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| Identification of the Main Path of Technology Diffusion and Core Enterprises: A Case Study of Patent Citation Network in Mobile Phone Chips |
| Sun Bing1, Xu Xiaofei2, Su Xiao1 |
1. School of Management and Economics, Harbin Engineering University, Harbin 150001
2. School of Tourism and Cuisine, Harbin University of Commerce, Harbin 150028 |
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Abstract Patents are the largest source of information technology in the world. The change of patent reference data can reflect technology diffusion in an objective way. By using mobile phone chip technology as the research object, this paper constructs its patent citation network according to its patent data from 1990-2015 and then carries out an analysis of the overall network and the distribution of node degrees in the network. Consequently, the core patent of its citation network is determined and the main path of the patent technology diffusion of mobile phone chips is identified with respect to the network topology parameters. Furthermore, based on the BCRW algorithm, the differentiation of the core enterprises in the patentee network is completed.
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Received: 02 May 2018
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