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Nikkei Asia
Japan left behind by US and China in AI era patent race
Japan’s position in the global AI patent landscape has significantly weakened, dropping from a dominant 25% share to just 8% over the past 20 years. This decline highlights the increasing leadership and innovation from the U.S. and China in core AI technologies and mechanisms. Japan now ranks fourth, emphasizing a need for strategic initiatives to regain its competitive edge in this crucial tech sector.
MonitorConfidence: HighShort term horizon
Published 20 Aug 2026, 18:20 UTC1 min read
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Summary
TL;DR
- Japan's global patent share fell from 25% to 8% in 20 years.
- U.S. and China lead in AI patents and technological innovation.
- Japan now ranks fourth in AI-related patents behind China, U.S., and South Korea.
- Declining patent numbers indicate reduced investment or innovation in AI.
- Japan's reliance on foreign technology may increase with this trend.
Interesting facts
- Japan's decrease in patent share contrasts sharply with China and the U.S. which have expanded their patent portfolios.
- The decline might reflect broader economic trends in Japan's tech sector.