With the analysis among 477 patents, we discovered top 253 key players by total patent application. Sumitomo Metal Mining Co. Ltd., ConocoPhillips Co., China Petroleum & Chemical Corp. are dominant in this area. They take 8.81% of the total patent filing.
Tokyo-to, Japan
Patent: 16
Delaware, United States
Patent: 14
Beijing Shi, China
Patent: 12
Ohio, United States
Patent: 9
Tennessee, United States
Patent: 7
Pennsylvania, United States
Patent: 7
Guangxi Zhuangzu Zizhiqu, China
Patent: 7
Shandong Sheng, China
Patent: 7
Pennsylvania, United States
Patent: 6
New Jersey, United States
Patent: 6
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
Beijing Shi, China
Patent: 1
With the analysis among related 185 patents applied in the last 5 years. We discover 146 most active companies in this area. The fast-growing South China Institute of Environmental Sciences, Nanjing University, University of South China take 8.65% of patent filing during this period.
Jiangsu Sheng, China
Patent: 5
Hunan Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
With the analysis among related 185 patents in last 5 years, we discover 120 new entrants. China University of Geosciences, Nankai University, China Jingye Engineering Corp. Ltd. are the most active new entrants in this area.
Beijing Shi, China
Patent: 4
Tianjin Shi, China
Patent: 3
Beijing Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Fujian Weilinte Environmental Protection Technology Co., Ltd.
Fujian Sheng, China
Patent: 2
Suzhou Yinghanshi Information Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
With the analysis among 302 patents, we discovered top 87 universities and scientific research institutions by total patent application. Nanjing University, Beijing Normal University, University of South China are dominant in this area. They take 13.91% of the total patent filing.
Jiangsu Sheng, China
Patent: 18
Beijing Shi, China
Patent: 12
Hunan Sheng, China
Patent: 12
Heilongjiang Sheng, China
Patent: 9
Zhejiang Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 5
Shanghai Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 4