With 289 patents held between 2002 and 2022, Siemens AG holds the most number of ESG patents in the Transportation, Infrastructure and Logistics sector in the Europe region.
The second largest number of patents were held by Alstom SA with 135 ESG patents, of which 30.4% was contributed by ALSTOM Transport Technologies. The third largest number of patents were held by Hitachi Ltd with 83 ESG patents. The fourth largest number of patents were held by Bombardier Inc with 79 ESG patents. The fifth largest number of patents were held by Wartsila Corp with 48 ESG patents.
The top five patents holders, i.e., Siemens AG, Alstom SA, Hitachi Ltd, Bombardier Inc, and Wartsila Corp, together held 634 ESG patents during the period.
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