Evolution characteristics of international innovation cooperation network in Zhongguancun:Based on PCT patent analysis
Science and technology parks are increasingly becoming the key carriers of interna-tional innovation cooperation.Revealing the evolution characteristics of the international inno-vation cooperation network of Zhongguancun has important reference value for Zhongguancun to formulate international innovation cooperation policies.Based on PCT patent cooperation da-ta,using social network analysis and spatial analysis methods,this paper discussed the evolution characteristics of the international innovation cooperation network of Zhongguancun on the basis of clarifying its development process.The research findings are as follows:①The international innovation cooperation network of Zhongguancun has experienced an evolutionary process from low-level to high-level development from initial establishment to rapid development and then to transformation and upgrading.②International innovation cooperation shows a spatial pattern of expansion before contraction.The United States has always been the main target of coopera-tion.Each sub-park in Zhongguancun has formed a core area with Chaoyang Park as the main area and Haidian Park and Shijingshan Park as the auxiliary areas.The spatial agglomeration structure mode of Chaoyang Park American cooperation has gradually emerged.③The number of international cooperation subjects is increasing in a fluctuating trend.The core position of lo-cal enterprises in the network is gradually strengthening.The core subjects of the network have changed from multinational giants to local leading enterprises and multinational companies for common development.④Image communication,wireless communication network and electron-ic digital data processing are the hot areas of international cooperation in Zhongguancun.Among them,cooperation with the United States in the field of image communication has in-creased,and cooperation with the United Kingdom in the field of electronic digital data process-ing has increased;cooperation with Japan mainly focuses on the field of wireless communication networks.
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