With 844 Hydro related patents published between 2002 and 2022, General Electric Co holds the most number of Hydro patents across the world, of which 46.4% was contributed by its subsidiary Alstom Renewable Technologies.
The second largest number of Hydro related patents were published by Power Construction Corporation of China with 681 patents, of which 31.9% was contributed by its subsidiary Power China Huadong Engineering Corp Ltd. The third largest numberHydro related patents were published by Toshiba Corp with 665 patents. The fourth largest number of patents were held by JMV GmbH & Co KG with 660 patents, of which 92.7% was contributed by its subsidiary Voith Patent GmbH. The fifth largest number Hydro related patents were published by State Grid Corporation of China with 492 patents.
The top five patent holders, i.e., General Electric Co, Power Construction Corporation of China, Toshiba Corp, JMV GmbH & Co KG, and State Grid Corporation of China, together held 3,342 Hydro patents during the period.
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