Tadayoshi Okada

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fire-resistant steel superior in weld joint reheat embrittlement re...
- Patent number 8,715,432
- Issue date May 6, 2014
- Nippon Steel & Sumitomo Metal Corporation
- Yasushi Hasegawa
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
FIRE-RESISTANT STEEL SUPERIOR IN WELD JOINT REHEAT EMBRITTLEMENT RE...
- Publication number 20100132855
- Publication date Jun 3, 2010
- Yasushi Hasegawa
- C21 - METALLURGY OF IRON
Information Patent Application
High tensile steel excellent in high temperature strength and metho...
- Publication number 20060065335
- Publication date Mar 30, 2006
- Yasushi Mizutani
- C21 - METALLURGY OF IRON