Toshiharu Kataoka

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Yamaguchi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic shield material, production method thereof and color image...
- Patent number 6,025,673
- Issue date Feb 15, 2000
- Toyo Kohan Co., Ltd.
- Akira Ikeda
- C21 - METALLURGY OF IRON