Iwao Kawasaki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for forming wear-resistant layer and iron-based material, on...
- Patent number 6,139,973
- Issue date Oct 31, 2000
- Nihon Parkerizing Co., Ltd.
- Iwao Kawasaki
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Composition of the surface treatment for metal and the treatment me...
- Patent number 4,966,634
- Issue date Oct 30, 1990
- Nihon Parkerizing Co., Ltd.
- Kenshi Saeki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Chromate coating of zinc surfaces
- Patent number 4,749,418
- Issue date Jun 7, 1988
- Nihon Parkerizing Co., Ltd.
- Kenshi Saeki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...