Kenji Tsukamoto

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing aluminum material for use in vacuum
- Patent number 4,615,747
- Issue date Oct 7, 1986
- Showa Aluminum Corporation
- Yutaka Kato
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for producing high-purity aluminum
- Patent number 4,469,512
- Issue date Sep 4, 1984
- Showa Aluminum Corporation
- Hideo Shingu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...