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Understanding the knowledge-diffusion network can help government and businesses effectively use their investment to stimulate science and technology development. We are interested in the roles that innovators play in the cooperative network and how the structural characteristics of innovator cooperative network affect innovative knowledge diffusion in terms of patent citation frequency. We propose an improved model for innovative knowledge diffusion by incorporating the innovator cooperative network with Jaffe’s double exponential model, which has been verified as effective, to evaluate the relationship between the innovator cooperative network and innovative knowledge diffusion. We conduct empirical analysis with the proposed model using patent data from the Derwent database, and discover a positive correlation between the innovator cooperative network and innovative knowledge diffusion. Our results also reveal several interesting patterns of innovative knowledge diffusion in the field of nanostructures. We also discuss the practical implications in knowledge management that analyzing patents, as a form of innovative knowledge, can unveil knowledge diffusion patterns and urge organizations to learn the technology development trend and advance their technology progress.
Jiang et al. (Sun,) studied this question.