With 212 patents published between 2002 and 2022, Stora Enso Oyj holds the most number of patents in the Oil & Gas sector in Sweden.
The second largest number of patents were published by AstraZeneca Plc with 133 related patents. The third largest number of patents were published by Porsche Automobil Holding SE with 101 related patents, of which 96.0% was contributed by its subsidiary Scania CV AB. The fourth largest number of patents were published by Tetra Laval International SA with 92 related patents. The fifth largest number of patents were published by Perstorp Holding AB with 52 related patents, of which 53.8% was contributed by its subsidiary Perstorp Specialty Chemicals AB.
The top five patent holders, i.e., Stora Enso Oyj, AstraZeneca Plc, Porsche Automobil Holding SE, Tetra Laval International SA, and Perstorp Holding AB, together held 590 patents during the period.
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