With 16,032 patents published between 2002 and 2022, Toyota Motor Corp holds the most number of patents in the Power & Utilities sector in Japan.
The second largest number of patents were published by Panasonic Corp with 8,973 related patents. The third largest number of patents were published by Mitsubishi Electric Corp with 7,055 related patents, of which 67.1% was contributed by its subsidiary Mitsubishi Electric Information Network Corp. The fourth largest number of patents were published by Toshiba Corp with 6,569 related patents. The fifth largest number of patents were published by Honda Motor Co Ltd with 6,501 related patents.
The top five patent holders, i.e., Toyota Motor Corp, Panasonic Corp, Mitsubishi Electric Corp, Toshiba Corp, and Honda Motor Co Ltd, together held 45,130 patents during the period.
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