With 141 patents published between 2002 and 2022, Sandvik AB holds the most number of patents in the Mining sector in South Korea.
The second largest number of patents were published by Sumitomo Electric Industries Ltd with 74 related patents, of which 62.2% was contributed by its subsidiary SUMITOMO ELECTRIC HARDMETAL CORP.. The third largest number of patents were published by Kyocera Corp with 63 related patents. The fourth largest number of patents were published by Mitsubishi Heavy Industries Ltd with 37 related patents. The fifth largest number of patents were published by Korean Rail Research Institute with 34 related patents.
The top five patent holders, i.e., Sandvik AB, Sumitomo Electric Industries Ltd, Kyocera Corp, Mitsubishi Heavy Industries Ltd, and Korean Rail Research Institute, together held 349 patents during the period.
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