With the analysis among 104 patents, we discovered top 59 key players by total patent application. Xian Research Inst of China Coal Tech & Eng Group Corp., Chongqing Research Inst of China Coal Tech & Eng Group Corp., Coal Science & Technology Research Institute Co., Ltd. are dominant in this area. They take 28.85% of the total patent filing.
Shaanxi Sheng, China
Patent: 18
Chongqing Shi, China
Patent: 6
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 4
Nei Mongol Zizhiqu, China
Patent: 4
Beijing Shi, China
Patent: 4
Shaanxi Sheng, China
Patent: 3
Hebei Sheng, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
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With the analysis among related 169 patents applied in the last 5 years. We discover 85 most active companies in this area. The fast-growing China University of Mining & Technology, Xian Research Inst of China Coal Tech & Eng Group Corp., China University of Mining & Technology (Beijing) take 28.99% of patent filing during this period.
Jiangsu Sheng, China
Patent: 22
Shaanxi Sheng, China
Patent: 18
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 9
North China Institute of Science & Technology
Chongqing Shi, China
Patent: 6
Beijing Shi, China
Patent: 5
Anhui Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
With the analysis among related 169 patents in last 5 years, we discover 83 new entrants. Xian Research Inst of China Coal Tech & Eng Group Corp., China University of Mining & Technology (Beijing), North China Institute of Science & Technology are the most active new entrants in this area.
Shaanxi Sheng, China
Patent: 18
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 9
North China Institute of Science & Technology
Chongqing Shi, China
Patent: 6
Anhui Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Guizhou Sheng, China
Patent: 4
Nei Mongol Zizhiqu, China
Patent: 4
With the analysis among 79 patents, we discovered top 20 universities and scientific research institutions by total patent application. China University of Mining & Technology, China University of Mining & Technology (Beijing), Anhui University of Science & Technology are dominant in this area. They take 50.63% of the total patent filing.
Jiangsu Sheng, China
Patent: 25
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 9
Anhui Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 4
Guizhou Sheng, China
Patent: 4
Guizhou Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1