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Masayuki Aoyama
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Kanagawa-ken, JP
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last 30 patents
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Patent Grant
Composition and process for treating the surface of copper-containi...
Patent number
5,925,174
Issue date
Jul 20, 1999
Henkel Corporation
Masayuki Aoyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Grant
Surface treatment agent for zinciferous-plated steel
Patent number
5,846,342
Issue date
Dec 8, 1998
Henkel Corporation
Masayuki Aoyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...