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Kazuki SATO
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Milpitas, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic head including main pole having top surface including firs...
Patent number
11,514,931
Issue date
Nov 29, 2022
Headway Technologies, Inc.
Hironori Araki
G11 - INFORMATION STORAGE
Information
Patent Grant
Manufacturing method for magnetic head for perpendicular magnetic r...
Patent number
11,495,251
Issue date
Nov 8, 2022
Headway Technologies, Inc.
Yukinori Ikegawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head including spin torque oscillator, first and second ga...
Patent number
11,380,353
Issue date
Jul 5, 2022
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head including spin torque oscillator
Patent number
11,289,117
Issue date
Mar 29, 2022
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head including spin torque oscillator
Patent number
11,211,082
Issue date
Dec 28, 2021
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head including a return path section
Patent number
10,872,624
Issue date
Dec 22, 2020
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head with a main pole including first and second layers an...
Patent number
10,839,829
Issue date
Nov 17, 2020
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head including spin torque oscillator and manufacturing me...
Patent number
10,803,888
Issue date
Oct 13, 2020
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head including spin torque oscillator and manufacturing me...
Patent number
10,748,559
Issue date
Aug 18, 2020
Headway Technologies, Inc.
Hironori Araki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head including a main pole and a write shield
Patent number
10,586,558
Issue date
Mar 10, 2020
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording including two si...
Patent number
10,366,712
Issue date
Jul 30, 2019
Headway Technologies, Inc.
Yoshitaka Sasaki
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Magnetic head including a coil and a magnetic path forming section
Patent number
10,297,277
Issue date
May 21, 2019
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording with a coil incl...
Patent number
9,824,702
Issue date
Nov 21, 2017
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording including a coil...
Patent number
9,792,929
Issue date
Oct 17, 2017
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording that includes a...
Patent number
9,773,514
Issue date
Sep 26, 2017
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording including a coil...
Patent number
9,741,370
Issue date
Aug 22, 2017
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording with a coil incl...
Patent number
9,704,513
Issue date
Jul 11, 2017
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording capable of preve...
Patent number
9,653,100
Issue date
May 16, 2017
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording including a coil...
Patent number
9,620,153
Issue date
Apr 11, 2017
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Thermally-assisted magnetic recording head including a main pole, a...
Patent number
9,542,960
Issue date
Jan 10, 2017
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording with a trailing...
Patent number
9,502,053
Issue date
Nov 22, 2016
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording with a coil incl...
Patent number
9,495,980
Issue date
Nov 15, 2016
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head including a main pole and a write shield to provide i...
Patent number
9,489,969
Issue date
Nov 8, 2016
Headway Technologies, Inc.
Yukinori Ikegawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of forming a magnetic write head
Patent number
9,412,397
Issue date
Aug 9, 2016
Headway Technologies, Inc.
Hironori Araki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording including two si...
Patent number
9,406,318
Issue date
Aug 2, 2016
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Thermally-assisted magnetic recording head including a waveguide an...
Patent number
9,378,762
Issue date
Jun 28, 2016
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording including a main...
Patent number
9,336,798
Issue date
May 10, 2016
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording including a heater
Patent number
9,324,341
Issue date
Apr 26, 2016
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Thermally-assisted magnetic recording head including a plasmon gene...
Patent number
9,275,658
Issue date
Mar 1, 2016
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording including angled...
Patent number
9,251,812
Issue date
Feb 2, 2016
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING INCLUDING TWO SI...
Publication number
20190228795
Publication date
Jul 25, 2019
HEADWAY TECHNOLOGIES, INC.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING WITH A COIL INCL...
Publication number
20170270953
Publication date
Sep 21, 2017
HEADWAY TECHNOLOGIES, INC.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGENTIC RECORDING CAPABLE OF PREVE...
Publication number
20170140780
Publication date
May 18, 2017
HEADWAY TECHNOLOGIES, INC.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING WITH A COIL INCL...
Publication number
20170125042
Publication date
May 4, 2017
HEADWAY TECHNOLOGIES, INC.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
Resist Reactive Ion Etch (RIE) Process for Plating
Publication number
20170011756
Publication date
Jan 12, 2017
HEADWAY TECHNOLOGIES, INC.
Hironori Araki
G11 - INFORMATION STORAGE
Information
Patent Application
THERMALLY-ASSISTED MAGNETIC RECORDING HEAD INCLUDING A MAIN POLE, A...
Publication number
20160343391
Publication date
Nov 24, 2016
HEADWAY TECHNOLOGIES, INC.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING INCLUDING A COIL...
