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Iwao Shigeoka
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for manufacturing leaf springs
Patent number
9,278,387
Issue date
Mar 8, 2016
NHK Spring Co., Ltd.
Akira Tange
B24 - GRINDING POLISHING
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Patent Grant
Wheel suspension system and spring therefor
Patent number
6,460,835
Issue date
Oct 8, 2002
NHK Spring Co., Ltd.
Toshio Hamano
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
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Patent Application
METHOD FOR MANUFACTURING LEAF SPRINGS
Publication number
20130111961
Publication date
May 9, 2013
NHK Spring Co., Ltd.
Akira Tange
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...