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Mutsuhisa Nagahama
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Hyogo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Bearing steel
Patent number
9,598,752
Issue date
Mar 21, 2017
Kobe Steel, Ltd.
Masaki Kaizuka
C21 - METALLURGY OF IRON
Information
Patent Grant
Bearing steel material with excellent rolling contact fatigue prope...
Patent number
9,394,593
Issue date
Jul 19, 2016
Kobe Steel, Ltd.
Masaki Kaizuka
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for machine structural use, manufacturing method for same, ca...
Patent number
9,200,357
Issue date
Dec 1, 2015
Kobe Steel, Ltd.
Takehiro Tsuchida
C21 - METALLURGY OF IRON
Information
Patent Grant
Case hardened steel and method for producing same
Patent number
9,115,415
Issue date
Aug 25, 2015
Kobe Steel, Ltd.
Nariaki Okamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for machine structural use
Patent number
9,062,360
Issue date
Jun 23, 2015
Kobe Steel, Ltd.
Takehiro Tsuchida
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Steel for machine and structural use having excellent machinability...
Patent number
8,192,565
Issue date
Jun 5, 2012
Kobe Steel, Ltd.
Tomokazu Masuda
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Wire rod steel
Patent number
6,635,129
Issue date
Oct 21, 2003
Kobe Steel Ltd.
Mutsuhisa Nagahama
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
BEARING STEEL MATERIAL WITH EXCELLENT ROLLING CONTACT FATIGUE PROPE...
Publication number
20140017112
Publication date
Jan 16, 2014
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Masaki Kaizuka
C21 - METALLURGY OF IRON
Information
Patent Application
BEARING STEEL
Publication number
20130183191
Publication date
Jul 18, 2013
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Masaki Kaizuka
C21 - METALLURGY OF IRON
Information
Patent Application
CASE HARDENED STEEL AND METHOD FOR PRODUCING SAME
Publication number
20130174943
Publication date
Jul 11, 2013
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Nariaki Okamoto
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL FOR MACHINE STRUCTURAL USE, MANUFACTURING METHOD FOR SAME, CA...
Publication number
20120168035
Publication date
Jul 5, 2012
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Takehiro Tsuchida
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL FOR MACHINE STRUCTURAL USE
Publication number
20120063945
Publication date
Mar 15, 2012
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel Ltd.)
Takehiro Tsuchida
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL FOR MACHINE AND STRUCTURAL USE HAVING EXCELLENT MACHINABILITY...
Publication number
20100193090
Publication date
Aug 5, 2010
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Tomokazu Masuda
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...