Kouichi Watanabe

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Sakai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hot-dip Zn-A1-Mg plated steel sheet good in corrosion resistance an...
- Patent number 6,379,820
- Issue date Apr 30, 2002
- Nisshin Steel Co., Ltd.
- Atsushi Komatsu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot-dip Zn-Al-Mg coated steel sheet excellent in corrosion resistan...
- Patent number 6,235,410
- Issue date May 22, 2001
- Nisshin Steel Co., Ltd.
- Atsushi Komatsu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...