Hiroshi Nakajima

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
High strength phosphorus-containing steel and method for producing...
- Patent number 6,287,397
- Issue date Sep 11, 2001
- Japan as represented by Director General of National Research Institute of Me...
- Toshihiro Hanamura
- C21 - METALLURGY OF IRON
Information Patent Grant
Oxides dispersion steel and making process thereof
- Patent number 6,129,791
- Issue date Oct 10, 2000
- Japan as represented by Director General of National Research Institute for M...
- Hiroshi Nakajima
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
HEAVY WALL STEEL MATERIAL HAVING SUPERIOR WELDABILITY AND METHOD FO...
- Publication number 20110083775
- Publication date Apr 14, 2011
- Hiroshi Nakajima
- C21 - METALLURGY OF IRON
Information Patent Application
Heavy wall steel material having superior weldability and method fo...
- Publication number 20070119527
- Publication date May 31, 2007
- Hiroshi Nakajima
- C21 - METALLURGY OF IRON
Information Patent Application
Heavy wall steel material having superior weldability and method fo...
- Publication number 20050178482
- Publication date Aug 18, 2005
- Hiroshi Nakajima
- C21 - METALLURGY OF IRON
Information Patent Application
Heavy wall steel material having superior weldability and method fo...
- Publication number 20030145917
- Publication date Aug 7, 2003
- Hiroshi Nakajima
- C21 - METALLURGY OF IRON
Information Patent Application
Heavy wall steel material having superior weldability and method fo...
- Publication number 20020026969
- Publication date Mar 7, 2002
- Hiroshi Nakajima
- C21 - METALLURGY OF IRON