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Kazuo Ishizaki
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Milpitas, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing a magnetic head for perpendicular magnetic...
Patent number
8,997,335
Issue date
Apr 7, 2015
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin-film magnetic head, method of manufacturing the same, head gim...
Patent number
8,922,948
Issue date
Dec 30, 2014
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording having a pole la...
Patent number
8,687,320
Issue date
Apr 1, 2014
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing magnetic head having a patterned pole layer...
Patent number
8,453,316
Issue date
Jun 4, 2013
Headway Technologies, Inc.
Yoshitaka Sasaki
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method of manufacturing heat-assisted magnetic recording head with...
Patent number
8,391,109
Issue date
Mar 5, 2013
Headway Technologies, Inc.
Hironori Araki
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat-assisted magnetic recording head with convergent lens
Patent number
8,355,299
Issue date
Jan 15, 2013
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing near-field light generator including wavegu...
Patent number
8,349,198
Issue date
Jan 8, 2013
Headway Technologies, Inc.
Hironori Araki
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method of making a sensing unit
Patent number
8,302,285
Issue date
Nov 6, 2012
Headway Technologies, Inc.
Yoshitaka Sasaki
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic head for perpendicular magnetic recording having side shie...
Patent number
8,270,110
Issue date
Sep 18, 2012
Headway Technologies, Inc.
Hironori Araki
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat-assisted magnetic recording head including internal mirrors of...
Patent number
8,243,560
Issue date
Aug 14, 2012
Headway Technologies, Inc.
Hironori Araki
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of making a sensing unit
Patent number
8,230,577
Issue date
Jul 31, 2012
Headway Technologies, Inc.
Yoshitaka Sasaki
Information
Patent Grant
Method of manufacturing magnetic head for perpendicular magnetic re...
Patent number
8,221,636
Issue date
Jul 17, 2012
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head that suppresses protrusion of medium facing surface c...
Patent number
8,184,398
Issue date
May 22, 2012
Headway Technologies, Inc.
Hironori Araki
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing a magnetic head for perpendicular magnetic...
Patent number
8,176,623
Issue date
May 15, 2012
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing magnetic head for perpendicular magnetic re...
Patent number
8,173,028
Issue date
May 8, 2012
Headway Technologies, Inc.
Kazuo Ishizaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin-film magnetic head structure and thin-film magnetic head
Patent number
8,169,740
Issue date
May 1, 2012
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Capacitor and method of manufacturing the same and capacitor unit
Patent number
8,085,522
Issue date
Dec 27, 2011
Headway Technologies, Inc.
Yoshitaka Sasaki
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method of manufacturing magnetic head for perpendicular magnetic re...
Patent number
8,056,214
Issue date
Nov 15, 2011
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin-film magnetic head structure, method of manufacturing the same...
Patent number
7,943,288
Issue date
May 17, 2011
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording and method of ma...
Patent number
7,924,528
Issue date
Apr 12, 2011
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head having angled pole portions
Patent number
7,916,425
Issue date
Mar 29, 2011
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin-film magnetic head structure adapted to manufacture a thin-fil...
Patent number
7,910,160
Issue date
Mar 22, 2011
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing magnetic head for perpendicular magnetic re...
Patent number
7,910,011
Issue date
Mar 22, 2011
Headway Technologies, Inc.
Hironori Araki
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing magnetic head, and magnetic head substructure
Patent number
7,716,814
Issue date
May 18, 2010
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Sensing unit and method of making same
Patent number
7,698,941
Issue date
Apr 20, 2010
Headway Technologies, Inc.
Yoshitaka Sasaki
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic head for perpendicular magnetic recording with encasing layer
Patent number
7,663,839
Issue date
Feb 16, 2010
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head having a patterned pole layer
Patent number
7,656,612
Issue date
Feb 2, 2010
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Sensing unit and method of making same
Patent number
7,628,071
Issue date
Dec 8, 2009
Headway Techologies, Inc.
Yoshitaka Sasaki
G01 - MEASURING TESTING
Information
Patent Grant
Thin-film magnetic head structure, method of manufacturing the same...
Patent number
7,492,555
Issue date
Feb 17, 2009
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin-film magnetic head structure adapted to manufacture a thin-fil...
Patent number
7,468,863
Issue date
Dec 23, 2008
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF MANUFACTURING HEAT-ASSISTED MAGNETIC RECORDING HEAD WITH...
Publication number
20120269048
Publication date
Oct 25, 2012
HEADWAY TECHNOLOGIES, INC.
