Journal
WORLD PATENT INFORMATION
Volume 63, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.wpi.2020.102000
Keywords
Artificial intelligence; Patent metrics; Patent cooperation network
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Funding
- Ministry of Science and Technology, Taiwan [MOST107-2410-H-004-188]
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Studying the distribution of the patent cooperation networks from the perspective of assignees provides a very important reference to improve the analysis of the market situation, master the layout of industrial technology and seek partners or mergers and acquisitions. This study uses the Derwent patent database and the patent metric approach to investigate the cooperative network structure of the assignees. The overall patent output in the artificial intelligence field on a global scale exhibited a rapid growth, and the proportion of cooperative patents significantly increased; the cooperation structure between the assignees was loose, and the innovation efficiency was low.
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