Keiji Sakai

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Okayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Non-oriented electromagnetic steel sheet having reduced magnetic an...
- Patent number 6,428,632
- Issue date Aug 6, 2002
- Kawasaki Steel Corporation
- Toshiro Fujiyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for manufacturing magnetic steel sheet having superior worka...
- Patent number 6,406,558
- Issue date Jun 18, 2002
- Kawasaki Steel Corporation
- Mitsumasa Kurosawa
- C21 - METALLURGY OF IRON