With the analysis among 325 patents, we discovered top 261 key players by total patent application. China Shenhua Energy Co., Ltd., Shanghai Huapeng Explosion-Proof Technology Co. Ltd., Jinan Rail Transit Group Co. Ltd. are dominant in this area. They take 6.15% of the total patent filing.
Beijing Shi, China
Patent: 7
Shanghai Shi, China
Patent: 6
Shandong Sheng, China
Patent: 5
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Nei Mongol Zizhiqu, China
Patent: 3
Tianjin Shi, China
Patent: 3
Hebei Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
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With the analysis among related 250 patents applied in the last 5 years. We discover 175 most active companies in this area. The fast-growing China Institute of Water Resources and Hydropower Research, China University of Mining & Technology, China Railway Eighteenth Bureau Group Municipal Engineering Co., Ltd. take 5.20% of patent filing during this period.
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Patent: 6
Jiangsu Sheng, China
Patent: 4
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
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Patent: 3
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Patent: 3
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
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Patent: 3
Tianjin Shi, China
Patent: 3
With the analysis among related 250 patents in last 5 years, we discover 151 new entrants. China Railway Eighteenth Bureau Group Municipal Engineering Co., Ltd., General Institute of Water Resources and Hydropower Planning and Design, Ministry of Water Resources, Xian Research Inst of China Coal Tech & Eng Group Corp. are the most active new entrants in this area.
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
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Patent: 3
Shaanxi Sheng, China
Patent: 3
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Patent: 3
Tianjin Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Chongqing Shi, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Nei Mongol Zizhiqu, China
Patent: 2
Chongqing Shi, China
Patent: 2
With the analysis among 172 patents, we discovered top 52 universities and scientific research institutions by total patent application. China University of Mining & Technology (Beijing), Tianjin University, McGill University are dominant in this area. They take 16.86% of the total patent filing.
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 10
Tianjin Shi, China
Patent: 7
Jiangsu Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
Jilin Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Anhui Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3