Takatoshi Egawa

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Grain-oriented electrical steel sheet having a low watt loss
- Patent number 4,960,652
- Issue date Oct 2, 1990
- Nippon Steel Corporation
- Toshiya Wada
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing a grain-oriented electrical steel sheet having...
- Patent number 4,863,531
- Issue date Sep 5, 1989
- Nippon Steel Corporation
- Toshiya Wada
- C21 - METALLURGY OF IRON