Koe Nakajima

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cold rolled steel sheet having excellent press formability and meth...
- Patent number 4,678,522
- Issue date Jul 7, 1987
- Nippon Steel Corporation
- Tsuyoshi Kawano
- C21 - METALLURGY OF IRON
Information Patent Grant
Cold rolled steel sheet having excellent press formability and meth...
- Patent number 4,627,881
- Issue date Dec 9, 1986
- Nippon Steel Corporation
- Tsuyoshi Kawano
- C21 - METALLURGY OF IRON
Information Patent Grant
Ferritic steel having ultra-fine grains and a method for producing...
- Patent number 4,466,842
- Issue date Aug 21, 1984
- Nippon Steel Corporation
- Hiroshi Yada
- C21 - METALLURGY OF IRON