Most of the world's hydrogen-related patents were distributed between the Europe, Japan, and the United States as of the end of 2020. Europe, with Germany in the lead, ranked first, accounting for ** percent of the overall total global hydrogen patents. Japan followed at ** percent. China lagged behind with only **** percent of the total number of hydrogen patents in the world.
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France Hydrogène. (January 31, 2023). Distribution of patents related to the hydrogen value chain worldwide from 2011 to 2020, by global region [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved August 02, 2026, from /statistics/1342212/breakdown-of-hydrogen-patents-by-region-worldwide/
France Hydrogène. "Distribution of patents related to the hydrogen value chain worldwide from 2011 to 2020, by global region." Chart. January 31, 2023. ÌÇÐÄÆÆ½â°æ. Accessed August 02, 2026. /statistics/1342212/breakdown-of-hydrogen-patents-by-region-worldwide/
France Hydrogène. (2023). Distribution of patents related to the hydrogen value chain worldwide from 2011 to 2020, by global region. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: August 02, 2026. /statistics/1342212/breakdown-of-hydrogen-patents-by-region-worldwide/
France Hydrogène. "Distribution of Patents Related to The Hydrogen Value Chain Worldwide from 2011 to 2020, by Global Region." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 31 Jan 2023, /statistics/1342212/breakdown-of-hydrogen-patents-by-region-worldwide/
France Hydrogène, Distribution of patents related to the hydrogen value chain worldwide from 2011 to 2020, by global region ÌÇÐÄÆÆ½â°æ, /statistics/1342212/breakdown-of-hydrogen-patents-by-region-worldwide/ (last visited August 02, 2026)
Distribution of patents related to the hydrogen value chain worldwide from 2011 to 2020, by global region [Graph], France Hydrogène, January 31, 2023. [Online]. Available: /statistics/1342212/breakdown-of-hydrogen-patents-by-region-worldwide/