Identifying the Roles of Research Entities in Technological Knowledge Flow Among Patents Assignees by Using Patent Citations

Abstract

Despite much research on the interdisciplinarity of the publications across subject categories, few studies analyze the interdisciplinarity of the technological knowledge flow among research entities (i.e., patent assignees, inventors, and countries). In this article, we propose a framework to identify the roles of the research entities by measuring the interdisciplinarity of the technological knowledge flow. Research entities are positioned on the two-dimensional maps based on the integration index, diffusion index, and specialization index, which are used to measure the degree of the interdisciplinarity of different research entities in knowledge flow. In order to explore the role of the research entities in knowledge flow, we put forward four kinds of research entities: diverse knowledge provider, active mediator of diverse knowledge flow, diverse knowledge consumer, and negative mediator of diverse knowledge flow. The case study related to synthetic biology indicates that this method is valid and could explore effectively, the roles of the research entities to further guide the creation of new inventions by converging prominent technologies beyond technology field boundaries in facilitating active technology flow and support technological competitive evaluation and policy decision-making.

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