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Hiroyuki Oyokawa
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Surface treatment composition for coated steel sheet, surface treat...
Patent number
10,450,468
Issue date
Oct 22, 2019
Nihon Parkerizing Co., Ltd.
Shigeki Yamamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aluminum-zinc plated steel sheet and method for producing the same
Patent number
10,053,753
Issue date
Aug 21, 2018
Nippon Steel & Sumikin Coated Sheet Corporation
Nobuki Shiragaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Surface-coated aluminum and zinc plated steel sheet and method of p...
Patent number
9,133,346
Issue date
Sep 15, 2015
Nippon Steel & Sumikin Coated Sheet Corporation
Nobuki Shiragaki
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Patents Applications
last 30 patents
Information
Patent Application
SURFACE TREATMENT COMPOSITION FOR COATED STEEL SHEET, SURFACE TREAT...
Publication number
20160083590
Publication date
Mar 24, 2016
Nihon Parkerizing Co., Ltd.
Shigeki YAMAMOTO
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
ALUMINUM-ZINC PLATED STEEL SHEET AND METHOD FOR PRODUCING THE SAME
Publication number
20160002753
Publication date
Jan 7, 2016
NIPPON STEEL & SUMIKIN COATED SHEET CORPORATION
Nobuki Shiragaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SURFACE-COATED ALUMINUM AND ZINC PLATED STEEL SHEET AND METHOD OF P...
Publication number
20150044498
Publication date
Feb 12, 2015
Nippon Steel & Sumikin Coated Sheet Corporation
Nobuki Shiragaki
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
SURFACE-TREATED PRECOATED METAL SHEET, PROCESS FOR PRODUCING SAME,...
Publication number
20120040194
Publication date
Feb 16, 2012
NIPPON STEEL CORPORATION
Takao Kanai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...