This statistic shows the ** companies that filed the highest number of patents on hydrogen applied to the automotive sector by patent type between 2011 and 2020. Japanese and Korean manufacturers are the most advanced in filing patents on the use of hydrogen fuel cells in automobiles. Toyota and Hyundai filed *** and *** patents on this technology, respectively.
Regarding other patent filings related to technologies linked to electrolysis, these same manufacturers remain at the top. Notably, Bosch filed *** patents on polymer materials for separators, that is, polymer-based separators used in lithium batteries. Electrocatalysts and stacks of electrolysis cells help facilitate the separation of water to form oxygen and hydrogen.
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.
IEA, & European Patent Office. (January 10, 2023). Companies with the highest number of patents filed on the application of hydrogen in the automotive sector by type of patents between 2011 and 2020 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 05, 2026, from /statistics/1657294/hydrogen-in-automobiles-companies-filing-the-most-patents/
IEA, und European Patent Office. "Companies with the highest number of patents filed on the application of hydrogen in the automotive sector by type of patents between 2011 and 2020." Chart. January 10, 2023. ÌÇÐÄÆƽâ°æ. Accessed August 05, 2026. /statistics/1657294/hydrogen-in-automobiles-companies-filing-the-most-patents/
IEA, European Patent Office. (2023). Companies with the highest number of patents filed on the application of hydrogen in the automotive sector by type of patents between 2011 and 2020. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 05, 2026. /statistics/1657294/hydrogen-in-automobiles-companies-filing-the-most-patents/
IEA, and European Patent Office. "Companies with The Highest Number of Patents Filed on The Application of Hydrogen in The Automotive Sector by Type of Patents between 2011 and 2020." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 10 Jan 2023, /statistics/1657294/hydrogen-in-automobiles-companies-filing-the-most-patents/
IEA & European Patent Office, Companies with the highest number of patents filed on the application of hydrogen in the automotive sector by type of patents between 2011 and 2020 ÌÇÐÄÆƽâ°æ, /statistics/1657294/hydrogen-in-automobiles-companies-filing-the-most-patents/ (last visited August 05, 2026)
Companies with the highest number of patents filed on the application of hydrogen in the automotive sector by type of patents between 2011 and 2020 [Graph], IEA, & European Patent Office, January 10, 2023. [Online]. Available: /statistics/1657294/hydrogen-in-automobiles-companies-filing-the-most-patents/
