Yoshiyuki Murakawa

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Yonago-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
High strength steel for dies with excellent machinability
- Patent number 6,413,329
- Issue date Jul 2, 2002
- Hitachi Metals, Ltd.
- Hideshi Nakatsu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
HIGH STRENGTH STEEL FOR DIES WITH EXCELLENT MACHINABILITY
- Publication number 20020044880
- Publication date Apr 18, 2002
- HITACHI METALS, LTD
- Hideshi Nakatsu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...