Sadafumi Iijima

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Nagano, JP

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Patents Grantslast 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 7,090,936
- Issue date Aug 15, 2006
- TDK Corporation
- Kenichi Kitamura
- 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 having at least two layers wherein the up...
- Patent number 5,510,179
- Issue date Apr 23, 1996
- TDK Corporation
- Kiyoto Fukushima
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetic recording medium
- Publication number 20060210839
- Publication date Sep 21, 2006
- TDK Corporation
- Tsutomu Ide
- 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