Yohichi Zaizen

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method of grain-oriented electrical steel sheet
- Patent number 8,303,730
- Issue date Nov 6, 2012
- Nippon Steel Corporation
- Tomoji Kumano
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
MANUFACTURING METHOD OF GRAIN-ORIENTED ELECTRICAL STEEL SHEET
- Publication number 20110155285
- Publication date Jun 30, 2011
- Tomoji Kumano
- C21 - METALLURGY OF IRON