Publication number
20160275970
Publication date
Sep 22, 2016
HEADWAY TECHNOLOGIES, INC.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF FORMING A MAGNETIC WRITE HEAD
Publication number
20160225391
Publication date
Aug 4, 2016
HEADWAY TECHNOLOGIES, INC.
Hironori Araki
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING INCLUDING TWO SI...
Publication number
20160055869
Publication date
Feb 25, 2016
HEADWAY TECHNOLOGIES, INC.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING INCLUDING ANGLED...
Publication number
20150380016
Publication date
Dec 31, 2015
HEADWAY TECHNOLOGIES, INC.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
THERMALLY-ASSISTED MAGNETIC RECORDING HEAD INCLUDING A PLASMON GENE...
Publication number
20150262593
Publication date
Sep 17, 2015
SAE MAGNETICS (H. K) LTD.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD INCLUDING TWO CONTACT SENSORS
Publication number
20150235659
Publication date
Aug 20, 2015
SAE MAGNETICS (H. K) LTD.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING INCLUDING A MAIN...
Publication number
20150170679
Publication date
Jun 18, 2015
SAE MAGNETICS (H. K) LTD.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD INCLUDING A FIRST AND SECOND INSULATING FILM BETWEEN...
Publication number
20150170682
Publication date
Jun 18, 2015
SAE MAGNETICS (H.K.) LTD.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING INCLUDING A HEATER
Publication number
20150138671
Publication date
May 21, 2015
SAE MAGNETICS (H. K) LTD.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
THIN-FILM MAGNETIC HEAD, METHOD OF MANUFACTURING THE SAME, HEAD GIM...
Publication number
20150098154
Publication date
Apr 9, 2015
SAE MAGNETICS (H. K) LTD.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
THERMALLY ASSISTED MAGNETIC HEAD, METHOD OF MANUFACTURING THE SAME,...
Publication number
20150085629
Publication date
Mar 26, 2015
SAE MAGNETICS (H. K) LTD.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
THERMALLY-ASSISTED MAGNETIC RECORDING HEAD HAVING A PLASMON GENERATOR
Publication number
20150071044
Publication date
Mar 12, 2015
HEADWAY TECHNOLOGIES, INC.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR RECORDING HAVING A PLURALITY OF MAG...
Publication number
20140177099
Publication date
Jun 26, 2014
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING HAVING A RETURN...
Publication number
20130329319
Publication date
Dec 12, 2013
HEADWAY TECHNOLOGIES, INC.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING HAVING A MAIN PO...
Publication number
20130308227
Publication date
Nov 21, 2013
HEADWAY TECHNOLOGIES, INC.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF MANUFACTURING MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RE...
Publication number
20130283601
Publication date
Oct 31, 2013
SAE MAGNETICS (H.K.) LTD.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
THIN-FILM MAGNETIC HEAD, METHOD OF MANUFACTURING THE SAME, HEAD GIM...
Publication number
20130176644
Publication date
Jul 11, 2013
SAE MAGNETICS (H. K) LTD.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
THIN-FILM MAGNETIC HEAD, METHOD OF MANUFACTURING THE SAME, HEAD GIM...
Publication number
20130155550
Publication date
Jun 20, 2013
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
LAMINATED SEMICONDUCTOR SUBSTRATE, SEMICONDUCTOR SUBSTRATE, LAMINAT...
Publication number
20130105949
Publication date
May 2, 2013
SAE MAGNETICS (H. K) LTD.
Yoshitaka SASAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PLASMON GENERATOR INCLUDING TWO PORTIONS MADE OF DIFFERENT METALS
Publication number
20130107681
Publication date
May 2, 2013
HEADWAY TECHNOLOGIES, INC.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF MANUFACTURING THE THIN-FILM MAGNETIC HEAD, THE THIN-FILM...
Publication number
20130100555
Publication date
Apr 25, 2013
SAE MAGNETICS (H. K) LTD.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF MANUFACTURING PLASMON GENERATOR
Publication number
20130068722
Publication date
Mar 21, 2013
HEADWAY TECHNOLOGIES, INC.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
THIN-FILM MAGNETIC HEAD, METHOD OF MANUFACTURING THE SAME, HEAD GIM...
Publication number
20130057987
Publication date
Mar 7, 2013
SAE MAGNETICS (H. K) LTD.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING HAVING A MAIN PO...
Publication number
20130038966
Publication date
Feb 14, 2013
SAE MAGNETICS (H.K.) LTD.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE