Kazuyuki Oyama

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous phosphating composition and process for metal surfaces
- Patent number 6,179,934
- Issue date Jan 30, 2001
- Henkel Corporation
- Masahiko Kawakami
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Composition and process for chromating metal surfaces
- Patent number 5,395,655
- Issue date Mar 7, 1995
- Henkel Corporation
- Oyama Kazuyuki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for forming colorless chromate coating film on bright alumi...
- Patent number 5,259,937
- Issue date Nov 9, 1993
- Nihon Parkerizing Co. Ltd.
- Norifumi Hatano
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR