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Eiji Hirai
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Composite particles for composite dispersion plating and method of...
Patent number
6,372,345
Issue date
Apr 16, 2002
Nihon Parkerizing Co., Ltd.
Takayuki Wakae
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Slide member
Patent number
6,190,789
Issue date
Feb 20, 2001
Nihon Parkerizing Co., Ltd.
Masaaki Beppu
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Properties of the surface of a titanium alloy engine valve
Patent number
5,543,029
Issue date
Aug 6, 1996
Fuji Oozx Inc.
Takeji Kenmoku
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Titanium alloy engine valve shaft structure
Patent number
5,370,364
Issue date
Dec 6, 1994
Fuji Oozx Inc.
Takeji Kenmoku
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for surface treatment titanium-containing metallic material
Patent number
5,116,430
Issue date
May 26, 1992
Nihon Parkerizing Co., Ltd.
Eiji Hirai
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Patents Applications
last 30 patents
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Patent Application
Automobile chassis members having high surface hardness and high co...
Publication number
20050118441
Publication date
Jun 2, 2005
Nihon Parkerizing Co., Ltd.
Motohiro Tenmaya
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...