Masataka Yamada

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of cold rolling grain-oriented silicon steel sheet having ex...
- Patent number 5,666,842
- Issue date Sep 16, 1997
- Kawasaki Steel Corporation
- Michiro Komatsubara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of producing grain oriented silicon steel sheet having low i...
- Patent number 5,342,454
- Issue date Aug 30, 1994
- Kawasaki Steel Corporation
- Yasuyuki Hayakawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of manufacturing grain oriented silicon steel sheets
- Patent number 5,318,639
- Issue date Jun 7, 1994
- Kawasaki Steel Corporation
- Yasuyuki Hayakawa
- C21 - METALLURGY OF IRON