1. Determine the scope and object of drawing: select the patent field, region or country to be studied, and determine the patent institution or company to be analyzed.
2. Determine the data source: collect the relevant information of the analyzed patent, including patent application number, authorization number, patent type, technical field, obligee, patent agency, etc.
3. Screening data: Set screening conditions as required, such as time range, patent type, technical field, etc. , screening out qualified patent information.
4. Establish node relationship: take the screened patent institutions or companies as nodes, and establish the corresponding relationship between nodes. The relationship with patent application, patent authorization, patent transfer, etc. can be * * *.
5. Drawing network diagram: Use appropriate drawing tools, such as MicrosoftVisio and yEd, to draw nodes and relationships into a network diagram.
6. Analysis and interpretation: analyze and interpret the drawn network diagram, explore the connection and interaction between different nodes, and understand the problems, opportunities and future development trends in the process of patent cooperation.