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.
Sumitomo Metal Mining Co. Ltd.
Tokyo-to, Japan
Patent: 16
Delaware, United States
Patent: 14
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 12
Ohio, United States
Patent: 9
Tennessee, United States
Patent: 7
Pennsylvania, United States
Patent: 7
Liuzhou Boyuan Huanke Technology Co., Ltd.
Guangxi Zhuangzu Zizhiqu, China
Patent: 7
China Petroleum and Chemical Corporation Qingdao Security Engineering Research Institute
Shandong Sheng, China
Patent: 7
East Penn Manufacturing Co., Inc.
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 Zhixingzhe Technology Co. Ltd.
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.
South China Institute of Environmental Sciences
Jiangsu Sheng, China
Patent: 5
University of South China
Hunan Sheng, China
Patent: 5
China University of Geosciences
Beijing Shi, China
Patent: 4
Southwest Petroleum University
Sichuan Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 3
China National Petroleum Corp.
Beijing Shi, China
Patent: 3
Beijing GeoEnviron Engineering & Technology, Inc.
Beijing Shi, China
Patent: 3
China Jingye Engineering Corp. Ltd.
Beijing Shi, China
Patent: 2
Xuzhou Rongsheng Textile Finishing Co., Ltd.
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.
China University of Geosciences
Beijing Shi, China
Patent: 4
Tianjin Shi, China
Patent: 3
China Jingye Engineering Corp. Ltd.
Beijing Shi, China
Patent: 2
Xuzhou Rongsheng Textile Finishing Co., Ltd.
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
Nanjing Zhibao Energy Saving and Environmental Protection Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 2
South China University of Technology
Guangdong Sheng, China
Patent: 2
Academy of Military Medical Sciences
Chenzhou Chengtao Chemical Co., Ltd.
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 Normal University
Beijing Shi, China
Patent: 12
University of South China
Hunan Sheng, China
Patent: 12
Harbin Institute of Technology
Heilongjiang Sheng, China
Patent: 9
Zhejiang Sheng, China
Patent: 6
Southwest Petroleum University
Sichuan Sheng, China
Patent: 5
Shanghai Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 4
China University of Geosciences
Beijing Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 4