With the analysis among 60 patents, we discovered top 35 key players by total patent application. Sumitomo Metal Mining Co. Ltd., China Railway Jianzhu Group Co., Ltd., China Academy of Railway Sciences Group Co. Ltd. are dominant in this area. They take 20.00% of the total patent filing.
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Tianjin Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Zuid-Holland, Netherlands
Patent: 3
Beijing Shi, China
Patent: 2
Pennsylvania, United States
Patent: 2
Sichuan Sheng, China
Patent: 2
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With the analysis among related 58 patents applied in the last 5 years. We discover 42 most active companies in this area. The fast-growing China University of Petroleum (East China), China Academy of Railway Sciences Group Co. Ltd., CNOOC China Ltd. take 17.24% of patent filing during this period.
Shandong Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Tianjin Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 2
Chongqing Shi, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
With the analysis among related 58 patents in last 5 years, we discover 37 new entrants. China University of Petroleum (East China), China Academy of Railway Sciences Group Co. Ltd., CNOOC China Ltd. are the most active new entrants in this area.
Shandong Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Tianjin Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 2
Chongqing Shi, China
Patent: 2
Hunan Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
With the analysis among 51 patents, we discovered top 14 universities and scientific research institutions by total patent application. China University of Petroleum (East China), Southwest University of Science & Technology, China University of Geosciences Beijing are dominant in this area. They take 19.61% of the total patent filing.
Shandong Sheng, China
Patent: 4
Sichuan Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
Jilin Sheng, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Guangxi Zhuangzu Zizhiqu, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Guangxi Zhuangzu Zizhiqu, China
Patent: 1