First, the nano-patent of both sides of the Taiwan Strait is retrieved with subject term search in Derwent Innovation Index (DII), and then a comparison from the distribution of time, assignee, class code, and subject category is made. After that, through Derwent manual code co-occurrence analysis on the time zone, the special emphasis of Taiwan and Mainland China is distinguished with the indicators of manual codes’ frequency and centrality. Furthermore, in the perspective of technology evolution, the development divergence is described and the lately research front of both sides of the Taiwan Strait is revealed by empirical research, in which Taiwan’s focus is touch screen (t04-f02a2) and Mainland China’s concern is oxyethylene co-polymers (a05-h03). At last, four countermeasures are indicated from the standpoint of long term collaboration.
Key words
patentometrics /
nano-patent /
patent manual code co-occurrence /
development strategy
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