Akihiko Hasebe

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Kanagawa, JP

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Patents Grantslast 30 patents

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
Information Patent Grant
Metal surface hydrophilicizing process and composition
- Patent number 4,954,372
- Issue date Sep 4, 1990
- Nihon Parkerizing Co., Ltd.
- Ryohsuke Sako
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...