核电用钢专利技术研发现状及发展趋势

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摘 要:以1990-2020年间全世界范围内公开的核电用钢专利技术为研究对象,运用专利信息分析方法对数据进行整理及全面、深入地分析,包括全球专利现状分析、中国专利现状分析以及重点专利挖掘三部分内容,概述了核电用钢专利申请趋势、专利分布、专利技术研发趋势。

关键词:核电用钢;专利技术;研发

RESEARCH STATUS ANALYSIS AND DEVELOPMENT TENDENCY OF PATENT TECHNOLOGY OF NUCLEAR POWER STEEL

Li Xia    Cui Dongwei    Geng Xu

(State Key Laboratory of Materials for Marine Equipment and Application    Anshan    114009, China;

2. Ansteel Iron & Steel Research Institues    Anshan    114009, China)

Abstract:Taking the patent technology of nuclear power steel published in the world from 1990 to 2020 as the research object, This paper uses patent information analysis method to sort out and analyze the data comprehensively and deeply, including three parts: global patent status analysis, Chinese patent status analysis and key patent mining, summarizes the patent application trend, patent distribution, patent technology and trend, the direction of main manufacturing enterprises.

Key words:Nuclear power steel; Patented technology; research and development

1    全球专利技术公开概况

1.1    全球专利技术公开趋势

通过对核电用钢相关专利技术进行检索,在所收集到的数据基础上进行数据清洗、筛选,共得到相关专利族651项,专利申请文件1 349件,公开专利文本1 996件。(剩余2764字)

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