With 610 Electric Vehicles related patents published between 2002 and 2022, Hitachi Ltd holds the most number of Electric Vehicles patents in the global Construction sector, of which 83.0% was contributed by its subsidiary Hitachi Construction Machinery Co Ltd.
The second largest number of Electric Vehicles related patents were published by Komatsu Ltd with 349 patents. The third largest number of Electric Vehicles related patents were published by Sumitomo Heavy Industries Ltd with 295 patents. The fourth largest number of Electric Vehicles related patents were published by Kobe Steel Ltd with 192 patents, of which 87.0% was contributed by its subsidiary Kobelco Construction Machinery Co Ltd. The fifth largest number of Electric Vehicles related patents were published by Caterpillar Inc with 73 patents.
The top five patent holders, i.e., Hitachi Ltd, Komatsu Ltd, Sumitomo Heavy Industries Ltd, Kobe Steel Ltd, and Caterpillar Inc, together held 1,519 Electric Vehicles patents during the period.
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