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Analyzing Technological Knowledge Diffusion Among Technological Fields Using Patent Data: The Example of Microfluidics

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  • Qiao Zheng

    (Beijing University of Technology, Institute of Economics and Management, Beijing, P. R. China)

  • Lu-Cheng Huang

    (Beijing University of Technology, Institute of Economics and Management, Beijing, P. R. China)

  • Fei-Fei Wu

    (Beijing University of Technology, Institute of Economics and Management, Beijing, P. R. China)

  • Wu Dan

    (Beijing University of Technology, Institute of Economics and Management, Beijing, P. R. China)

  • Zhang Hui

    (Beijing University of Technology, Institute of Economics and Management, Beijing, P. R. China)

Abstract

Study of technological knowledge diffusion can provide a basis for R&D planners to invest new R&D projects with a proper direction. In this paper, we introduce a modified method to analyze the diffusion degree of technological knowledge among different technological fields using patent data at the technology patent class level. This method first generates a patent citation network related to a specific research area and then establishes a technological field diffusion matrix according to the concordance between the patent document and the corresponding patent class. After that indicators are set up to measure the diffusion degree of technological field from two aspects of diffusion depth and breadth and then we discern the diffusion type of typical fields. Finally, we conduct microfluidic technology as a case study to prove the feasibility of the method.

Suggested Citation

  • Qiao Zheng & Lu-Cheng Huang & Fei-Fei Wu & Wu Dan & Zhang Hui, 2017. "Analyzing Technological Knowledge Diffusion Among Technological Fields Using Patent Data: The Example of Microfluidics," International Journal of Innovation and Technology Management (IJITM), World Scientific Publishing Co. Pte. Ltd., vol. 14(01), pages 1-17, February.
    • Handle: RePEc:wsi:ijitmx:v:14:y:2017:i:01:n:s0219877017400041
    DOI: 10.1142/S0219877017400041
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    References listed on IDEAS

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    Cited by:

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    2. Haoyang Song & Jianhua Hou & Yang Zhang, 2022. "Patent protection: does it promote or inhibit the patented technological knowledge diffusion?," Scientometrics, Springer;Akadémiai Kiadó, vol. 127(5), pages 2351-2379, May.
    3. Song, Haoyang & Hou, Jianhua & Zhang, Yang, 2022. "Catalytic capacity of technological innovation: Multidimensional definition and measurement from the perspective of knowledge spillover," Technology in Society, Elsevier, vol. 68(C).

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