Exploring the innovation landscape of bamboo fiber technologies from global patent data perspective
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Exploring the innovation landscape of bamboo fiber technologies from global patent data perspective Sun Minghan
. Zhu Xiuzhu
. Jiang Man
Received: 8 March 2020 / Accepted: 29 August 2020 Springer Nature B.V. 2020
Abstract With the global popularity of the concept of green and sustainable development, bamboo fiber technology has made great advances and found its way into several important materials applications. This study attempts to analyze the bamboo fiber technology from a patent perspective, hoping to help enterprises and R&D personnels better grasp the technology development trend and evolution path. Because the current patent analysis methods can not achieve the above objectives well, this paper proposes a new method of clustering and identifying sub-clusters by constructing bamboo fiber patent citation network and patent-international patent classification two mode network. Moreover, this paper uses natural language processing and main path analysis to perform subject word analysis and key technology identification on these technological sub-clusters, respectively. The analysis process and method in this study also have implications for patent analysis in technological fields such as graphene or carbon fiber.
S. Minghan Z. Xiuzhu J. Man (&) School of Management, Huazhong University of Science and Technology, Wuhan 430074, China e-mail: [email protected] S. Minghan Z. Xiuzhu J. Man Sino-European Institute for Intellectual Property, Huazhong University of Science and Technology, Wuhan 430074, China
Keywords Bamboo fiber Patent citation network Patent clustering Main path analysis Technology evolution
Introduction With the global popularity of the concept of green and sustainable development, people are gradually realizing that the currently used petrochemical-based fibers and textiles will bring huge burdens on resources and the environment. Therefore, biomass or lignocellulose, as the oldest source of natural polymers and the most abundant renewable resources on Earth, have started re-gain popularity. Bamboo fiber is one of the important classes of natural fibers. Thanks to the promotion of technological innovation and green development concepts, bamboo fiber technology has seen great development and found many important applications. With the rapid development of bamboo fiber technology, enterprises and R&D personnels in this field are facing the following questions : • Which countries or regions are the innovation of bamboo fiber technology mainly distributed from global patent data perspective? • What sub-technologies can bamboo fiber technology innovation be divided into? And what are the ‘‘research hot-spots’’ of each sub-technology?
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• What are the current global innovation trends of this bamboo fiber sub-technologies? However, the current patent analysis method cannot answer the above questions well. Therefore, this study using the latest patent metrology methods (patent family citation network, clu
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