With 605 Sustainable Transportation related patents published between 2002 and 2022, Korea Development Bank holds the most number of Sustainable Transportation patents in the global Transportation, Infrastructure and Logistics sector, of which 99.8% was contributed by its subsidiary Daewoo Shipbuilding & Marine Engineering Co Ltd.
The second largest number of Sustainable Transportation related patents were published by Hyundai Heavy Industries Holdings Co Ltd with 544 patents, of which 66.7% was contributed by its subsidiary Korea Shipbuilding & Offshore Engineering Co Ltd. The third largest number of Sustainable Transportation related patents were published by Siemens AG with 543 patents. The fourth largest number of Sustainable Transportation related patents were published by Hitachi Ltd with 479 patents. The fifth largest number of Sustainable Transportation related patents were published by CRRC Group Co., Ltd. with 474 patents, of which 23.2% was contributed by its subsidiary CRRC Qingdao Sifang Co., Ltd..
The top five patent holders, i.e., Korea Development Bank, Hyundai Heavy Industries Holdings Co Ltd, Siemens AG, Hitachi Ltd, and CRRC Group Co., Ltd., together held 2,645 Sustainable Transportation patents during the period.
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