With the analysis among 400 patents, we discovered top 192 key players by total patent application. PetroChina Co., Ltd., China Petroleum & Chemical Corp., China National Petroleum Corp. are dominant in this area. They take 30.50% of the total patent filing.
Beijing Shi, China
Patent: 57
Beijing Shi, China
Patent: 46
Beijing Shi, China
Patent: 19
Sichuan Sheng, China
Patent: 14
Zhejiang Sheng, China
Patent: 10
Beijing Shi, China
Patent: 10
Tianjin Shi, China
Patent: 10
Texas, United States
Patent: 8
Chongqing Shi, China
Patent: 8
Beijing Shi, China
Patent: 8
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
Colorado, United States
Patent: 1
With the analysis among related 947 patents applied in the last 5 years. We discover 263 most active companies in this area. The fast-growing Shandong University of Science & Technology, Southwest Petroleum University, North Eastern University take 18.48% of patent filing during this period.
Shandong Sheng, China
Patent: 74
Sichuan Sheng, China
Patent: 56
Liaoning Sheng, China
Patent: 45
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Patent: 40
Sichuan Sheng, China
Patent: 38
Jiangsu Sheng, China
Patent: 33
Beijing Shi, China
Patent: 29
Beijing Shi, China
Patent: 28
Shandong Sheng, China
Patent: 26
Shanxi Sheng, China
Patent: 20
With the analysis among related 947 patents in last 5 years, we discover 191 new entrants. China Coal Science and Industry Group Chongqing Smart City Science and Technology Research Institute Co., Ltd., Qingdao University of Technology, Changchun Zhantuo Testing Instrument Co., Ltd. are the most active new entrants in this area.
Chongqing Shi, China
Patent: 8
Shandong Sheng, China
Patent: 8
Changchun Zhantuo Testing Instrument Co., Ltd.
Jilin Sheng, China
Patent: 8
Chongqing Shi, China
Patent: 8
Jilin Sheng, China
Patent: 6
Delaware, United States
Patent: 5
Zhejiang Sheng, China
Patent: 5
Shandong Sheng, China
Patent: 4
Chongqing Shi, China
Patent: 4
With the analysis among 1,102 patents, we discovered top 112 universities and scientific research institutions by total patent application. Shandong University of Science & Technology, Southwest Petroleum University, China University of Mining & Technology are dominant in this area. They take 22.69% of the total patent filing.
Shandong Sheng, China
Patent: 91
Sichuan Sheng, China
Patent: 72
Jiangsu Sheng, China
Patent: 57
Liaoning Sheng, China
Patent: 50
Shandong Sheng, China
Patent: 47
Sichuan Sheng, China
Patent: 46
Shanxi Sheng, China
Patent: 33
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 33
Beijing Shi, China
Patent: 30
Beijing Shi, China
Patent: 27