Yasumi Ariyoshi

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Chemically processed steel sheet improved in corrosion resistance
- Patent number 6,544,666
- Issue date Apr 8, 2003
- Nisshin Steel Co., Ltd.
- Kouichiro Ueda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Steel sheet coated with Zn-Mg binary coating layer excellent in cor...
- Patent number 5,747,111
- Issue date May 5, 1998
- Nisshin Steel Co., Ltd.
- Yasushi Fukui
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Steel sheet coated witn Zn-Mg binary coating layer excellent in cor...
- Patent number 5,648,177
- Issue date Jul 15, 1997
- Nisshin Steel Co., Ltd.
- Yasushi Fukui
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Chemically processed steel sheet improved in corrosion resistance
- Publication number 20020090529
- Publication date Jul 11, 2002
- Nisshin Steel Co., Ltd.
- Kouichiro Ueda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...