With 131 patents held between 2002 and 2022, Johnson Matthey Plc holds the most number of Hydrogen patents in the Chemicals sector in the Europe region.
The second largest number of patents were held by Linde plc with 91 Hydrogen patents, of which 81.3% was contributed by Linde Gmbh. The third largest number of patents were held by Air Liquide SA with 59 Hydrogen patents. The fourth largest number of patents were held by ThyssenKrupp AG with 56 Hydrogen patents. The fifth largest number of patents were held by Shell plc with 49 Hydrogen patents.
The top five patents holders, i.e., Johnson Matthey Plc, Linde plc, Air Liquide SA, ThyssenKrupp AG, and Shell plc, together held 386 Hydrogen patents during the period.
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