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Shigeru Tadokoro
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Odawara, JP
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Patents Grants
last 30 patents
Information
Patent Grant
STO bias control for MAMR head reliability
Patent number
9,672,846
Issue date
Jun 6, 2017
Western Digital Technologies, Inc.
Hideaki Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic write head having a controlled magnetization...
Patent number
9,230,566
Issue date
Jan 5, 2016
HGST Netherlands B.V.
Tadayuki Iwakura
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording write head with plate having coil...
Patent number
9,070,384
Issue date
Jun 30, 2015
HGST Netherlands B.V.
Wataru Kimura
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head with a narrow spacing between magnetic shields at air...
Patent number
7,586,715
Issue date
Sep 8, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Naoki Koyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording/reproducing separated magnetic head with concave portion...
Patent number
6,992,860
Issue date
Jan 31, 2006
Hitachi, Ltd.
Eiji Nakanishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tunnel junction magnetoresistive head
Patent number
6,424,508
Issue date
Jul 23, 2002
Hitachi, Ltd.
Shigeru Tadokoro
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 layered material, and magnetic sensor and magnetic storage...
Patent number
6,087,027
Issue date
Jul 11, 2000
Hitachi, Ltd.
Hiroyuki Hoshiya
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetoresistive head and manufacturing method therefor
Patent number
6,088,196
Issue date
Jul 11, 2000
Hitachi, Ltd.
Shigeru Tadokoro
G11 - INFORMATION STORAGE
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 head and magnetic disk apparatus provided therewith
Patent number
5,969,910
Issue date
Oct 19, 1999
Hitachi, Ltd.
Takao Imagawa
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic transducer and magnetic recording device utilizing materia...
Patent number
5,872,690
Issue date
Feb 16, 1999
Hitachi, Ltd.
Shigeru Tadokoro
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic layered material, and magnetic sensor and magnetic storage...
Patent number
5,843,589
Issue date
Dec 1, 1998
Hitachi, Ltd.
Hiroyuki Hoshiya
B82 - NANO-TECHNOLOGY
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
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
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
Patents Applications
last 30 patents
Information
Patent Application
Magnetic head and method of manufacturing the same
Publication number
20060158789
Publication date
Jul 20, 2006
Hitachi Global Storage Technologies
Naoki Koyama
G11 - INFORMATION STORAGE
Information
Patent Application
Recording/reproducing separated magnetic head
Publication number
20040037012
Publication date
Feb 26, 2004
Eiji Nakanishi
G11 - INFORMATION STORAGE