Chie Hama

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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 9,273,371
- Issue date Mar 1, 2016
- Nippon Steel & Sumitomo Metal Corporation
- Kenichi Murakami
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of manufacturing grain-oriented electrical steel sheet
- Patent number 8,778,095
- Issue date Jul 15, 2014
- Nippon Steel & Sumitomo Metal Corporation
- Isao Iwanaga
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
- Publication number 20130061985
- Publication date Mar 14, 2013
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Isao Iwanaga
- C21 - METALLURGY OF IRON
Information Patent Application
MANUFACTURING METHOD OF GRAIN-ORIENTED ELECTRICAL STEEL SHEET
- Publication number 20130000786
- Publication date Jan 3, 2013
- Kenichi Murakami
- C21 - METALLURGY OF IRON