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
AF-coupled dual side shield reader with AF-coupled USL
- Patent number 9,190,081
- Issue date Nov 17, 2015
- HGST Netherlands B.V.
- Jun Aoyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Microwave-assisted magnetic recording head with high saturation mag...
- Patent number 9,099,102
- Issue date Aug 4, 2015
- HGST Netherlands B.V.
- Hiroyuki Katada
- G11 - INFORMATION STORAGE
Information Patent Grant
Asymmetric sensitivity reader
- Patent number 9,082,434
- Issue date Jul 14, 2015
- HGST Netherlands B.V.
- Jun Aoyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Pile spin-torque oscillator with AF-mode oscillation for generating...
- Patent number 9,064,508
- Issue date Jun 23, 2015
- HGST Netherlands B.V.
- Masato Shiimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
MAMR head adapted for high speed switching
- Patent number 9,047,888
- Issue date Jun 2, 2015
- HGST Netherlands B.V.
- Hiroyuki Katada
- G11 - INFORMATION STORAGE
Information Patent Grant
Microwave-assisted magnetic recording (MAMR) head employing advance...
- Patent number 9,007,723
- Issue date Apr 14, 2015
- HGST Netherlands B.V.
- Masukazu Igarashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Head structure with electric damage protection for a microwave-assi...
- Patent number 9,007,724
- Issue date Apr 14, 2015
- HGST Netherlands B.V.
- Masaru Furukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
MAMR head with a multi-layered side gap for stable oscillation of t...
- Patent number 8,988,826
- Issue date Mar 24, 2015
- HGST Netherlands B.V.
- Mikito Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin-torque oscillator for microwave assisted magnetic recording
- Patent number 8,970,996
- Issue date Mar 3, 2015
- HSGT Netherlands B.V.
- Keiichi Nagasaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Microwave-assisted magnetic recording head with asymmetric side gap...
- Patent number 8,964,332
- Issue date Feb 24, 2015
- HGST Netherlands B.V.
- Hiroyuki Katada
- G11 - INFORMATION STORAGE
Information Patent Grant
High spin-torque efficiency spin-torque oscillator (STO) with dual...
- Patent number 8,879,205
- Issue date Nov 4, 2014
- HGST Netherlands B.V.
- Masato Shiimoto
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

