国家关系视角下中国在美专利引用状况计量研究

Study on Pantent Citation of USPTO in Visual of Relationship between China and other Countries and Regions

通过专利引文分析方法,对美国专利商标局(USPTO)数据库中的中国专利与其他国家和地区的专利的引用情况进行全面考察。时间维度的考察将揭示中国与其他国家之间关系发展的趋势;技术领域维度的考察展现出中国在相应技术领域与其他国家间关系的相对聚集。分析结果表明,美、日、德等国家是中国前向引用和后向引用主要的来源国,这在总量和各技术领域层面都得到展现。

The authors study the patents of China and other countries and regions in the United States patent and trademark office （USPTO） database through the analysis method of patent citation. The analysis within time dimension can reveal the trend of relation- ship development between China and other countries and regions, while in technological dimension it shows aggregation in selected technological field among countries and regions. Results show that U. S. , Japan, Germany, etc. are our original countries for forward and backward citation, and the above also can be displayed in total amount and all aspects of each technological field.