Fuminori Okada

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Itami-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Steel wire and spring
- Patent number 12,091,734
- Issue date Sep 17, 2024
- Sumitomo Electric Industries, Ltd.
- Tetsuya Nakajima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
STEEL WIRE AND SPRING
- Publication number 20220307115
- Publication date Sep 29, 2022
- Sumitomo Electric Industries, Ltd.
- Tetsuya NAKAJIMA
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL WIRE FOR SPRING, SPRING, METHOD FOR MANUFACTURING STEEL WIRE...
- Publication number 20190233912
- Publication date Aug 1, 2019
- Sumitomo Electric Industries, Ltd.
- Fuminori Okada
- C21 - METALLURGY OF IRON