With the analysis among 53 patents, we discovered top 31 key players by total patent application. Alcan International Ltd., General Electric Co., Pennzoil Products Co. are dominant in this area. They take 22.64% of the total patent filing.
Massachusetts, United States
Patent: 4
Texas, United States
Patent: 3
Illinois, United States
Patent: 2
British Columbia, Canada
Patent: 2
Minnesota, United States
Patent: 2
California, United States
Patent: 2
British Columbia, Canada
Patent: 2
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With the analysis among related 23 patents applied in the last 5 years. We discover 12 most active companies in this area. The fast-growing University of Science & Technology Beijing, CECEP Earth Environment Restoration Co., Ltd., Chinese Research Academy of Environmental Sciences take 26.09% of patent filing during this period.
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Shanghai Shi, China
Patent: 1
Shandong Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Gansu Sheng, China
Patent: 1
With the analysis among related 23 patents in last 5 years, we discover 11 new entrants. University of Science & Technology Beijing, CECEP Earth Environment Restoration Co., Ltd., Chinese Research Academy of Environmental Sciences are the most active new entrants in this area.
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Shanghai Shi, China
Patent: 1
Shandong Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Gansu Sheng, China
Patent: 1
With the analysis among 21 patents, we discovered top 6 universities and scientific research institutions by total patent application. Council of Scientific & Industrial Research, University of Science & Technology Beijing, Indian Institute of Science are dominant in this area. They take 38.10% of the total patent filing.
Beijing Shi, China
Patent: 2
Karnataka, India
Patent: 1
Zhejiang Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1