With 1,792 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 global Technology, Media and Telecom sector, of which 87.8% was contributed by its subsidiary Huawei Technologies Co Ltd.
The second largest number of Software Defined Networks related patents were published by Telefonaktiebolaget LM Ericsson with 673 patents. The third largest number of Software Defined Networks related patents were published by ZTE Corp with 552 patents. The fourth largest number of Software Defined Networks related patents were published by International Business Machines Corp with 483 patents. The fifth largest number of Software Defined Networks related patents were published by Hewlett Packard Enterprise Co with 438 patents, of which 74.2% was contributed by its subsidiary Hewlett Packard Enterprise Development LP.
The top five patent holders, i.e., Huawei Investment & Holding Co Ltd, Telefonaktiebolaget LM Ericsson, ZTE Corp, International Business Machines Corp, and Hewlett Packard Enterprise Co, together held 3,938 Software Defined Networks patents during the period.
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