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Spatial-temporal evolution of technology flows in China’s Beijing-Tianjin-Hebei region: Patent transfer networks 2003–2021

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  • Xumei Yuan
  • Fuli Wei
  • Ming Zhang
  • Xu Zhang

Abstract

This paper presents new evidence on knowledge flows in the Beijing-Tianjin-Hebei region of China, involving 43 cities (districts) in the Beijing-Tianjin-Hebei region, based on the invention patent transfer data from the State Intellectual Property Office of China. First, the characteristics of technology flows in the Beijing-Tianjin-Hebei region are analyzed in terms of changes in the number of flows, types of flowing subjects and spatial distribution characteristics. Then, a multi-level patent technology flow network in the Beijing-Tianjin-Hebei region was constructed, and the structural characteristics and node characteristics of each level network were explored separately. The key findings of the study are as follows. (1) The number of patented technology flows has been growing over time, showing obvious phase characteristics during the study period. As a whole, the intra-city (district) technology flow in the Beijing-Tianjin-Hebei region is higher than the inter-city (district). (2) The multi-level patent technology flow network in the Beijing-Tianjin-Hebei region shows dynamic characteristics, with more and more mobile subjects participating in the patent technology flow network, some network nodes becoming closer to each other, and the trend of small group technology flow increasing significantly. (3) Enterprises are the core hub of the patent technology flow network in Beijing-Tianjin-Hebei region. Individual invention patent technology transfer also occupies a high proportion and the participation of universities and colleges in the patent technology flow network in the Beijing-Tianjin-Hebei region is gradually increasing. (4) Over time, the flow of patent technology in the 43 cities (districts) in the Beijing-Tianjin-Hebei region has gradually become active and no longer relies excessively on a particular city (district) for patent technology transfer.

Suggested Citation

  • Xumei Yuan & Fuli Wei & Ming Zhang & Xu Zhang, 2024. "Spatial-temporal evolution of technology flows in China’s Beijing-Tianjin-Hebei region: Patent transfer networks 2003–2021," PLOS ONE, Public Library of Science, vol. 19(6), pages 1-38, June.
    • Handle: RePEc:plo:pone00:0301509
    DOI: 10.1371/journal.pone.0301509
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