Hiroki Goto

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Kimitsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Steelmaking process with separate refining steps
- Patent number 4,457,778
- Issue date Jul 3, 1984
- Nippon Steel Corporation
- Hiroyuki Nakashima
- C21 - METALLURGY OF IRON
Information Patent Grant
Steelmaking process with separate refining steps
- Patent number 4,411,696
- Issue date Oct 25, 1983
- Nippon Steel Corporation
- Hiroyuki Nakashima
- C21 - METALLURGY OF IRON
Information Patent Grant
Steelmaking process with separate refining steps
- Patent number 4,388,112
- Issue date Jun 14, 1983
- Nippon Steel Corporation
- Hiroyuki Nakashima
- C21 - METALLURGY OF IRON