Shinji Sasakawa

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Top-blown refining method in converter featuring excellent decarbur...
- Patent number 6,017,380
- Issue date Jan 25, 2000
- Nippon Steel Corporation
- Shinya Kitamura
- C21 - METALLURGY OF IRON
Information Patent Grant
Vacuum refining method for molten steel
- Patent number 5,902,374
- Issue date May 11, 1999
- Nippon Steel Corporation
- Shinya Kitamura
- C21 - METALLURGY OF IRON