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. 2022 Oct 23;26:59. doi: 10.1186/s40824-022-00307-0

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Fig. 6 — Distribution and ratio of old and new tech in the USA, China and Korea. A The ThemeScape-based patent analysis shows that there are differences in the areas of applied technology by country. Patents filed in the USA are indicated in the red region, Korean patents are indicated in yellow, and Chinese patents are shown in the green region. B Descriptive diagram of the technical classification of patents recently applied for in these three countries