The statistic reveals the number of patent applications made in field of quantum key distribution in various countries worldwide, between 1992 and 2015. As of 2015, there had been a total of *** quantum key distribution patent applications made by corporations based in China.
Profit from the additional features of your individual account
Currently, you are using a shared account. To use individual functions (e.g., mark statistics as favourites, set
statistic alerts) please log in with your personal account.
If you are an admin, please authenticate by logging in again.
Learn more about how ÌÇÐÄÆƽâ°æ can support your business.
The Economist. (March 11, 2017). Quantum key distribution (QKD) patent applications worldwide, as of 2015, by country [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 28, 2026, from /statistics/693648/worldwide-quantum-key-distribution-patent-applications-by-country/
The Economist. "Quantum key distribution (QKD) patent applications worldwide, as of 2015, by country." Chart. March 11, 2017. ÌÇÐÄÆƽâ°æ. Accessed July 28, 2026. /statistics/693648/worldwide-quantum-key-distribution-patent-applications-by-country/
The Economist. (2017). Quantum key distribution (QKD) patent applications worldwide, as of 2015, by country. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 28, 2026. /statistics/693648/worldwide-quantum-key-distribution-patent-applications-by-country/
The Economist. "Quantum Key Distribution (Qkd) Patent Applications Worldwide, as of 2015, by Country." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 11 Mar 2017, /statistics/693648/worldwide-quantum-key-distribution-patent-applications-by-country/
The Economist, Quantum key distribution (QKD) patent applications worldwide, as of 2015, by country ÌÇÐÄÆƽâ°æ, /statistics/693648/worldwide-quantum-key-distribution-patent-applications-by-country/ (last visited July 28, 2026)
Quantum key distribution (QKD) patent applications worldwide, as of 2015, by country [Graph], The Economist, March 11, 2017. [Online]. Available: /statistics/693648/worldwide-quantum-key-distribution-patent-applications-by-country/
