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Norihiro Ookawa
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic head having two domain control layers for stabilizing magn...
Patent number
8,976,492
Issue date
Mar 10, 2015
HGST Netherlands B.V.
Kouji Kataoka
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing a magnetic read sensor having a low resista...
Patent number
8,568,602
Issue date
Oct 29, 2013
HGST Netherlands B.V.
Koji Sakamoto
B82 - NANO-TECHNOLOGY
Information
Patent Grant
CPP structure magnetoresistive head
Patent number
8,537,503
Issue date
Sep 17, 2013
HGST Netherlands B.V.
Katsuro Watanabe
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method of manufacturing a magnetic head
Patent number
7,716,812
Issue date
May 18, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Atsushi Kato
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head main pole with leading and trailing edges of differen...
Patent number
7,710,685
Issue date
May 4, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Hisashi Kimura
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive head and fabricating method thereof, and read writ...
Patent number
7,675,715
Issue date
Mar 9, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Masatoshi Arasawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive head, with second magnetic domain control layers a...
Patent number
7,468,870
Issue date
Dec 23, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Masatoshi Arasawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive head having magnetic domain control film in contac...
Patent number
7,209,327
Issue date
Apr 24, 2007
Hitachi Global Storage Technologies Japan, Ltd.
Norihiro Ookawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive sensor with random crystal orientation underlayer...
Patent number
7,177,121
Issue date
Feb 13, 2007
Hitachi Global Storage Technologies Japan, Ltd.
Shuichi Kojima
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF MANUFACTURING A MAGNETIC READ SENSOR HAVING A LOW RESISTA...
Publication number
20120184053
Publication date
Jul 19, 2012
Hitachi Global Storage Technologies Netherlands B.V.
Koji Sakamoto
G01 - MEASURING TESTING
Information
Patent Application
CPP Structure Magnetoresistive Head
Publication number
20100053821
Publication date
Mar 4, 2010
Katsuro Watanabe
G01 - MEASURING TESTING
Information
Patent Application
Perpendicular magnetic recording head
Publication number
20090073608
Publication date
Mar 19, 2009
Norihiro Ookawa
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head and method of manufacturing the same
Publication number
20070195454
Publication date
Aug 23, 2007
Hitachi Global Storage Technologies Netherlands B.V.
Hisashi Kimura
G11 - INFORMATION STORAGE
Information
Patent Application
Method of manufacturing a magnetic head and a magnetic head
Publication number
20060238918
Publication date
Oct 26, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Atsushi Kato
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetoresistive head, manufacturing method thereof, and read write...
Publication number
20060158793
Publication date
Jul 20, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Masatoshi Arasawa
G01 - MEASURING TESTING
Information
Patent Application
Magnetoresistive head and fabricating method thereof, and read writ...
Publication number
20060056112
Publication date
Mar 16, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Masatoshi Arasawa
G01 - MEASURING TESTING
Information
Patent Application
Magnetoresistive head and manufacturing method thereof
Publication number
20040190206
Publication date
Sep 30, 2004
Hitachi Global Storage Technologies Japan, Ltd.
Norihiro Ookawa
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetoresistive sensor and magnetoresistive head, and manufacturin...
Publication number
20040145836
Publication date
Jul 29, 2004
Hitachi Global Storage Technologies Japan, Ltd.
Shuichi Kojima
G01 - MEASURING TESTING