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Makoto Morijiri
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Hitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing a magnetic head
Patent number
7,605,006
Issue date
Oct 20, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Makoto Morijiri
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic write head including a magnetic pole piece having a protru...
Patent number
7,576,952
Issue date
Aug 18, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Yoji Maruyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head having first and second protective films with differe...
Patent number
7,460,335
Issue date
Dec 2, 2008
Hitachi Global Technologies Japan, Ltd.
Yohji Maruyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetic head and magnetic disk apparatus including the same
Patent number
7,382,576
Issue date
Jun 3, 2008
Hitachi Global Storage Technologies Japan, Ltd.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording head and method for manufacturing
Patent number
7,333,301
Issue date
Feb 19, 2008
Hitachi Global Storage Technologies Japan, Ltd.
Kimitoshi Etoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing a spin-valve giant magnetoresistive head
Patent number
7,159,304
Issue date
Jan 9, 2007
Hitachi Global Storage Technologies Japan, Ltd.
Masatoshi Arasawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Structure and plating method of thin film magnetic head and magneti...
Patent number
7,150,819
Issue date
Dec 19, 2006
Hitachi Global Storage Technologies Japan, Ltd.
Kazue Kudo
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetic head and magnetic disk apparatus including the same
Patent number
7,068,467
Issue date
Jun 27, 2006
Hitachi Global Storage Technologies Japan, Ltd.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for reducing projection of retrieving and writing uni...
Patent number
7,064,925
Issue date
Jun 20, 2006
Hitachi Global Storage Technologies Japan, Ltd.
Yohji Maruyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetic head having multiple layered films determining t...
Patent number
6,898,057
Issue date
May 24, 2005
Hitachi, Ltd.
Tetsuya Okai
G11 - INFORMATION STORAGE
Information
Patent Grant
Manufacturing method of a thin film magnetic head
Patent number
6,877,212
Issue date
Apr 12, 2005
Hitachi Global Storage Technologies Japan, Ltd.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Structure and plating method of thin film magnetic head and magneti...
Patent number
6,723,449
Issue date
Apr 20, 2004
Hitachi, Ltd.
Kazue Kudo
G11 - INFORMATION STORAGE
Information
Patent Grant
Spin-valve giant magnetoresistive head and method of manufacturing...
Patent number
6,717,778
Issue date
Apr 6, 2004
Hitachi, Ltd.
Masatoshi Arasawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetic head and magnetic disk apparatus including the same
Patent number
6,483,663
Issue date
Nov 19, 2002
Hitachi, Ltd.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of fabricating a magnetoresistive thin-film magnetic head
Patent number
5,897,969
Issue date
Apr 27, 1999
Hitachi, Ltd.
Akira Taniyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive thin-film magnetic head and method of fabrication...
Patent number
5,701,221
Issue date
Dec 23, 1997
Hitachi, Ltd.
Akira Taniyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive head structure that prevents under film from undes...
Patent number
5,371,643
Issue date
Dec 6, 1994
Hitachi, Ltd.
Isamu Yuito
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disc apparatus with thin film head suitable for high-densi...
Patent number
5,296,979
Issue date
Mar 22, 1994
Hitachi, Ltd.
Takashi Kawabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic information storage apparatus including magnetic head and...
Patent number
5,245,493
Issue date
Sep 14, 1993
Hitachi, Ltd.
Takashi Kawabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetic head and manufacturing method therefor
Patent number
5,241,440
Issue date
Aug 31, 1993
Hitachi, Ltd.
Eizi Ashida
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive head
Patent number
5,212,609
Issue date
May 18, 1993
Hitachi, Ltd.
Isamu Yuito
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for forming thin film pattern and method for fabricating thi...
Patent number
4,971,896
Issue date
Nov 20, 1990
Hitachi, Ltd.
Takashi Kawabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Thin film magnetic head having magnetic film of Co-Ni-Fe alloy
Patent number
4,780,781
Issue date
Oct 25, 1988
Hitachi, Ltd.
