Yoshio Fukuzaki

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Steel for high-cleanliness spring with excellent fatigue characteri...
- Patent number 8,187,530
- Issue date May 29, 2012
- Kobe Steel, Ltd.
- Tomoko Sugimura
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing high cleanness steel excellent in fatigue stre...
- Patent number 7,615,099
- Issue date Nov 10, 2009
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Koichi Sakamoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing high cleanliness steel excellent in fatigue st...
- Patent number 7,608,130
- Issue date Oct 27, 2009
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Koichi Sakamoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Spring steel superior in fatigue properties
- Patent number 6,328,820
- Issue date Dec 11, 2001
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Yoshinori Yamamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
STEEL FOR HIGH-CLEANLINESS SPRING WITH EXCELLENT FATIGUE CHARACTERI...
- Publication number 20100086432
- Publication date Apr 8, 2010
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Tomoko Sugimura
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING HIGH CLEANNESS STEEL EXCELLENT IN FATIGUE STRE...
- Publication number 20080202289
- Publication date Aug 28, 2008
- KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD)
- Koichi Sakamoto
- C21 - METALLURGY OF IRON
Information Patent Application
Method for producing high cleanness steel excellent in fatigue stre...
- Publication number 20060156864
- Publication date Jul 20, 2006
- Kabushiki Kaisha Kobe Seiko Sho
- Koichi Sakamoto
- C21 - METALLURGY OF IRON