Hiroshi Oishi

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Wakayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electroplating of hot-galvanized steel sheet and continuous plating...
- Patent number 5,236,574
- Issue date Aug 17, 1993
- Sumitomo Metal Industries, Ltd.
- Kazuhide Oshima
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for direct zinc electroplating of aluminum strip
- Patent number 5,234,574
- Issue date Aug 10, 1993
- Sumitomo Metal Industries, Ltd.
- Masanori Tsuji
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Steel sheet dip-plated with a Zn-Al alloy and process for the manuf...
- Patent number 5,069,981
- Issue date Dec 3, 1991
- Sumitomo Metal Industries, Ltd.
- Hiroshi Oishi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...