With 142 patents published between 2002 and 2022, Halliburton Co holds the most number of patents in the Chemicals sector in Saudi Arabia, of which 59.2% was contributed by its subsidiary Landmark Graphics Corp.
The second largest number of patents were published by AstraZeneca Plc with 83 related patents, of which 94.0% was contributed by its subsidiary AstraZeneca AB. The third largest number of patents were published by BASF SE with 73 related patents. The fourth largest number of patents were published by Saudi Arabian Oil Co with 55 related patents, of which 25.5% was contributed by its subsidiary Sabic Global Technologies B.V.. The fifth largest number of patents were published by Pfizer Inc with 41 related patents.
The top five patent holders, i.e., Halliburton Co, AstraZeneca Plc, BASF SE, Saudi Arabian Oil Co, and Pfizer Inc, together held 394 patents during the period.
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