Akio Ishii

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Futtsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carbonaceous refractory and method for preparing the same
- Patent number 6,875,716
- Issue date Apr 5, 2005
- Nippon Steel Corporation
- Akio Ishii
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for detecting penetrant metal and measuring th...
- Patent number 5,523,685
- Issue date Jun 4, 1996
- Nippon Steel Corporation
- Kiyoto Kasai
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Carbonaceous refractory and method for preparing the same
- Publication number 20020183189
- Publication date Dec 5, 2002
- Akio Ishii
- C21 - METALLURGY OF IRON