Kumi Takahashi

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic head and method for producing the same
- Patent number 5,909,343
- Issue date Jun 1, 1999
- Sony Corporation
- Kyu Kanno
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with groove positioned to identify head orientation
- Patent number 5,883,766
- Issue date Mar 16, 1999
- Sony Corporation
- Seiichi Ogata
- G11 - INFORMATION STORAGE