Koichiro Yoshino

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Hikari-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Refining method and refining apparatus for chromium-contained molte...
- Patent number 7,497,987
- Issue date Mar 3, 2009
- Nippon Steel Corporation
- Kosuke Yamashita
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for decarbonization refining of chromium-containing molten s...
- Patent number 6,830,606
- Issue date Dec 14, 2004
- Nippon Steel Corporation
- Ryuji Nakao
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Refining method and refining apparatus for chromium-contained molte...
- Publication number 20070152386
- Publication date Jul 5, 2007
- NIPPON STEEL CORPORATION
- Kosuke Yamashita
- C21 - METALLURGY OF IRON
Information Patent Application
Method for refining molten iron containing chromium
- Publication number 20040245682
- Publication date Dec 9, 2004
- Kosuke Yamashita
- C21 - METALLURGY OF IRON
Information Patent Application
Method for decarbonization refining of chromium-containing molten s...
- Publication number 20040182203
- Publication date Sep 23, 2004
- Ryuji Nakao
- C21 - METALLURGY OF IRON