Research on patent of fuel cell based on SNA

This paper focuses on the research on patents of proton exchange membrane fuel cell (PEMFC). It uses the method of Social Network Analysis (SNA) to analyze the core patent and assignees of GM and Panasonic. Therefore, we can obtain the core patent, future trends of technology and other important information. This paper aims to provide reference information for the enterprise to understand the industry dynamics and make development plan in technology.