Masahito Tanaka

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Stainless steel pipe having excellent expandability for oil country...
- Patent number 8,980,167
- Issue date Mar 17, 2015
- JFE Steel Corporation
- Mitsuo Kimura
- C21 - METALLURGY OF IRON
Information Patent Grant
Seamless expandable oil country tubular goods and manufacturing met...
- Patent number 8,512,487
- Issue date Aug 20, 2013
- JFE Steel Corporation
- Yoshio Yamazaki
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
MARTENSITIC STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR G...
- Publication number 20100193087
- Publication date Aug 5, 2010
- JFE STEEL CORPORATION
- Yukio Miyata
- C21 - METALLURGY OF IRON
Information Patent Application
Stainless Steel Pipe Having Excellent Expandability for Oil Country...
- Publication number 20080310990
- Publication date Dec 18, 2008
- Mitsuo Kimura
- C21 - METALLURGY OF IRON
Information Patent Application
Seamless expandable oil country tubular goods and manufacturing met...
- Publication number 20070116975
- Publication date May 24, 2007
- Yoshio Yamazaki
- C21 - METALLURGY OF IRON