Osamu Ooyama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rolled wire rod and manufacturing method thereof
- Patent number 9,169,530
- Issue date Oct 27, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Masashi Sakamoto
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
ROLLED WIRE ROD AND MANUFACTURING METHOD THEREOF
- Publication number 20150167112
- Publication date Jun 18, 2015
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Masashi Sakamoto
- C21 - METALLURGY OF IRON