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Yutaka Shimada
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Sendai, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Perpendicular magnetic recording medium
Patent number
8,691,402
Issue date
Apr 8, 2014
Fuji Electric Co., Ltd.
Osamu Kitakami
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium
Patent number
8,323,808
Issue date
Dec 4, 2012
Fuji Electric Co., Ltd.
Osamu Kitakami
G11 - INFORMATION STORAGE
Information
Patent Grant
Electromagnetic noise suppressing thin film
Patent number
7,371,471
Issue date
May 13, 2008
NEC Tokin Corporation
Shigeyoshi Yoshida
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electromagnetic noise suppressor, semiconductor device using the sa...
Patent number
7,075,163
Issue date
Jul 11, 2006
NEC Tokin Corporation
Shigeyoshi Yoshida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Composite magnetic material and electromagnetic interference suppre...
Patent number
6,972,097
Issue date
Dec 6, 2005
NEC Tokin Corporation
Shigeyoshi Yoshida
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for fabricating a magnetic recording medium
Patent number
6,623,789
Issue date
Sep 23, 2003
Tohoku University
Yutaka Shimada
G11 - INFORMATION STORAGE
Information
Patent Grant
Writing method for a magnetic immovable memory and a magnetic immov...
Patent number
6,339,543
Issue date
Jan 15, 2002
Tohoku University
Yutaka Shimada
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Exchange coupling thin film and magnetoresistive element comprising...
Patent number
6,055,135
Issue date
Apr 25, 2000
Alps Electric Co., Ltd.
Kazuaki Fukamichi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetoresistance effect material, process for producing the same,...
Patent number
5,837,068
Issue date
Nov 17, 1998
Kazuaki Fukamichi and YKK Corporation
Kazuaki Fukamichi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Composite magnetic article for electromagnetic interference suppressor
Patent number
5,827,445
Issue date
Oct 27, 1998
Tokin Corporation
Shigeyoshi Yoshida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thin soft magnetic film and method of manufacturing the same
Patent number
5,135,818
Issue date
Aug 4, 1992
Hitachi Maxell, Ltd.
Yutaka Shimada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic head
Patent number
4,641,213
Issue date
Feb 3, 1987
Alps Electric Co., Ltd.
Yutaka Shimada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
4,609,593
Issue date
Sep 2, 1986
Alps Electric Co., Ltd.
Keishi Nakashima
G11 - INFORMATION STORAGE
Information
Patent Grant
Multilayer composite soft magnetic material comprising amorphous an...
Patent number
4,608,297
Issue date
Aug 26, 1986
Showa Denka Kabushiki Kaisha
Yutaka Shimada
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Soft magnetic material
Patent number
4,557,769
Issue date
Dec 10, 1985
Alps Electric Co., Ltd.
Yutaka Shimada
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM
Publication number
20130045395
Publication date
Feb 21, 2013
Fuji Electric Co., Ltd.
Osamu KITAKAMI
G11 - INFORMATION STORAGE
Information
Patent Application
Electromagnetic noise suppressing thin film
Publication number
20050208293
Publication date
Sep 22, 2005
NEC TOKIN CORPORATION
Shigeyoshi Yoshida
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Perpendicular magnetic recording medium
Publication number
20050181237
Publication date
Aug 18, 2005
Osamu Kitakami
G11 - INFORMATION STORAGE
Information
Patent Application
Composite magnetic material and electromagnetic interference suppre...
Publication number
20040108486
Publication date
Jun 10, 2004
Shigeyoshi Yoshida
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method for fabricating a magnetic recording medium
Publication number
20030049368
Publication date
Mar 13, 2003
TOHOKU UNIVERSITY
Yutaka Shimada
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic substance with maximum complex permeability...
Publication number
20030024605
Publication date
Feb 6, 2003
Shigeyoshi Yoshida
B82 - NANO-TECHNOLOGY
Information
Patent Application
Electromagnetic noise suppressor, semiconductor device using the sa...
Publication number
20020030249
Publication date
Mar 14, 2002
Shigeyoshi Yoshida
H01 - BASIC ELECTRIC ELEMENTS