With 27 Workplace Safety related patents published between 2002 and 2022, China Railway Construction Corp Ltd holds the most number of Workplace Safety patents in the global Mining sector, of which 18.5% was contributed by its subsidiary China Railway Construction Heavy Industry Co Ltd.
The second largest number of Workplace Safety related patents were published by State-owned Assets Supervision and Administration Commission of the State Council with 15 patents, of which 66.7% was contributed by its subsidiary China Railway Engineering Equipment Group Co Ltd. The third largest number of Workplace Safety related patents were published by China Railway Group Ltd with 11 patents, of which 36.4% was contributed by its subsidiary China Railway No. 5 Engineering(Group) Co Ltd. The fourth largest number of Workplace Safety related patents were published by Ministry of Education of the People's Republic of China with 9 patents. The fifth largest number of Workplace Safety related patents were published by Liaoning University of Traditional Chinese Medicine with 8 patents.
The top five patent holders, i.e., China Railway Construction Corp Ltd, State-owned Assets Supervision and Administration Commission of the State Council, China Railway Group Ltd, Ministry of Education of the People's Republic of China, and Liaoning University of Traditional Chinese Medicine, together held 70 Workplace Safety patents during the period.
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