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 WRITE HEAD WITH WRITE-FIELD ENHANCEMENT STRUCTURE INCLUDIN...
- Publication number 20200342899
- Publication date Oct 29, 2020
- Western Digital Technologies, Inc.
- James Terrence OLSON
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC WRITE HEAD FOR PROVIDING SPIN-TORQUE-ASSISTED WRITE FIELD...
- Publication number 20200234729
- Publication date Jul 23, 2020
- Western Digital Technologies, Inc.
- James Terrence OLSON
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC WRITE HEAD FOR PROVIDING SPIN-TORQUE-ASSISTED WRITE FIELD...
- Publication number 20190295572
- Publication date Sep 26, 2019
- Western Digital Technologies, Inc.
- James Terrence OLSON
- G11 - INFORMATION STORAGE
Information Patent Application
SWITCHING PERIOD CONTROL OF MICROWAVE ASSISTED MAGNETIC RECORDING F...
- Publication number 20180294010
- Publication date Oct 11, 2018
- Western Digital Technologies, Inc.
- SATOSHI TABATA
- G11 - INFORMATION STORAGE
Information Patent Application
SWITCHING PERIOD CONTROL OF MICROWAVE ASSISTED MAGNETIC RECORDING F...
- Publication number 20180061450
- Publication date Mar 1, 2018
- WESTERN DIGITAL TECHNOLOGIES, INC.
- SATOSHI TABATA
- G11 - INFORMATION STORAGE
Information Patent Application
SWITCHING PERIOD CONTROL OF MICROWAVE ASSISTED MAGNETIC RECORDING F...
- Publication number 20170148471
- Publication date May 25, 2017
- HGST NETHERLANDS B.V.
- Satoshi Tabata
- G11 - INFORMATION STORAGE
Information Patent Application
SPIN TORQUE OSCILLATOR WITH LOW MAGNETIC MOMENT AND HIGH PERPENDICU...
- Publication number 20160148627
- Publication date May 26, 2016
- HGST NETHERLANDS B.V.
- Keiichi NAGASAKA
- G11 - INFORMATION STORAGE
Information Patent Application
NEGATIVE-PORALIZATION SPIN-TORQUE-OSCILLATOR
- Publication number 20160086623
- Publication date Mar 24, 2016
- HGST NETHERLANDS B.V.
- Keiichi NAGASAKA
- G11 - INFORMATION STORAGE
Information Patent Application
GRADED SIDE SHIELD GAP READER
- Publication number 20160005428
- Publication date Jan 7, 2016
- HGST NETHERLANDS B.V.
- Jun AOYAMA
- G11 - INFORMATION STORAGE
Information Patent Application
EXTENDED SPIN TORQUE OSCILLATOR
- Publication number 20150348574
- Publication date Dec 3, 2015
- HGST NETHERLANDS B.V.
- Masukazu IGARASHI
- G11 - INFORMATION STORAGE
Information Patent Application
ASYMMETRIC MAMR HEAD WITH SELF-ALIGNED SPIN TORQUE OSCILLATOR ALONG...
- Publication number 20150332711
- Publication date Nov 19, 2015
- HGST NETHERLANDS B.V.
- Yosuke URAKAMI
- G11 - INFORMATION STORAGE
Information Patent Application
AF-COUPLED DUAL SIDE SHIELD READER WITH AF-COUPLED USL
- Publication number 20150248903
- Publication date Sep 3, 2015
- HGST NETHERLANDS B.V.
- Jun AOYAMA
- G11 - INFORMATION STORAGE
Information Patent Application
AF-MODE STO WITH NEGATIVE HK SPIN POLARIZATION LAYER
- Publication number 20150228295
- Publication date Aug 13, 2015
- HGST NETHERLANDS B.V.
- Masato SHIIMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
MICROWAVE-ASSISTED MAGNETIC RECORDING HEAD WITH HIGH SATURATION MAG...
- Publication number 20150131183
- Publication date May 14, 2015
- HGST NETHERLANDS B.V.
- Hiroyuki Katada
- G11 - INFORMATION STORAGE
Information Patent Application
ASYMMETRIC SENSITIVITY READER
- Publication number 20150116869
- Publication date Apr 30, 2015
- HGST NETHERLANDS B.V.
- Jun AOYAMA
- G11 - INFORMATION STORAGE
Information Patent Application
STO WITH ANTI-FERROMAGNETIC COUPLING INTERLAYER
- Publication number 20150103431
- Publication date Apr 16, 2015
- HGST NETHERLANDS B.V.
- Masukaza IGARASHI
- G11 - INFORMATION STORAGE
Information Patent Application
MAMR HEAD WITH RECESSED STO
- Publication number 20150092292
- Publication date Apr 2, 2015
- HGST NETHERLANDS B.V.
- Masaru FURUKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
GRADED SIDE SHIELD GAP READER
- Publication number 20150092303
- Publication date Apr 2, 2015
- HGST NETHERLANDS B.V.
- Jun AOYAMA
- G11 - INFORMATION STORAGE
Information Patent Application
Hard Disk Drive With Contact Detection Using a Spin Torque Oscillator
- Publication number 20140347969
- Publication date Nov 27, 2014
- HGST NETHERLANDS B.V.
- Yasutaka Nishida
- G11 - INFORMATION STORAGE
Information Patent Application
MAMR HEAD ADAPTED FOR HIGH SPEED SWITCHING
- Publication number 20140177092
- Publication date Jun 26, 2014
- HGST NETHERLANDS B.V.
- Hiroyuki Katada
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DATA RECORDING SYSTEM WITH MIRROR IMAGE ASYMMETRIC MAGNETI...
- Publication number 20140177105
- Publication date Jun 26, 2014
- HGST NETHERLANDS B.V.
- Masato Shiimoto
- G11 - INFORMATION STORAGE
Information Patent Application
MAMR HEAD WITH A MULTI-LAYERED SIDE GAP FOR STABLE OSCILLATION OF T...
- Publication number 20140177100
- Publication date Jun 26, 2014
- HGST NETHERLANDS B.V.
- Mikito Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Application
HIGH SPIN-TORQUE EFFICIENCY SPIN-TORQUE OSCILLATOR (STO) WITH DUAL...
- Publication number 20140133048
- Publication date May 15, 2014
- HGST NETHERLANDS B.V.
- Masato Shiimoto
- G11 - INFORMATION STORAGE
Information Patent Application
SPIN-TORQUE OSCILLATOR FOR MICROWAVE ASSISTED MAGNETIC RECORDING
- Publication number 20140085753
- Publication date Mar 27, 2014
- HGST NETHERLANDS B.V.
- Keiichi Nagasaka
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING/REPRODUCTION APPARATUS USING T...
- Publication number 20130321956
- Publication date Dec 5, 2013
- Hitachi, Ltd
- Masato Shiimoto
- G11 - INFORMATION STORAGE
Information Patent Application
SPIN-TORQUE OSCILLATOR (STO) FOR MICROWAVE-ASSISTED MAGNETIC RECORD...
- Publication number 20130215530
- Publication date Aug 22, 2013
- Hitachi Global Storage Technologies Netherlands B.V.
- Masukazu Igarashi
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING APPARATUS
- Publication number 20130070367
- Publication date Mar 21, 2013
- Hitachi, Ltd.
- Masukazu IGARASHI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING APPARATUS
- Publication number 20130057980
- Publication date Mar 7, 2013
- Hitachi, Ltd.
- Masato SHIIMOTO
- G11 - INFORMATION STORAGE

Masato Shiimoto

Person

Patents Grantslast 30 patents

Magnetic write head with write-field enhancement structure includin...

