Hideo Koumura

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hot-dip Zn—Al alloy coated steel sheet and producing method therefor
- Patent number 8,962,153
- Issue date Feb 24, 2015
- JFE Galvanizing & Coating Co., Ltd.
- Hideo Koumura
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Galvannealed steel sheet having improved spot-weldability
- Patent number 5,019,460
- Issue date May 28, 1991
- Kawasaki Steel Corporation
- Akira Yasuda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
HOT-DIP Zn-Al ALLOY COATED STEEL SHEET AND PRODUCING METHOD THEREFOR
- Publication number 20100086806
- Publication date Apr 8, 2010
- JFE Galvanizing & Coating Co., Ltd.
- Hideo Koumura
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...