Ryoji Ehara

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Kanagawa-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composition and process for surface treatment of aluminum and its a...
- Patent number 6,153,022
- Issue date Nov 28, 2000
- Henkel Corporation
- Masayuki Yoshida
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Composition and process for treating the surface of aluminiferous m...
- Patent number 6,059,896
- Issue date May 9, 2000
- Henkel Corporation
- Ryoji Ehara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Metal-coating-film laminate system and a method of use of the coati...
- Publication number 20020037403
- Publication date Mar 28, 2002
- Henkel Corporation
- Masayuki Yoshida
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...