As a patent information analysis tool, the patent map will provide a strong support to the technological innovation activites of the enterprises, but presently an effective visual tool to guide patent innovation practice is lacking. From the perspective of the patent information content and the characteristics of technological innovation activities, this paper builds up the patent map analysis framework of technological innovation, and make an technological innovation visualization experiments from the perspective of the technology subject distribution, technology structure, technology market, technology advantage, technology cooperation, technology dependence and proposed an improved co-occurrence analysis model to display the analysis results in the form of atlas. Based on this, some visualized testing was conducted in the fields of highway to provide the means of support based on the engineering technological analysis.
Key words
patent map /
technological innovation /
visualization /
innovation decision
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