Magnetic write head for providing spin-torque-assisted write field...

Magnetic write head for providing spin-torque-assisted write field...

Magnetic write head for providing spin-torque-assisted write field...

Switching period control of microwave assisted magnetic recording f...

Switching period control of microwave assisted magnetic recording f...

Switching period control of microwave assisted magnetic recording f...

AF-mode STO with negative Hk spin polarization layer

Graded side shield gap reader

Asymmetric MAMR head with self-aligned spin torque oscillator along...

Two dimensional magnetic read head having asymmetrical secondary re...

Spin torque oscillator with low magnetic moment and high perpendicu...

Implementing spin torque oscillator erasure prevention in microwave...

Hard disk drive with contact detection using a spin torque oscillator

Extended spin torque oscillator

Symmetrical STO for oscillation with both polarity bias

Negative-polarization spin-torque-oscillator

Magnetic head using a synthetic ferri free structure

MAMR head with recessed STO

AF-coupled dual side shield reader with AF-coupled USL

Microwave-assisted magnetic recording head with high saturation mag...

Asymmetric sensitivity reader

Pile spin-torque oscillator with AF-mode oscillation for generating...

MAMR head adapted for high speed switching

Microwave-assisted magnetic recording (MAMR) head employing advance...

Head structure with electric damage protection for a microwave-assi...

MAMR head with a multi-layered side gap for stable oscillation of t...

Spin-torque oscillator for microwave assisted magnetic recording

Microwave-assisted magnetic recording head with asymmetric side gap...

High spin-torque efficiency spin-torque oscillator (STO) with dual...

Patents Applicationslast 30 patents

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

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

MAGNETIC WRITE HEAD WITH WRITE-FIELD ENHANCEMENT STRUCTURE INCLUDIN...

MAGNETIC WRITE HEAD FOR PROVIDING SPIN-TORQUE-ASSISTED WRITE FIELD...

MAGNETIC WRITE HEAD FOR PROVIDING SPIN-TORQUE-ASSISTED WRITE FIELD...

SWITCHING PERIOD CONTROL OF MICROWAVE ASSISTED MAGNETIC RECORDING F...

SWITCHING PERIOD CONTROL OF MICROWAVE ASSISTED MAGNETIC RECORDING F...

SWITCHING PERIOD CONTROL OF MICROWAVE ASSISTED MAGNETIC RECORDING F...

SPIN TORQUE OSCILLATOR WITH LOW MAGNETIC MOMENT AND HIGH PERPENDICU...

NEGATIVE-PORALIZATION SPIN-TORQUE-OSCILLATOR

GRADED SIDE SHIELD GAP READER

EXTENDED SPIN TORQUE OSCILLATOR

ASYMMETRIC MAMR HEAD WITH SELF-ALIGNED SPIN TORQUE OSCILLATOR ALONG...

AF-COUPLED DUAL SIDE SHIELD READER WITH AF-COUPLED USL

AF-MODE STO WITH NEGATIVE HK SPIN POLARIZATION LAYER

MICROWAVE-ASSISTED MAGNETIC RECORDING HEAD WITH HIGH SATURATION MAG...

ASYMMETRIC SENSITIVITY READER

STO WITH ANTI-FERROMAGNETIC COUPLING INTERLAYER

MAMR HEAD WITH RECESSED STO

GRADED SIDE SHIELD GAP READER

Hard Disk Drive With Contact Detection Using a Spin Torque Oscillator

MAMR HEAD ADAPTED FOR HIGH SPEED SWITCHING

MAGNETIC DATA RECORDING SYSTEM WITH MIRROR IMAGE ASYMMETRIC MAGNETI...

MAMR HEAD WITH A MULTI-LAYERED SIDE GAP FOR STABLE OSCILLATION OF T...

HIGH SPIN-TORQUE EFFICIENCY SPIN-TORQUE OSCILLATOR (STO) WITH DUAL...

SPIN-TORQUE OSCILLATOR FOR MICROWAVE ASSISTED MAGNETIC RECORDING

MAGNETIC HEAD AND MAGNETIC RECORDING/REPRODUCTION APPARATUS USING T...

SPIN-TORQUE OSCILLATOR (STO) FOR MICROWAVE-ASSISTED MAGNETIC RECORD...

MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING APPARATUS

MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING APPARATUS