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采用专利H指数,以美国专利商标局(USPTO)的专利数据作为数据源,对专利数量排名前17位的国家(地区)和金砖五国(中国、巴西、印度、俄罗斯和南非)进行了国家间的专利对比分析。研究结果表明,无论从整体分析来看,还是分六大技术领域来看,美国和日本的专利H指数都一直遥遥领先于其他国家;中国在金砖国家中表现尚可,但与其他发达国家仍有较大差距。通过国家间专利被引情况及专利实时影响指数等指标进行分析,发现与H指数的分析结果类似。
Using the patented H-index and USPTO patent data as a data source, the top 17 countries and BRICS (China, Brazil, India, Russia and South Africa) were patented Comparative Analysis of Patents Between Countries. The results show that the patent H index of the United States and Japan has always been far ahead of other countries in terms of overall analysis or in terms of six technical fields. Although China can perform well in the BRICS countries, it is still very close to other developed countries There is still a big gap. Through the analysis of the quoted conditions of patents in the country and the real-time impact index of the patent, it was found that the analysis result was similar to that of the H index.