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Yuji ARAOKA
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Yokohama-shi, Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Titanium alloy member and production method therefor
Patent number
10,350,681
Issue date
Jul 16, 2019
NHK Spring Co., Ltd.
Tohru Shiraishi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High-strength titanium alloy member and production method for same
Patent number
10,151,019
Issue date
Dec 11, 2018
NHK Spring Co., Ltd.
Yuji Araoka
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Magnesium alloy member and production method therefor
Patent number
9,920,403
Issue date
Mar 20, 2018
NHK Spring Co., Ltd.
Yuji Araoka
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Titanium alloy member and production method therefor
Patent number
9,920,399
Issue date
Mar 20, 2018
NHK Spring Co., Ltd.
Tohru Shiraishi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Magnetic plate used for rotor core of motor and method for manufact...
Patent number
9,570,948
Issue date
Feb 14, 2017
NHK Spring Co., Ltd.
Yohei Kameda
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
ELECTRIC RESISTANCE-WELDED STEEL TUBE FOR HOLLOW STABILIZER, HOLLOW...
Publication number
20220186331
Publication date
Jun 16, 2022
NIPPON STEEL CORPORATION
Yukinobu NAGATA
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
MAGNETIC PLATE USED FOR ROTOR CORE OF MOTOR AND METHOD FOR MANUFACT...
Publication number
20160065015
Publication date
Mar 3, 2016
NHK Spring Co., Ltd.
Yohei KAMEDA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MAGNESIUM ALLOY MEMBER AND PRODUCTION METHOD THEREFOR
Publication number
20150104669
Publication date
Apr 16, 2015
NHK SPRIG CO., LTD.
Yuji Araoka
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
TITANIUM ALLOY MEMBER AND PRODUCTION METHOD THEREFOR
Publication number
20140212319
Publication date
Jul 31, 2014
NHK Spring Co., Ltd.
Tohru Shiraishi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
TITANIUM ALLOY MEMBER AND PRODUCTION METHOD THEREFOR
Publication number
20140112819
Publication date
Apr 24, 2014
NHK Spring Co., Ltd.
Tohru Shiraishi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
HIGH-STRENGTH MAGNESIUM ALLOY WIRE ROD, PRODUCTION METHOD THEREFOR,...
Publication number
20130195711
Publication date
Aug 1, 2013
NHK Spring Co., Ltd.
Yuji Araoka
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
HIGH-STRENGTH TITANIUM ALLOY MEMBER AND PRODUCTION METHOD FOR SAME
Publication number
20130149183
Publication date
Jun 13, 2013
NHK Spring Co., Ltd.
Yuji Araoka
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...