Yoshiyuki Yamagami

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carbonaceous refractory and method of production of same and also b...
- Patent number 8,889,062
- Issue date Nov 18, 2014
- Nippon Steel & Sumitomo Metal Corporation
- Hiroyuki Inoue
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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

Patents Applicationslast 30 patents

Information Patent Application
CABONACEOUS REFRACTORY AND METHOD OF PRODUCTION OF SAME AND ALSO BL...
- Publication number 20110298166
- Publication date Dec 8, 2011
- Hiroyuki Inoue
- C21 - METALLURGY OF IRON
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