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Takashi Kawabe
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Hitachi, JP
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Patents Grants
last 30 patents
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
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
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
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
Magnetoresistive sensor and magnetic storage apparatus
Patent number
6,693,774
Issue date
Feb 17, 2004
Hitachi, Ltd.
Katsuro Watanabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk apparatus with magnetic head having upper and lower m...
Patent number
6,661,606
Issue date
Dec 9, 2003
Hitachi, Ltd.
Masaaki Sano
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head having magnetic shield layers
Patent number
6,643,105
Issue date
Nov 4, 2003
Hitachi, Ltd.
Kazuhiro Nakamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetic head with electroplated Ni-Fe alloy thin film ha...
Patent number
6,490,131
Issue date
Dec 3, 2002
Hitachi, Ltd.
Masaaki Sano
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
Magnetic head with shield layer having discontinuous multi-layer or...
Patent number
6,456,466
Issue date
Sep 24, 2002
Hitachi, Ltd.
Kazuhiro Nakamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetic head and assembled construction thereof
Patent number
6,385,009
Issue date
May 7, 2002
Hitachi, Ltd.
Masaaki Sano
B82 - NANO-TECHNOLOGY
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
Thin film magnetic head with Ni-Fe alloy thin film
Patent number
6,262,867
Issue date
Jul 17, 2001
Hitachi, Ltd.
Masaaki Sano
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetoresistive head and magnetic disk apparatus
Patent number
6,172,859
Issue date
Jan 9, 2001
Hitachi, Ltd.
Katsuro Watanabe
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetoresistive head and magnetic disk apparatus
Patent number
6,157,526
Issue date
Dec 5, 2000
Hitachi, Ltd.
Katsuro Watanabe
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic recorder and magnetooptical recorder
Patent number
6,130,797
Issue date
Oct 10, 2000
Hitachi, Ltd.
Kyo Akagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetic head with Ni-Fe alloy thin film
Patent number
6,118,628
Issue date
Sep 12, 2000
Hitachi, Ltd.
Masaaki Sano
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic head with a magnetic pole sandwiched between conductive ma...
Patent number
6,104,574
Issue date
Aug 15, 2000
Hitachi, Ltd.
Hisashi Takano
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus and thin film magnetic head with magnetic membrane layers...
Patent number
6,034,847
Issue date
Mar 7, 2000
Hitachi, Ltd.
Matahiro Komuro
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetoresistive head and magnetic disk apparatus
Patent number
5,995,338
Issue date
Nov 30, 1999
Hitachi, Ltd.
Katsuro Watanabe
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic digital storage method and system wherein magnetic transit...
Patent number
5,786,952
Issue date
Jul 28, 1998
Hitachi, Ltd.
Masuo Umemoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of fabricating thin-film magnetic head
Patent number
5,349,745
Issue date
Sep 27, 1994
Hitachi, Ltd.
Takashi Kawabe
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
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
Patents Applications
last 30 patents
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
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
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
Magnetic disk apparatus
Publication number
20030123186
Publication date
Jul 3, 2003
Masaaki Sano
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head and magnetic recording apparatus
Publication number
20020191352
Publication date
Dec 19, 2002
Kazuhiro Nakamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Disk storage system, thin film magnetic head therefor and fabricati...
Publication number
20020154444
Publication date
Oct 24, 2002
Masaaki Sano
B82 - NANO-TECHNOLOGY
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
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
THIN FILM MAGNETIC HEAD AND MAGNETIC DISK APPARATUS INCLUDING THE SAME
Publication number
20020041463
Publication date
Apr 11, 2002
TOMOHIRO OKADA
G11 - INFORMATION STORAGE
Information
Patent Application
Disk storage system, thin film magnetic head therefor and fabricati...
Publication number
20020008937
Publication date
Jan 24, 2002
Masaaki Sano
B82 - NANO-TECHNOLOGY
Information
Patent Application
Magnetoresistive sensor and magnetic storage apparatus
Publication number
20010028538
Publication date
Oct 11, 2001
Katsuro Watanabe
B82 - NANO-TECHNOLOGY