Patent Research In The Core Technology Field Of Electric Vehicles

China’s economy has been developing rapidly and continuously,people’s material living standards have been improving day by day,and the automobile penetration rate has been increasing year by year.The popularity of automobiles has changed people’s way of travel and improved people’s quality of life.However,people are also facing increasingly serious environmental pollution problems and the exhaustion of energy.Enterprises,universities and research institutes in China insists on developing electric vehicle technologies.It has laid a solid foundation for the future.This paper analyzes and studies the characteristics of patent layout and patent data.The first chapter mainly expounds the development of electric vehicle.The second chapter mainly defines the research concept of electric vehicle and summarizes the previous literature.Chapter 3 mainly analyzes the related technology of electric vehicle.Chapter 4 mainly analyzes the patent data in Japan,the United States and China.Chapter 5 mainly analyzes the patent application trend of electric vehicle hot spots,summarizes the opportunities and challenges of electric vehicle market,and puts forward countermeasures and suggestions.The sixth chapter mainly summarized China’s electric vehicles.The innovation of this thesis lies in the comprehensive and systematic analysis of electric vehicles.It also conducted research and analysis on patent data in the core areas of electric vehicles in China,the United States,and Japan,which were electric vehicles by the deadline of January 2019.This paper comprehensively analyzes the development prospects and directions of electric vehicles in China and the opportunities and challenges of the domestic electric vehicle market,and finally forms suggestions and opinions on the development of electric vehicles.