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Hiroshi Oura
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Kobe-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
High-strength steel material having excellent fatigue properties
Patent number
10,385,430
Issue date
Aug 20, 2019
Kobe Steel, Ltd.
Hiroshi Oura
C21 - METALLURGY OF IRON
Information
Patent Grant
High carbon steel wire rod having excellent drawability
Patent number
9,994,940
Issue date
Jun 12, 2018
Kobe Steel, Ltd.
Hiroshi Oura
C21 - METALLURGY OF IRON
Information
Patent Grant
High-carbon steel wire excellent in wire drawability and fatigue pr...
Patent number
9,121,080
Issue date
Sep 1, 2015
Kobe Steel, Ltd.
Hiroshi Oura
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
HIGH-STRENGTH STEEL MATERIAL HAVING EXCELLENT FATIGUE PROPERTIES
Publication number
20180216214
Publication date
Aug 2, 2018
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Hiroshi OURA
C21 - METALLURGY OF IRON
Information
Patent Application
HEAT-TREATED STEEL WIRE HAVING EXCELLENT BENDABILITY
Publication number
20180087124
Publication date
Mar 29, 2018
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Hiroshi OURA
C21 - METALLURGY OF IRON
Information
Patent Application
HEAT-TREATED STEEL WIRE HAVING EXCELLENT FATIGUE-RESISTANCE CHARACT...
Publication number
20180073093
Publication date
Mar 15, 2018
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Hiroshi OURA
C21 - METALLURGY OF IRON
Information
Patent Application
COIL SPRING, AND METHOD FOR MANUFACTURING SAME
Publication number
20160160306
Publication date
Jun 9, 2016
NHK Spring Co., Ltd.
Fumio YAMAMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH CARBON STEEL WIRE ROD HAVING EXCELLENT DRAWABILITY
Publication number
20130216423
Publication date
Aug 22, 2013
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Hiroshi Oura
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-CARBON STEEL WIRE EXCELLENT IN WIRE DRAWABILITY AND FATIGUE PR...
Publication number
20130022491
Publication date
Jan 24, 2013
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Hiroshi Oura
C21 - METALLURGY OF IRON