Yasuhisa Shimizu

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-strength steel tube having excellent chemical conversion treat...
- Patent number 8,608,871
- Issue date Dec 17, 2013
- JFE Steel Corporation
- Yasuhide Ishiguro
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PROCESSING MEMBER HAVING EXCELLENT CHEMICAL CONVERSION T...
- Publication number 20110247727
- Publication date Oct 13, 2011
- JFE STEEL CORPORATION
- Yasuhide Ishiguro
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HIGH-STRENGTH STEEL TUBE HAVING EXCELLENT CHEMICAL CONVERSION TREAT...
- Publication number 20110247715
- Publication date Oct 13, 2011
- JFE STEEL CORPORATION
- Yashuhide Ishiguro
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...