The patents related to metamaterials searched from the Derwent Innovation Index are analyzed in detail, and the trends of global technology innovation in metamaterials are revealed from the five aspects of proprietary tech-nique developing, distribution of technology sources, trends of major countries' patent application, R&D hotspots, and main assignees, with a view to providing support for China' s decision-making in matematerial research and de-velopment.The results show that metamaterials technology is currently in a stage of further research, and the main technical topics are high-performance antenna, optical lens, metamaterials structure, etc..China and the United States are the backbone of developing metamaterials technology.Shenzhen Kuang-chi, which is from China, is a leader in this field, while the enterprises and research institutes from the United States, Korea, Japan and other countries are also actively applying for patents.The global competitive situation in the metamaterials technology market is taking shape.%通过对德温特专利数据库中收录的超材料技术专利进行深入分析,从专利技术的发展、技术来源国家分布、主要国家技术申请趋势、技术研发热点以及技术研发主体五个方面揭示了全球超材料技术创新的趋势,以期为我国科研机构的技术研发提供决策支持.研究表明,全球超材料技术目前正处于深入研究阶段,专利申请主要围绕高性能天线、光学透镜、超材料自身结构的实现等技术主题展开;中美等国是发展超材料技术的中坚力量,其中深圳光启是技术申请的领军人物,美、韩、日等国的多家企业和科研院所也在积极研发,全球市场竞争态势正在逐渐形成.
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