Atsuko Ohkawa

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thin film magnetic head having non-linear tapered rails
- Patent number 6,198,601
- Issue date Mar 6, 2001
- Hitachi, Ltd.
- Yasuo Hira
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head having non-linear rails
- Patent number 5,910,864
- Issue date Jun 8, 1999
- Hitachi, Ltd.
- Yasuo Hira
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head, process for production thereof
- Patent number 5,567,333
- Issue date Oct 22, 1996
- Hitachi, Ltd.
- Yasuo Hira
- G11 - INFORMATION STORAGE
Information Patent Grant
Thickness/depth measuring apparatus and method for measuring the th...
- Patent number 5,371,582
- Issue date Dec 6, 1994
- Hitachi, Ltd.
- Tamaki Toba
- G01 - MEASURING TESTING