With 85 patents published between 2002 and 2022, Komatsu Ltd holds the most number of patents in the Mining sector in Russia, of which 90.6% was contributed by its subsidiary Joy Global Underground Mining, LLC.
The second largest number of patents were published by Sandvik AB with 81 related patents. The third largest number of patents were published by G Obrazovatel Noe Uchrezhdenie with 58 related patents. The fourth largest number of patents were published by Ministry of Education of the People's Republic of China with 22 related patents. The fifth largest number of patents were published by Berkshire Hathaway Inc with 15 related patents, of which 80.0% was contributed by its subsidiary Iscar Ltd.
The top five patent holders, i.e., Komatsu Ltd, Sandvik AB, G Obrazovatel Noe Uchrezhdenie, Ministry of Education of the People's Republic of China, and Berkshire Hathaway Inc, together held 261 patents during the period.
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