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Shinji Narishige
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Ninomiya, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic recording apparatus and magnetic head
Patent number
7,221,544
Issue date
May 22, 2007
Hitachi Global Storage Technologies Japan, Ltd.
Takayoshi Ohtsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and magnetic recording and reproducing ap...
Patent number
7,157,162
Issue date
Jan 2, 2007
Hitachi Global Storage Technologies Japan, Ltd.
Kazusuke Yamanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium possessing a fluctuation field of not les...
Patent number
6,846,577
Issue date
Jan 25, 2005
Hitachi, Ltd.
Kazusuke Yamanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and magnetic recording and reproducing ap...
Patent number
6,613,428
Issue date
Sep 2, 2003
Hitachi, Ltd.
Kazusuke Yamanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic thin film magnetic recording medium
Patent number
6,310,748
Issue date
Oct 30, 2001
Hitachi, Ltd.
Kazusuke Yamanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Read-write head
Patent number
6,275,360
Issue date
Aug 14, 2001
Hitachi, Ltd.
Kazuhiro Nakamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disc apparatus with head having magneto-resistance effect
Patent number
5,726,838
Issue date
Mar 10, 1998
Hitachi, Ltd.
Susumu Soeya
G11 - INFORMATION STORAGE
Information
Patent Grant
Multi-layered magnetic recording medium and magnetic recording syst...
Patent number
5,723,198
Issue date
Mar 3, 1998
Hitachi, Ltd.
Yuzuru Hosoe
G11 - INFORMATION STORAGE
Information
Patent Grant
Large capacity magnetic disc apparatus with a particular relationsh...
Patent number
5,671,107
Issue date
Sep 23, 1997
Hitachi, Ltd.
Katsuya Mitsuoka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disc apparatus
Patent number
5,668,685
Issue date
Sep 16, 1997
Hitachi, Ltd.
Susumu Soeya
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetoresistive head which includes a domain suppressing...
Patent number
5,471,358
Issue date
Nov 28, 1995
Hitachi, Ltd.
Shigeru Tadokoro
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-resistance effect type of recording/reproducing head
Patent number
5,461,517
Issue date
Oct 24, 1995
Hitachi, Ltd.
Mitsuo Suda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive head
Patent number
5,436,777
Issue date
Jul 25, 1995
Hitachi, Ltd.
Susumu Soeya
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistance effect type head having a damage immune film stru...
Patent number
5,327,313
Issue date
Jul 5, 1994
Hitachi, Ltd.
Kouichi Nishioka
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetic head and method of manufacturing the same
Patent number
5,316,617
Issue date
May 31, 1994
Hitachi, Ltd.
Takashi Kawabe
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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
Thin film magnetic head and the method of fabricating the same
Patent number
5,214,840
Issue date
Jun 1, 1993
Hitachi, Ltd.
Takao Imagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk device and method of recording/retrieving information
Patent number
5,109,311
Issue date
Apr 28, 1992
Hitachi, Ltd.
Masanobu Hanazono
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetic head with mixed crystal structures
Patent number
5,051,856
Issue date
Sep 24, 1991
Hitachi, Ltd.
Shinji Narishige
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Superconducting thin films made of stacked composite oxide layers
Patent number
4,983,575
Issue date
Jan 8, 1991
Hitachi, Ltd.
Matahiro Komuro
C30 - CRYSTAL GROWTH
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
Quarternary amorphous magnetic alloy thin film and magnetic head in...
Patent number
4,943,883
Issue date
Jul 24, 1990
Hitachi, Ltd.
Masaaki Sano
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetic head having magnetic core including a thin film...
Patent number
4,939,610
Issue date
Jul 3, 1990
Hitachi, Ltd.
Shinji Narishige
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing a thin-film magnetic head
Patent number
4,791,719
Issue date
Dec 20, 1988
Hitachi, Ltd.
Tetsuo Kobayashi
G11 - INFORMATION STORAGE
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
Multi-layered ferromagnetic film and method of manufacturing the same
Patent number
4,698,273
Issue date
Oct 6, 1987
Hitachi, Ltd.
Matahiro Komuro
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Thin film magnetic head
Patent number
4,626,947
Issue date
Dec 2, 1986
Computer Basic Technology Research Association
Shinji Narishige
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film of Ni-Co-Fe ternary alloy and process for producing the same
Patent number
4,623,439
Issue date
Nov 18, 1986
Hitachi, Ltd.
Katsuya Mitsuoka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
Magnetic recording medium and magnetic recording and reproducing ap...
Publication number
20050123806
Publication date
Jun 9, 2005
Kazusuke Yamanaka
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium and magnetic recording and reproducing ap...
Publication number
20030170497
Publication date
Sep 11, 2003
Kazusuke Yamanaka
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording apparatus and magnetic head
Publication number
20030021070
Publication date
Jan 30, 2003
Hitachi, Ltd
Takayoshi Ohtsu
G11 - INFORMATION STORAGE
Information
Patent Application
Thin film magnetic heads and a method of producing the same
Publication number
20020071210
Publication date
Jun 13, 2002
Hitachi, Ltd.
Takashi Kawabe
G11 - INFORMATION STORAGE
Information
Patent Application
Thin film magnetic heads and a method of producing the same
Publication number
20020060880
Publication date
May 23, 2002
Hitachi, Ltd.
Takashi Kawabe
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium and magnetic recording and reproducing ap...
Publication number
20010021465
Publication date
Sep 13, 2001
Kazusuke Yamanaka
G11 - INFORMATION STORAGE