组织工程与再生医学领域技术创新竞争格局分析OA

Objective To analyze the competitive landscape of technological innovation in the field of tissue engineering and regenerative medicine based on invention patents.Methods This study analyzed invention patents in the field of tissue engineering and regenerative medicine,and explored the time trend,hot spots,regions,and subjects of technological innovation to reveal the competitive landscape.Results There were 70030 invention patent applications worldwide,of which 32034 were authorized,and it had been in a stable development stage in recent years.Technological innovation focused on innovative biomaterials,stem cells and cell culture,tissue repair and regeneration,and surface modification technology.China and the United States were the most active,and the number of invention patent applications and authorizations was far ahead of other countries.Enterprises and universities/research institutes were the most active subjects all over the world.The number of invention patent applications from Massachusetts Institute of Technology and Boston Scientific Corporation was the most prominent,and the universities such as Zhejiang University and Donghua University in China were relatively prominent.Conclusion This study analyzes invention patents in the field of tissue engineering and regenerative medicine,reveals the competitive landscape of technological innovation in a macro and comprehensive manner,and provides information support for the development of this field from the perspective of information science.