Keizou Okuno

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Chromated metal sheet having high corrosion resistance with improve...
- Patent number 5,700,561
- Issue date Dec 23, 1997
- Kawasaki Steel Corporation
- Junichi Mano
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for producing Mn-Zn ferrites
- Patent number 5,698,145
- Issue date Dec 16, 1997
- Kawasaki Steel Corporation
- Tetsu Narutani
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES