China has the highest share of patents filed in all types of quantum technologies, accounting for over half of the patents filed in every segment except quantum communications. According to the source, Japan has been among the top three countries in patent development since the early 2000s.
Quantum technology patent share from 2000 to 2022, by segment and country
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McKinsey & Company. (May 2, 2023). Quantum technology patent share from 2000 to 2022, by segment and country [Graph]. In Statista. Retrieved December 22, 2024, from https://www.statista.com/statistics/1318009/quantum-technology-patent-share-segment-country/
McKinsey & Company. "Quantum technology patent share from 2000 to 2022, by segment and country." Chart. May 2, 2023. Statista. Accessed December 22, 2024. https://www.statista.com/statistics/1318009/quantum-technology-patent-share-segment-country/
McKinsey & Company. (2023). Quantum technology patent share from 2000 to 2022, by segment and country. Statista. Statista Inc.. Accessed: December 22, 2024. https://www.statista.com/statistics/1318009/quantum-technology-patent-share-segment-country/
McKinsey & Company. "Quantum Technology Patent Share from 2000 to 2022, by Segment and Country." Statista, Statista Inc., 2 May 2023, https://www.statista.com/statistics/1318009/quantum-technology-patent-share-segment-country/
McKinsey & Company, Quantum technology patent share from 2000 to 2022, by segment and country Statista, https://www.statista.com/statistics/1318009/quantum-technology-patent-share-segment-country/ (last visited December 22, 2024)
Quantum technology patent share from 2000 to 2022, by segment and country [Graph], McKinsey & Company, May 2, 2023. [Online]. Available: https://www.statista.com/statistics/1318009/quantum-technology-patent-share-segment-country/