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This paper selected 20 electrical companies’ patents as study subjects. From surface features level, we analysed patents information in growth rates of patent applications, the distribution of patent types and IPC types, and patents quality evaluation. From content features level, we studied the patents topic clustering via LDA and the network centrality via UCINET. Thus we excavated the internal information of patents data and the technology competitive situation of the Electric Industry, to learn the competitive focus, industry technology innovation, and production and management trends. Then we provide those electrical companies with reference data to formulate development strategies.

A Competition Analysis based on Patents of Chinese Electric Industry