Research on technological hot spots of Chinese materia medica patent operation based on co-occurrence network / 中草药

ABSTRACT

Taking International Patent Classification (IPC) as the research object and using co-occurrence network analysis method to establish technological field co-occurrence matrix and network map. Based on Chinese materia medica (CMM) patent operation data from National Intellectual Property Office to analyze the technological structure and hot spots of CMM field as well as the relationships among different fields, identify the key areas, and explore new technological growing points.