Hideyoshi Yamaguchi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing forged steel roll
- Patent number 10,144,057
- Issue date Dec 4, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Hirofumi Onishi
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING FORGED STEEL ROLL
- Publication number 20150026957
- Publication date Jan 29, 2015
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Hirofumi Onishi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...