Naoki Matsunaga

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
High toughness and high tensile strength thick steel plate and prod...
- Patent number 10,443,110
- Issue date Oct 15, 2019
- JFE Steel Corporation
- Shigeki Kitsuya
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Thick, tough, high tensile strength steel plate and production meth...
- Patent number 10,000,833
- Issue date Jun 19, 2018
- JFE Steel Corporation
- Shigeki Kitsuya
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
HIGH TOUGHNESS AND HIGH TENSILE STRENGTH THICK STEEL PLATE AND PROD...
- Publication number 20170088913
- Publication date Mar 30, 2017
- JFE STEEL CORPORATION
- Shigeki Kitsuya
- C21 - METALLURGY OF IRON
Information Patent Application
THICK, TOUGH, HIGH TENSILE STRENGTH STEEL PLATE AND PRODUCTION METH...
- Publication number 20160010192
- Publication date Jan 14, 2016
- JFE STEEL CORPORATION
- Shigeki Kitsuya
- C21 - METALLURGY OF IRON