A Comparative Analysis of the Technological–Industrial Linkage Structure and Filing Types of Artificial Intelligence Patents: Evidence from Korea, 2022–2025

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Key Points

This analysis aims to compare the technological-industrial linkage structure and filing types of artificial intelligence patents from 2022 to 2025 in Korea.
Analyzed AI patent data from Korea between 2022 and 2025 using international patent classification and Korean standard industrial classification.
Compared single and joint patent filings to understand technological linkage and collaborative structures across industries.
Examined industry-specific technology distribution and collaboration methods based on patent data.
Single filings primarily formed an application-service implementation structure linked to manufacturing and information communication sectors.
Joint filings were centered around advancements in data processing and machine learning, connecting more to mobility and software industries.
Joint filings highlighted the importance of collaborative networks and industry-academia cooperation in innovation.

Comparative analysis uncovers differences in AI patent linkages and filing types in Korea, indicating innovation trends and strategic implications.

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Kim et al. (2026) studied this question.

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