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Fig 1.

Number of patents in robot technology registered with the USPTO and KIPO.

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Fig 2.

Patents in each technology area registered with the USPTO and KIPO since 2001.

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Table 1.

Technologies with ratio of convergence greater than 100%.

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Table 2.

Top 10 robotic technologies for each centrality measure.

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Table 2 Expand

Fig 3.

USPTO patent network map.

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Fig 3 Expand

Fig 4.

KIPO patent network map.

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Table 3.

CONCOR result from both patent offices.

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Table 3 Expand

Table 4.

Significant results of the QAP regression.

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Table 4 Expand

Table 5.

Significant results of QAP regression.

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