Yukari Nakazawa

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Ibaraki-Ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-strength steel tube and heat treatment method of heat-treating...
- Patent number 8,273,195
- Issue date Sep 25, 2012
- Sanoh Kogyo Kabushiki Kaisha
- Hideki Toyoshima
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
HIGH-STRENGTH STEEL TUBE AND HEAT TREATMENT METHOD OF HEAT-TREATING...
- Publication number 20090032149
- Publication date Feb 5, 2009
- Hideki Toyoshima
- C21 - METALLURGY OF IRON