With 27 Blockchain related patents published between 2002 and 2022, State Grid Corporation of China holds the most number of Blockchain patents in the global Oil & Gas sector.
The second largest number of Blockchain related patents were published by Siemens AG with 22 patents, of which 36.4% was contributed by its subsidiary Senvion GmbH. The third largest number of Blockchain related patents were published by Hepu Technology Development (Beijing) Co Ltd with 12 patents. The fourth largest number of Blockchain related patents were published by Meditor European Master Fund Limited with 8 patents. The fifth largest number of Blockchain related patents were published by ams AG with 8 patents.
The top five patent holders, i.e., State Grid Corporation of China, Siemens AG, Hepu Technology Development (Beijing) Co Ltd, Meditor European Master Fund Limited, and ams AG, together held 77 Blockchain patents during the period.
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