Hironori Araki
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF MANUFACTURING A MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC...
Publication number
20120210566
Publication date
Aug 23, 2012
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING HAVING A POLE LA...
Publication number
20120212855
Publication date
Aug 23, 2012
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF MANUFACTURING NEAR-FIELD LIGHT GENERATOR INCLUDING WAVEGU...
Publication number
20110303637
Publication date
Dec 15, 2011
HEADWAY TECHNOLOGIES, INC.
Hironori ARAKI
G02 - OPTICS
Information
Patent Application
HEAT-ASSISTED MAGNETIC RECORDING HEAD WITH CONVERGENT LENS
Publication number
20110188354
Publication date
Aug 4, 2011
HEADWAY TECHNOLOGIES, INC.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
Heat-assisted magnetic recording head with internal mirror
Publication number
20110149426
Publication date
Jun 23, 2011
HEADWAY TECHNOLOGIES, INC.
Hironori Araki
G11 - INFORMATION STORAGE
Information
Patent Application
Method of manufacturing magnetic head for perpendicular magnetic re...
Publication number
20110041322
Publication date
Feb 24, 2011
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Method of manufacturing magnetic head for perpendicular magnetic re...
Publication number
20100301007
Publication date
Dec 2, 2010
HEADWAY TECHNOLOGIES, INC.
Kazuo Ishizaki
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head for perpendicular magnetic recording having side shie...
Publication number
20100165517
Publication date
Jul 1, 2010
HEADWAY TECHNOLOGIES, INC.
Hironori Araki
G11 - INFORMATION STORAGE
Information
Patent Application
Sensing unit and method of making same
Publication number
20100154198
Publication date
Jun 24, 2010
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G01 - MEASURING TESTING
Information
Patent Application
Magnetic head that suppresses protrusion of medium facing surface c...
Publication number
20100149687
Publication date
Jun 17, 2010
HEADWAY TECHNOLOGIES, INC.
Hironori Araki
G11 - INFORMATION STORAGE
Information
Patent Application
Method of manufacturing magnetic head for perpendicular magnetic re...
Publication number
20090294402
Publication date
Dec 3, 2009
HEADWAY TECHNOLOGIES, INC.
Hironori Araki
G11 - INFORMATION STORAGE
Information
Patent Application
THIN-FILM MAGNETIC HEAD, METHOD OF MANUFACTURING THE SAME, HEAD GIM...
Publication number
20090279207
Publication date
Nov 12, 2009
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Method of manufacturing magnetic head for perpendicular magnetic re...
Publication number
20090277870
Publication date
Nov 12, 2009
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Method of manufacturing magnetic head having a patterned pole layer...
Publication number
20090269708
Publication date
Oct 29, 2009
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G01 - MEASURING TESTING
Information
Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
Publication number
20090162699
Publication date
Jun 25, 2009
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
Publication number
20090059426
Publication date
Mar 5, 2009
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Thin-film magnetic head structure, method of manufacturing the same...
Publication number
20090042143
Publication date
Feb 12, 2009
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Thin-film magnetic head structure, method of manufacturing the same...
Publication number
20090040655
Publication date
Feb 12, 2009
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Capacitor and method of manufacturing the same and capacitor unit
Publication number
20090000093
Publication date
Jan 1, 2009
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Sensing unit and method of making same
Publication number
20080314146
Publication date
Dec 25, 2008
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G01 - MEASURING TESTING
Information
Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
Publication number
20080316653
Publication date
Dec 25, 2008
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Sensing unit and method of making same
Publication number
20080313882
Publication date
Dec 25, 2008
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G01 - MEASURING TESTING
Information
Patent Application
Thin-film magnetic head structure adapted to manufacture a thin-fil...
Publication number
20080274271
Publication date
Nov 6, 2008
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Method of manufacturing magnetic head, and magnetic head substructure
Publication number
20080184551
Publication date
Aug 7, 2008
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head and method of manufacturing same, and method of formi...
Publication number
20070279802
Publication date
Dec 6, 2007
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G01 - MEASURING TESTING
Information
Patent Application
Magnetic head and method of manufacturing same, and magnetic head s...
Publication number
20070041126
Publication date
Feb 22, 2007
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Thin-film magnetic head structure, method of manufacturing the same...
Publication number
20070014048
Publication date
Jan 18, 2007
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Thin-film magnetic head structure, method of manufacturing the same...
Publication number
20070008649
Publication date
Jan 11, 2007
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
Publication number
20060268456
Publication date
Nov 30, 2006
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE