With 74 patents published between 2002 and 2022, Pfizer Inc holds the most number of patents in the Oil & Gas sector in Turkey, of which 40.5% was contributed by its subsidiary Pfizer Products Inc..
The second largest number of patents were published by BASF SE with 67 related patents. The third largest number of patents were published by Dow Inc with 41 related patents, of which 63.4% was contributed by its subsidiary Dow Global Technologies, LLC. The fourth largest number of patents were published by F. Hoffmann-La Roche Ltd with 39 related patents. The fifth largest number of patents were published by Bayer AG with 33 related patents.
The top five patent holders, i.e., Pfizer Inc, BASF SE, Dow Inc, F. Hoffmann-La Roche Ltd, and Bayer AG, together held 254 patents during the period.
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