电动汽车无线充电专利技术分析

Patent Technology Analysis of Wireless Charging for Electric Vehicles

【目的】无线充电是电动汽车行业发展的核心基础,对电动汽车无线充电专利技术的申请趋势、技术发展脉络进行剖析,以期掌握电动汽车无线充电专利技术的发展态势。【方法】通过专利分析,重点研究电动汽车无线充电专利申请的变化趋势、申请人区域分布、申请人排名、专利申请的技术构成等。【结果】在电动汽车无线充电技术领域,日本和韩国企业占据主导地位。其中,日本丰田、韩国现代的专利申请量具有领先优势。【结论】我国在电动汽车无线充电技术领域起步虽晚,但发展较快,涌现了国家电网、中兴新能源汽车等优势企业,但整体上专利技术缺乏核心竞争力,且面临较强的专利壁垒。

[Purposes]Wireless charging is the core foundation of the development of the electric vehicle industry.This article analyzes the application trends and technological development veins of wireless charging patent technology for electric vehicles,in order to grasp development status of wireless charging patent technology for electric vehicles.[Methods]Through patent analysis,electric vehicle wireless charging patent application changing trends,applicant area distributions,applicant rankings,and technical make-up of patent applications were intensively studied.[Findings]In the field of wireless charging technology for electric vehicles,companies from Japan and the republic of Korea dominate,while Toyota from Japan and Hyundai from the republic of Korea have absolute advantages in patent applications.[Conclusions]Although wireless charging technology for electric vehicles started late in China,it has developed rapidly,with the emergence of advantageous enterprises such as State Grid and ZTE New Energy Vehicles.However,overall,patent technology lacks core competitiveness and faces strong patent barriers.