With 205 patents held between 2002 and 2022, Toyota Motor Corp holds the most number of Hydrogen Vehicles patents in the Oil & Gas sector in the Europe region.
The second largest number of patents were held by General Motors Co with 73 Hydrogen Vehicles patents, of which 87.7% was contributed by GM Global Technology Operations LLC. The third largest number of patents were held by Hyundai Motor Group with 67 Hydrogen Vehicles patents, of which 98.5% was contributed by Hyundai Motor Company, Ltd. The fourth largest number of patents were held by Porsche Automobil Holding SE with 66 Hydrogen Vehicles patents, of which 56.1% was contributed by Audi AG. The fifth largest number of patents were held by Robert Bosch Stiftung GmbH with 45 Hydrogen Vehicles patents.
The top five patents holders, i.e., Toyota Motor Corp, General Motors Co, Hyundai Motor Group, Porsche Automobil Holding SE, and Robert Bosch Stiftung GmbH, together held 456 Hydrogen Vehicles patents during the period.
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