Abstract: Based on Chinese patents of invention，with data mining and patentometric analysis，an overview of carbon nanotube and its applications is presented. The nanotube technology in China has entered a fast development stage. The core technology distributions of patent applicants，especially the universities and companies，are demonstrated with international patent classification(IPC). By analyzing the patent legal status and application date range，the R&D strength of key assignees and their commitment to carbon nanotube technology are summarized as well.

Key words: carbon nanotube, data mining, technology distribution, legal status

摘要： 通过对中国发明专利进行数据挖掘和计量分析，总结了碳纳米管技术及应用的专利申请情况，结果表明，碳纳米管技术处于高速发展阶段，高等院校和企业申请了大量的专利。通过国际专利分类信息（IPC）研究了重点高等院校和企业申请人的专利技术布局。结合专利申请年份跨度及专利法律状态信息，总结重点专利持有人的技术研发实力和近期技术投入力度。

关键词: 碳纳米管, 数据挖掘, 技术布局, 法律状态