Masatoshi Kumagai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cold-rolled steel sheet, method for manufacturing the same, and bac...
- Patent number 8,449,699
- Issue date May 28, 2013
- JFE Steel Corporation
- Taro Kizu
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
COLD-ROLLED STEEL SHEET, METHOD FOR MANUFACTURING THE SAME, AND BAC...
- Publication number 20110120600
- Publication date May 26, 2011
- JFE STEEL CORPORATION
- Taro Kizu
- C21 - METALLURGY OF IRON