基于专利数据的我国钛铝合金材料发展态势研究

Research on the development trend of titanium aluminum alloy materials in China based on patent data

为了解我国钛铝合金材料领域知识产权状况,基于Incopat专利数据库对我国钛铝合金材料领域专利文献进行检索收集、数据统计和计量分析,分析了专利申请趋势、技术构成、地区分布、主要创新主体、主要发明人、重要创新主体、关键研发技术、重点专利情况,揭示出我国钛铝合金材料发展态势。研究发现,专利申请主体集中在高校和科研院所;哈尔滨工业大学、北京科技大学、西北工业大学是重要创新主体;来华专利申请人以日本、美国和德国为主;专利申请涉及精密铸造、熔模铸造、焊接等技术主题。

To understand the status of intellectual property rights in the field of titanium aluminum alloy materials in China,the paper,based on Incopat patent database,carries out retrieval collection,data statistics and econometric analysis of patent documents in the field of titanium aluminum alloy materials in China.And it analyzes patent application trend,technology composition,regional distribution,main innovation subjects,main inventors,important innovation subjects,key R&D technologies,key patents,and so forth,and reveals the development trend of titanium aluminum alloy technology in China.The study shows that patent applicants are concentrated in universities and scientific research institutes.Harbin Institute of Technology,University of Science&Technology Beijing,and Northwestern Polytechnical University are important innovation subjects.The patent applicants in China are mainly from Japan,the United States and Germany,and the patent applications involve some technical topics such as precision casting,investment casting,and welding.