With the analysis among 561 patents, we discovered top 289 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., Huainan Mining (Group) Co., Ltd. are dominant in this area. They take 15.51% of the total patent filing.
Shaanxi Sheng, China
Patent: 43
Chongqing Shi, China
Patent: 30
Anhui Sheng, China
Patent: 14
Shanxi Sheng, China
Patent: 11
Noord-Holland, Netherlands
Patent: 7
Anhui Sheng, China
Patent: 7
Guizhou Sheng, China
Patent: 6
Liaoning Sheng, China
Patent: 6
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With the analysis among related 358 patents applied in the last 5 years. We discover 144 most active companies in this area. The fast-growing Henan Polytechnic University, China University of Mining & Technology, Xian Research Inst of China Coal Tech & Eng Group Corp. take 24.58% of patent filing during this period.
Henan Sheng, China
Patent: 36
Jiangsu Sheng, China
Patent: 26
Shaanxi Sheng, China
Patent: 26
Chongqing Shi, China
Patent: 24
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 11
Chongqing Shi, China
Patent: 10
Shandong Sheng, China
Patent: 10
Hunan Sheng, China
Patent: 10
Shaanxi Sheng, China
Patent: 9
North China Institute of Science & Technology
With the analysis among related 358 patents in last 5 years, we discover 104 new entrants. Huaibei Mining Co., Ltd., Xuzhou University of Technology, Shanxi Jinmei Group Technology Research Institute Co., Ltd. are the most active new entrants in this area.
Anhui Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 6
Shanxi Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 4
Shanxi Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Shanxi Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
With the analysis among 434 patents, we discovered top 45 universities and scientific research institutions by total patent application. Changzhou University, Henan Polytechnic University, China University of Mining & Technology are dominant in this area. They take 49.31% of the total patent filing.
Jiangsu Sheng, China
Patent: 83
Henan Sheng, China
Patent: 79
Jiangsu Sheng, China
Patent: 52
Shandong Sheng, China
Patent: 23
Chongqing Shi, China
Patent: 21
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 18
Anhui Sheng, China
Patent: 13
Hunan Sheng, China
Patent: 11
Shaanxi Sheng, China
Patent: 11
Beijing Shi, China
Patent: 8