With 38 Software Defined Networks related patents published between 2002 and 2022, Huawei Investment & Holding Co Ltd holds the most number of Software Defined Networks patents in the Europe region.
The second largest number of Software Defined Networks related patents were published by Microsoft Corp with 19 patents, of which 47.4% was contributed by its subsidiary Metaswitch Networks Ltd. The third largest number of Software Defined Networks related patents were published by Emerson Electric Co with 17 patents. The fourth largest number of Software Defined Networks related patents were published by Alphabet Inc with 15 patents. The fifth largest number of Software Defined Networks related patents were published by BT Group Plc with 13 patents.
The top five patent holders, i.e., Huawei Investment & Holding Co Ltd, Microsoft Corp, Emerson Electric Co, Alphabet Inc, and BT Group Plc, together held 102 Software Defined Networks patents during the period.
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