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Takayoshi Kuwajima
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic recording medium and method for manufacturing the same
Patent number
7,601,395
Issue date
Oct 13, 2009
TDK Corporation
Takayoshi Kuwajima
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
7,563,522
Issue date
Jul 21, 2009
TDK Corporation
Naoto Yajima
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium utilizing a back coat layer containing a...
Patent number
7,432,000
Issue date
Oct 7, 2008
TDK Corporation
Takayoshi Kuwajima
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
7,208,237
Issue date
Apr 24, 2007
TDK Corporation
Akihiko Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
7,157,163
Issue date
Jan 2, 2007
TDK Corporation
Naoto Yajima
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
7,090,936
Issue date
Aug 15, 2006
TDK Corporation
Kenichi Kitamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
7,011,900
Issue date
Mar 14, 2006
TDK Corporation
Akihiko Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
6,852,404
Issue date
Feb 8, 2005
TDK Corporation
Takayoshi Kuwajima
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and process for producing the same
Patent number
6,777,061
Issue date
Aug 17, 2004
TDK Corporation
Kenichi Kitamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and a process for producing the same
Patent number
6,127,039
Issue date
Oct 3, 2000
TDK Corporation
Akira Saitoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium having a magnetic layer and an intermedia...
Patent number
5,792,548
Issue date
Aug 11, 1998
TDK Corporation
Takayoshi Kuwajima
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
5,698,286
Issue date
Dec 16, 1997
TDK Corporation
Tsunehiko Ikarashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium containing an unsaturated fatty acid dies...
Patent number
5,688,591
Issue date
Nov 18, 1997
TDK Corporation
Takayoshi Kuwajima
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20080145710
Publication date
Jun 19, 2008
TDK Corporation
Takayoshi KUWAJIMA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20070160876
Publication date
Jul 12, 2007
TDK Corporation
Naoto Yajima
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20070141402
Publication date
Jun 21, 2007
TDK Corporation
Takayoshi KUWAJIMA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20070026264
Publication date
Feb 1, 2007
TDK Corporation
Takayoshi Kuwajima
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium and method for manufacturing the same
Publication number
20050208342
Publication date
Sep 22, 2005
TDK Corporation
Takayoshi Kuwajima
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium
Publication number
20040207955
Publication date
Oct 21, 2004
TDK Corporation
Akihiko Seki
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium
Publication number
20040209121
Publication date
Oct 21, 2004
TDK Corporation
Naoto Yajima
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium
Publication number
20040197605
Publication date
Oct 7, 2004
TDK Corporation
Akihiko Seki
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium
Publication number
20040110033
Publication date
Jun 10, 2004
TDK Corporation
Takayoshi Kuwajima
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium and process for producing the same
Publication number
20040023067
Publication date
Feb 5, 2004
Kenichi Kitamura
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium
Publication number
20040005479
Publication date
Jan 8, 2004
Kenichi Kitamura
G11 - INFORMATION STORAGE