Kasumi Suzuki

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metallic thin film type magnetic recording medium and method of man...
- Patent number 7,449,221
- Issue date Nov 11, 2008
- Sony Corporation
- Ryoichi Hiratsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and process for producing same
- Patent number 7,214,436
- Issue date May 8, 2007
- Sony Corporation
- Ryoichi Hiratsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Metallic thin film type magnetic recording medium and method of man...
- Patent number 7,070,871
- Issue date Jul 4, 2006
- Sony Corporation
- Ryoichi Hiratsuka
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Metallic Thin Film Type Magnetic Recording Medium and Method of Man...
- Publication number 20060240182
- Publication date Oct 26, 2006
- Ryoichi Hiratsuka
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium and process for producing same
- Publication number 20030224216
- Publication date Dec 4, 2003
- Ryoichi Hiratsuka
- G11 - INFORMATION STORAGE
Information Patent Application
Metallic thin film type magnetic recording medium and method of man...
- Publication number 20030039864
- Publication date Feb 27, 2003
- Ryoichi Hiratsuka
- G11 - INFORMATION STORAGE