摘要
本文基于专利情报分析方法,从专利数量、申请趋势、被引频次、地域布局等多个维度分析全球各国在电动汽车产业领域的技术竞争态势。研究结果表明:日本是电动汽车申请专利大国,技术发展活跃;日本、美国和德国专利质量高,技术占据竞争优势;全球巨头企业主要在本国、中国、美国进行技术布局;中国近十年内在电动汽车技术上取得巨大进步,发明专利总数排第二;中国企业相较日本、德国、美国、韩国技术实力仍稍显弱势,创新能力有待提高。
The paper analyzes the situation of technology competition in the field of electric vehicle industry from the number of patents,application trend,citation frequency,geographical distribution and other dimensions based on the method of patent information analysis.The results show that Japan is a big patented country for electric vehicles,and the technology development is active;Japan,the United States and Germany have high quality patents,technology occupies a competitive advantage;the global giants enterprises mainly in their own countries,China,the United States for technology layout;China has made tremendous progress in electric vehicle technology in the past decade,invention-specific.China's enterprises are slightly weaker than Japan,Germany,the United States and South Korea in terms of technological strength and innovation capability.
作者
章国亮
李维思
文晓芬
刘蓓
陈琳
Zhang Guoliang;Li Weisi;Wen Xiaofen;Liu Bei;Chen Lin(Hunan Institute of Science and Technology Information,Changsha Hunan 410001)
出处
《创新科技》
2018年第10期28-32,共5页
Innovation science and technology
关键词
专利分析
电动汽车
被引频次
竞争态势
patent analysis
electric vehicle
citation frequency
competition situation