Ryuji HAMADA

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Tokyo, JP

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Patents Applicationslast 30 patents

Information Patent Application
STAINLESS STEEL SHEET FOR POLYMER ELECTROLYTE FUEL CELL SEPARATOR
- Publication number 20180034070
- Publication date Feb 1, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Yoshio TARUTANI
- C21 - METALLURGY OF IRON
Information Patent Application
FERRITIC STAINLESS STEEL MATERIAL, AND, SEPARATOR FOR SOLID POLYMER...
- Publication number 20170298488
- Publication date Oct 19, 2017
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Yoshio TARUTANI
- C21 - METALLURGY OF IRON