With 660 Alternative Propulsion related patents published between 2002 and 2022, Hitachi Ltd holds the most number of Alternative Propulsion patents in the global Industrial Goods & Machinery sector, of which 77.6% was contributed by its subsidiary Hitachi Construction Machinery Co Ltd.
The second largest number of Alternative Propulsion related patents were published by Komatsu Ltd with 362 patents. The third largest number of Alternative Propulsion related patents were published by Sumitomo Heavy Industries Ltd with 295 patents. The fourth largest number of Alternative Propulsion related patents were published by Husqvarna AB with 252 patents. The fifth largest number of Alternative Propulsion related patents were published by Honda Motor Co Ltd with 209 patents.
The top five patent holders, i.e., Hitachi Ltd, Komatsu Ltd, Sumitomo Heavy Industries Ltd, Husqvarna AB, and Honda Motor Co Ltd, together held 1,778 Alternative Propulsion patents during the period.
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