With 4,379 patents published between 2002 and 2022, Siemens AG holds the most number of patents in the global Transportation, Infrastructure and Logistics sector.
The second largest number of patents were published by Samsung Heavy Industries Co Ltd with 4,287 related patents. The third largest number of patents were published by Korea Development Bank with 3,289 related patents, of which 99.8% was contributed by its subsidiary Daewoo Shipbuilding & Marine Engineering Co Ltd. The fourth largest number of patents were published by Hyundai Heavy Industries Holdings Co Ltd with 2,734 related patents, of which 66.8% was contributed by its subsidiary Korea Shipbuilding & Offshore Engineering Co Ltd. The fifth largest number of patents were published by Hitachi Ltd with 2,438 related patents.
The top five patent holders, i.e., Siemens AG, Samsung Heavy Industries Co Ltd, Korea Development Bank, Hyundai Heavy Industries Holdings Co Ltd, and Hitachi Ltd, together held 17,127 patents during the period.
United States of America
United States of America
Germany
China
China
United States of America
France
France
Germany
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