With 1,433 patents published between 2002 and 2022, Hitachi Ltd holds the most number of patents in the Transportation, Infrastructure and Logistics sector in Japan.
The second largest number of patents were published by Toshiba Corp with 580 related patents. The third largest number of patents were published by Mitsubishi Electric Corp with 499 related patents. The fourth largest number of patents were published by Toyota Motor Corp with 465 related patents. The fifth largest number of patents were published by Mitsubishi Heavy Industries Ltd with 406 related patents.
The top five patent holders, i.e., Hitachi Ltd, Toshiba Corp, Mitsubishi Electric Corp, Toyota Motor Corp, and Mitsubishi Heavy Industries Ltd, together held 3,383 patents during the period.
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Germany
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Germany
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