Nobuyoshi Okada

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Preservative steel plate having high resistance weldability, corros...
- Patent number 6,361,881
- Issue date Mar 26, 2002
- Nippon Steel Corporation
- Teruaki Izaki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Rust-proofing steel sheet for fuel tanks and production method thereof
- Patent number 5,827,618
- Issue date Oct 27, 1998
- Nippon Steel Corporation
- Yashichi Oyagi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot-dipped aluminum coated steel sheet having excellent corrosion r...
- Patent number 5,789,089
- Issue date Aug 4, 1998
- Nippon Steel Corporation
- Jun Maki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot-dip aluminum coated steel sheet having excellent corrosion resi...
- Patent number 4,891,274
- Issue date Jan 2, 1990
- Nippon Steel Corporation
- Seijun Higuchi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Continuous hot dip aluminum coating method
- Patent number 4,584,211
- Issue date Apr 22, 1986
- Nippon Steel Corporation
- Seizun Higuchi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...