With 1,163 patents published between 2002 and 2022, CRRC Group Co., Ltd. holds the most number of patents in the Transportation, Infrastructure and Logistics sector in China, of which 15.6% was contributed by its subsidiary CRRC Qingdao Sifang Co., Ltd..
The second largest number of patents were published by JD.com Inc with 731 related patents, of which 88.8% was contributed by its subsidiary Beijing Jingdong Shangke Information Technology Co., Ltd.. The third largest number of patents were published by China State Shipbuilding Corp Ltd with 483 related patents, of which 24.4% was contributed by its subsidiary CSSC Huangpu Wenchong Shipbuilding Co Ltd. The fourth largest number of patents were published by China Railway Signal & Communication Corp Ltd with 432 related patents, of which 55.1% was contributed by its subsidiary CASCO SIGNAL Ltd. The fifth largest number of patents were published by Siemens AG with 388 related patents.
The top five patent holders, i.e., CRRC Group Co., Ltd., JD.com Inc, China State Shipbuilding Corp Ltd, China Railway Signal & Communication Corp Ltd, and Siemens AG, together held 3,197 patents during the period.
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