With the analysis among 1,366 patents, we discovered top 470 key players by total patent application. Henkel AG & Co. KGaA, Degussa AG, PetroChina Co., Ltd. are dominant in this area. They take 16.76% of the total patent filing.
Nordrhein-Westfalen, Germany
Patent: 138
Hessen, Germany
Patent: 62
Beijing Shi, China
Patent: 29
New Jersey, United States
Patent: 29
Texas, United States
Patent: 26
Tokyo-to, Japan
Patent: 19
Zuid-Holland, Netherlands
Patent: 17
Beijing Shi, China
Patent: 13
New Jersey, United States
Patent: 13
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With the analysis among related 244 patents applied in the last 5 years. We discover 156 most active companies in this area. The fast-growing Southwest Petroleum University, PetroChina Co., Ltd., China Petroleum University Beijing take 20.08% of patent filing during this period.
Sichuan Sheng, China
Patent: 26
Beijing Shi, China
Patent: 15
Beijing Shi, China
Patent: 8
Beijing Shi, China
Patent: 8
Shaanxi Sheng, China
Patent: 7
Beijing Shi, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
Shandong Sheng, China
Patent: 5
Beijing Shi, China
Patent: 3
Guangdong Sheng, China
Patent: 3
With the analysis among related 244 patents in last 5 years, we discover 123 new entrants. Ningbo University, Prajanieri (Beijing) Equipment Technology Co., Ltd., Guangdong Qingdatongke Environmental Protection Technology Co., Ltd. are the most active new entrants in this area.
Zhejiang Sheng, China
Patent: 5
Beijing Shi, China
Patent: 3
Guangdong Sheng, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Tianjin Shi, China
Patent: 2
Liaoning Sheng, China
Patent: 2
Xinyuan Tea Professional Cooperative, Dashan Village, Longtang Town, Shiqian County
Guizhou Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
With the analysis among 305 patents, we discovered top 99 universities and scientific research institutions by total patent application. Southwest Petroleum University, China Petroleum University Beijing, China University of Petroleum (East China) are dominant in this area. They take 17.70% of the total patent filing.
Sichuan Sheng, China
Patent: 33
Beijing Shi, China
Patent: 12
Shandong Sheng, China
Patent: 9
Jiangsu Sheng, China
Patent: 7
Hubei Sheng, China
Patent: 6
Beijing Shi, China
Patent: 6
Shanghai Shi, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
Shandong Sheng, China
Patent: 4
Massachusetts, United States
Patent: 4