Fujio Koizumi

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Kobe-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wire with excellent suitability for drawing and process for produci...
- Patent number 9,267,183
- Issue date Feb 23, 2016
- Kobe Steel, Ltd.
- Takuya Kochi
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel wire material for spring and its producing method
- Patent number 8,382,918
- Issue date Feb 26, 2013
- Kobe Steel, Ltd.
- Nao Yoshihara
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
STEEL WIRE MATERIAL FOR SPRING AND ITS PRODUCING METHOD
- Publication number 20110303327
- Publication date Dec 15, 2011
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Nao YOSHIHARA
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL WIRE MATERIAL FOR SPRING AND ITS PRODUCING METHOD
- Publication number 20090020189
- Publication date Jan 22, 2009
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Nao YOSHIHARA
- C21 - METALLURGY OF IRON
Information Patent Application
WIRE WITH EXCELLENT SUITABILITY FOR DRAWING AND PROCESS FOR PRODUCI...
- Publication number 20090007998
- Publication date Jan 8, 2009
- KAB KAISHA KOBE SEIKO SHO (Kobe Steel, Ltd.)
- Takuya Kochi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
SPRING STEEL WIRE ROD EXCELLENT IN PICKLING PERFORMANCE
- Publication number 20070125455
- Publication date Jun 7, 2007
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Nao YOSHIHARA
- C21 - METALLURGY OF IRON