With 101 Digital Rights Management related patents published between 2002 and 2022, Intertrust Technologies Corp holds the most number of Digital Rights Management patents in the global Transportation, Infrastructure and Logistics sector.
The second largest number of Digital Rights Management related patents were published by Automattic Inc with 18 patents, of which 94.4% was contributed by its subsidiary Tumblr, Inc.. The third largest number of Digital Rights Management related patents were published by eBay Inc with 12 patents. The fourth largest number of Digital Rights Management related patents were published by AT&T Inc with 8 patents. The fifth largest number of Digital Rights Management related patents were published by Yellowheart LLC with 6 patents.
The top five patent holders, i.e., Intertrust Technologies Corp, Automattic Inc, eBay Inc, AT&T Inc, and Yellowheart LLC, together held 145 Digital Rights Management patents during the period.
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