Masaaki Sano
G11 - INFORMATION STORAGE
Information
Patent Grant
Selective working method
Patent number
4,766,009
Issue date
Aug 23, 1988
Hitachi, Ltd.
Midori Imura
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electroless plating process and process for producing multilayer wi...
Patent number
4,659,587
Issue date
Apr 21, 1987
Hitachi, Ltd.
Midori Imura
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of patterning thin film
Patent number
4,592,801
Issue date
Jun 3, 1986
Computer Basic Technology Research Association
Shinichi Hara
G11 - INFORMATION STORAGE
Information
Patent Grant
Display panel
Patent number
4,543,573
Issue date
Sep 24, 1985
Hitachi, Ltd.
Moriaki Fuyama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Perpendicular magnetic recording head
Publication number
20090073608
Publication date
Mar 19, 2009
Norihiro Ookawa
G11 - INFORMATION STORAGE
Information
Patent Application
Method of manufacturing a spin-valve giant magnetoresistive head
Publication number
20070079498
Publication date
Apr 12, 2007
Masatoshi Arasawa
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head and magnetic recording/retrieving apparatus using the...
Publication number
20060198056
Publication date
Sep 7, 2006
Hitachi Global Storage Technologies Japan, Ltd.
Yohji Maruyama
G11 - INFORMATION STORAGE
Information
Patent Application
Thin film magnetic head and magnetic disk apparatus including the same
Publication number
20060198051
Publication date
Sep 7, 2006
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Application
Method of manufacturing a magnetic head
Publication number
20060172532
Publication date
Aug 3, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Makoto Morijiri
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic write head
Publication number
20050122622
Publication date
Jun 9, 2005
Hitachi Global Storage Technologies Netherlands, B.V.
Yoji Maruyama
G11 - INFORMATION STORAGE
Information
Patent Application
Thin film magnetic head and magnetic disk apparatus including the same
Publication number
20050024767
Publication date
Feb 3, 2005
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head whose composite magnetic core is recessed from air be...
Publication number
20040246621
Publication date
Dec 9, 2004
Hitachi Global Storage Technologies Japan, Ltd.
Youji Maruyama
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording head and method for manufacturing
Publication number
20040240121
Publication date
Dec 2, 2004
Kimitoshi Etoh
G11 - INFORMATION STORAGE
Information
Patent Application
Structure and plating method of thin film magnetic head and magneti...
Publication number
20040169959
Publication date
Sep 2, 2004
Hitachi, Ltd.
Kazue Kudo
G11 - INFORMATION STORAGE
Information
Patent Application
Spin-valve giant magnetoresistive head and method of manufacturing...
Publication number
20040158973
Publication date
Aug 19, 2004
Masatoshi Arasawa
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head and magnetic recording/retrieving apparatus using the...
Publication number
20040109262
Publication date
Jun 10, 2004
HITACHI GLOBAL STORAGE TECHNOLOGIES
Yohji Maruyama
G11 - INFORMATION STORAGE
Information
Patent Application
Thin film magnetic head and method for manufacturing the same
Publication number
20040100730
Publication date
May 27, 2004
Tetsuya Okai
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetoresistive head and a method for manufacturing of the same
Publication number
20030189799
Publication date
Oct 9, 2003
Yasunobu Yanagisawa
G11 - INFORMATION STORAGE
Information
Patent Application
Structure and plating method of thin film magnetic head and magneti...
Publication number
20020106533
Publication date
Aug 8, 2002
Hitachi, Ltd.
Kazue Kudo
G11 - INFORMATION STORAGE
Information
Patent Application
Spin-valve giant magnetoresistive head and method of manufacturing...
Publication number
20020064005
Publication date
May 30, 2002
Masatoshi Arasawa
B82 - NANO-TECHNOLOGY
Information
Patent Application
Thin film magnetic head and magnetic disk apparatus including the same
Publication number
20020013996
Publication date
Feb 7, 2002
Hitachi, Ltd
Tomohiro Okada
G11 - INFORMATION STORAGE