近20年全球锌铝镁镀层钢板技术专利分析

doi:10.13228/j.boyuan.issn0449-749x.20160213

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Abstract Based on Orbit patent analysis system database， the profile of international patents of Zn-Al-Mg coated steel sheets is analyzed in terms of overall development trends， geographic distributions of publication countries， and key technology fields of top inventors. From 1994 to 2013， some important patents and technology trends in the field of global Zn-Al-Mg coated steel sheets are sorted and discussed. It is analyzed that foreign well-known iron and steel enterprise with the latest Zn-Al-Mg coated steel steets’ technology trends. It is found that main Zn-Al-Mg coated steel sheets patent assignees in China are NISSHIN STEEL， NSSMC and JFE.

Key words： Zn-Al-Mg coated steel sheet patent technology patents analysis

Received: 23 May 2016 Published: 02 November 2016

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	ZHOU Yi-Jun
	DAI Yun-Hong
	JIANG Guang-Rui

Cite this article:

ZHOU Yi-Jun,DAI Yun-Hong,JIANG Guang-Rui. Analysis of global patents technology on Zn-Al-Mg coated steel sheets in recent 20 years[J]. Iron and Steel, 2016, 51(11): 7-13.

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http://www.chinamet.cn/Jweb_gt/EN/10.13228/j.boyuan.issn0449-749x.20160213 OR http://www.chinamet.cn/Jweb_gt/EN/Y2016/V51/I11/7

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