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以日本三大汽车公司为研究对象,利用J-GLOBAL数据库中2006-2010年联合申请专利中的共同申请人信息,构建了丰田、日产和本田3个汽车生产企业的研发合作网络,运用社会网络分析理论与方法对研发合作网络特征指标进行了计算与分析。研究表明:日本三大汽车公司的研发合作网络具有星形网络结构特征;日本三大汽车公司研发合作网络中的大部分节点是其原材料、零部件等供应商,重要供应商在网络中处于重要地位。
Taking Japan’s three major automobile companies as the research object, this paper builds the R & D cooperation network of Toyota, Nissan and Honda 3 automotive manufacturers by using the information of the co-applicants in the J-GLOBAL database for joint patent applications from 2006 to 2010. Using the social network Analytical theory and method are used to calculate and analyze the characteristic indexes of R & D cooperation network. The research shows that the R & D cooperation network of Japan’s Big Three car companies has the characteristics of a star network structure. Most of the nodes in the R & D cooperation network of Japan’s Big Three are their suppliers of raw materials, components, etc., and important suppliers are important in the network status.