关键词: 碳纳米管, 数据挖掘, 技术布局, 法律状态

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