This paper aims to judge the technological competitiveness,technological innovation ability and weak research areas of Shaanxi hydrogen energy enterprises in the whole country,and provide countermeasures and suggestions for Shaanxi enterprises to participate in and promote the development of hydrogen energy industry.Based on patent perspective,this paper applies the patent portfolio analysis to regional analysis.From patent quantity and patent quality,the entropy TOPSIS(Technique for Order Preference by Similarity to an Ideal Solution)model and cluster analysis method are used to compare the technical strength of hydrogen energy enterprises in 31 provinces in China,so as to evaluate the technical competitiveness of hydrogen energy enterprises in Shaanxi.The results show that hydrogen energy industry of Shaanxi is in a relatively backward position in the whole country.According to the clustering results of patented technologies,this paper points out the existing problems and development suggestions of Shaanxi hydrogen energy enterprises.
关键词
氢能企业/专利分析/技术竞争力/熵权TOPSIS/聚类分析
Key words
enterprise of hydrogen energy/patent analysis/technical competitiveness/entropy weight TOPSIS/cluster analysis
维普
万方数据