With the analysis among 14 patents, we discovered top 13 key players by total patent application. Huaneng Coal Technology Research Co., Ltd., Huantaoyu Coal Mine of Huaneng Qingyang Coal and Electricity Co., Ltd., China Petroleum & Chemical Corp. are dominant in this area. They take 64.29% of the total patent filing.
Beijing Shi, China
Patent: 2
Gansu Sheng, China
Patent: 2
Beijing Shi, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
California, United States
Patent: 1
Shanxi Coalbed Methane Natural Gas Gathering Co., Ltd.
Shanxi Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Sichuan Sheng, China
Patent: 1
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With the analysis among related 27 patents applied in the last 5 years. We discover 23 most active companies in this area. The fast-growing General Institute of Exploration and Research, China Coal Geology Administration, China University of Mining & Technology, Huaneng Coal Technology Research Co., Ltd. take 37.04% of patent filing during this period.
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Patent: 5
Jiangsu Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Gansu Sheng, China
Patent: 2
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Patent: 2
Beijing Shi, China
Patent: 1
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Patent: 1
Beijing Shi, China
Patent: 1
California, United States
Patent: 1
Chongqing Shi, China
Patent: 1
With the analysis among related 27 patents in last 5 years, we discover 22 new entrants. General Institute of Exploration and Research, China Coal Geology Administration, China University of Mining & Technology, Huaneng Coal Technology Research Co., Ltd. are the most active new entrants in this area.
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Patent: 5
Jiangsu Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Gansu Sheng, China
Patent: 2
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Patent: 2
Beijing Shi, China
Patent: 1
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Patent: 1
Beijing Shi, China
Patent: 1
California, United States
Patent: 1
Chongqing Shi, China
Patent: 1
With the analysis among 18 patents, we discovered top 11 universities and scientific research institutions by total patent application. China University of Mining & Technology, Dalian University of Technology, Peking University are dominant in this area. They take 44.44% of the total patent filing.
Jiangsu Sheng, China
Patent: 3
Liaoning Sheng, China
Patent: 3
Beijing Shi, China
Patent: 1
Washington, United States
Patent: 1
Anhui Sheng, China
Patent: 1
Chongqing Shi, China
Patent: 1
Henan Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Heilongjiang Sheng, China
Patent: 1