Hidehisa Yamagishi

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Yokohama, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method for continuously quenching electrolytic tin-plated steel strip
- Patent number 4,052,234
- Issue date Oct 4, 1977
- Nippon Kokan Kabushiki Kaisha
- Hidehisa Yamagishi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for continuously quenching electrolytic tin-plated steel str...
- Patent number 4,046,604
- Issue date Sep 6, 1977
- Nippon Kokan Kabushiki Kaisha
- Hidehisa Yamagishi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for forming corrosion-resistant coating on a steel sheet
- Patent number 4,025,692
- Issue date May 24, 1977
- Nippon Kokan Kabushiki Kaisha
- Hidehisa Yamagishi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrolytic post-treating method of electrolytically chromate trea...
- Patent number 3,966,570
- Issue date Jun 29, 1976
- Nippon Kokan Kabushiki Kaisha
- Hidehisa Yamagishi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR