With 190 Quantum Computing related patents published between 2002 and 2022, International Business Machines Corp holds the most number of Quantum Computing patents in the Europe region.
The second largest number of Quantum Computing related patents were published by Toshiba Corp with 162 patents, of which 63.0% was contributed by its subsidiary Toshiba of Europe Ltd. The third largest number of Quantum Computing related patents were published by Hewlett Packard Enterprise Co with 65 patents. The fourth largest number of Quantum Computing related patents were published by Arqit Limited with 43 patents. The fifth largest number of Quantum Computing related patents were published by Centre National de la Recherche Scientifique with 29 patents.
The top five patent holders, i.e., International Business Machines Corp, Toshiba Corp, Hewlett Packard Enterprise Co, Arqit Limited, and Centre National de la Recherche Scientifique, together held 489 Quantum Computing patents during the period.
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