Naoyuki Kaneyama

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of making a magnetic head with ferrite between nonmagnetic p...
- Patent number 7,275,307
- Issue date Oct 2, 2007
- Sony Corporation
- Akira Sugawara
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with ferrite between nonmagnetic portions and a nonma...
- Patent number 6,801,391
- Issue date Oct 5, 2004
- Sony Corporation
- Akira Sugawara
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head
- Patent number 5,852,536
- Issue date Dec 22, 1998
- Sony Corporation
- Tohru Matsunaga
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetic head and manufacturing method thereof
- Publication number 20040158974
- Publication date Aug 19, 2004
- Akira Sugawara
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head and manufacturing method thereof
- Publication number 20020159190
- Publication date Oct 31, 2002
- Akira Sugawara
- G11 - INFORMATION STORAGE