Citespace Analysis Patent Overview

Input data requirements: Derwent Patent data format.

First step: Format conversion: citespace:data〉import/export〉derwent*

Step two: Build a new project.

Step three: Select a node type, such as category.

Based on the main classification clustering of patents filed between Google and 1999-2009. The label is taken from the noun phrase in the patent title. The most patented categories are about query (cluster # #) and removing phrase distortion (cluster #32).

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Citespace Analysis Patent Overview