With 114 patents held between 2002 and 2022, Pfizer Inc holds the most number of Nano Tech patents in the Healthcare sector in the Europe region.
The second largest number of patents were held by Bristol-Myers Squibb Co with 99 Nano Tech patents, of which 59.6% was contributed by Abraxis BioScience, LLC. The third largest number of patents were held by Gilead Sciences Inc with 45 Nano Tech patents, of which 57.8% was contributed by Immunomedics Inc. The fourth largest number of patents were held by Merck & Co Inc with 45 Nano Tech patents, of which 48.9% was contributed by Schering Aktiengesellschaft. The fifth largest number of patents were held by C. H. Boehringer Sohn AG & Co KG with 43 Nano Tech patents, of which 95.3% was contributed by Boehringer Ingelheim International GmbH.
The top five patents holders, i.e., Pfizer Inc, Bristol-Myers Squibb Co, Gilead Sciences Inc, Merck & Co Inc, and C. H. Boehringer Sohn AG & Co KG, together held 346 Nano Tech patents during the period.
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