Masaru Kodama

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Amagasaki, JP

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Patents Grantslast 30 patents

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High strength steel strand for prestressed concrete and method for...
- Patent number 5,762,724
- Issue date Jun 9, 1998
- Shinko Kosen Kogyo Kabushiki Kaisha
- Yukio Yamaoka
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for facilitating distinction between different steel products
- Patent number 5,380,407
- Issue date Jan 10, 1995
- Shinko Kosen Kogyo Kabushiki Kaisha
- Yukio Yamaoka
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR