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Nobuyuki Kikuchi
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Saitama, JP
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Patents Grants
last 30 patents
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Patent Grant
Etching agent, etching method and liquid for preparing etching agent
Patent number
8,871,653
Issue date
Oct 28, 2014
Wako Pure Chemical Industries, Ltd.
Osamu Matsuda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Etching agent, etching method and liquid for preparing etching agent
Patent number
8,513,139
Issue date
Aug 20, 2013
Wako Pure Chemical Industries, Ltd.
Osamu Matsuda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
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Patent Application
ETCHING AGENT, ETCHING METHOD AND LIQUID FOR PREPARING ETCHING AGENT
Publication number
20130280916
Publication date
Oct 24, 2013
Osamu Matsuda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ETCHING AGENT, ETCHING METHOD AND LIQUID FOR PREPARING ETCHING AGENT
Publication number
20110230053
Publication date
Sep 22, 2011
WAKO PURE CHEMICAL INDUSTRIES, LTD.
Osamu Matsuda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...