丰田、本田、日产电动汽车专利计量分析

摘要

Electric Vehicle (EV) is the future of Automobile Industry. Japan is the country with the most well developed EV industry. Quantitative analysis on the patents of Japanese EV industry has huge implication on Chinese EV industry development. The study shows that EV patents of Toyota and Honda mainly focus on hybrid electric vehicle, while Nissan has a balanced spread on all three aspects. All of the three EV giants emphasize on Vehicle microprocessor system and fuel cell technology.%　　电动汽车产业是未来汽车行业的发展方向，日本是现今电动汽车产业化最为成功的国家，对日本汽车企业的电动汽车专利进行计量分析，可以作为我国电动汽车发展的他山之石。分析结果显示，日本丰田、本田两家企业的专利领域集中在混合动力汽车，日产专利分布均匀，三家企业都十分重视微处理系统、燃料电池等专利的产出。