With the analysis among 171 patents, we discovered top 58 key players by total patent application. Shell Internationale Research Maatschappij BV, Mitsubishi Gas Chemical Co., Inc., BASF AB are dominant in this area. They take 20.47% of the total patent filing.
Zuid-Holland, Netherlands
Patent: 19
New York, United States
Patent: 7
Chiba-ken, Japan
Patent: 6
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With the analysis among related 9 patents applied in the last 5 years. We discover 4 most active companies in this area. The fast-growing Beijing University of Technology, Shanghai Sinochem Technology Co., Ltd., Northwestern Polytechnical University take 44.44% of patent filing during this period.
Beijing Shi, China
Patent: 2
Shanghai Shi, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
With the analysis among related 9 patents in last 5 years, we discover 4 new entrants. Beijing University of Technology, Shanghai Sinochem Technology Co., Ltd., Northwestern Polytechnical University are the most active new entrants in this area.
Beijing Shi, China
Patent: 2
Shanghai Shi, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
With the analysis among 19 patents, we discovered top 9 universities and scientific research institutions by total patent application. Beijing University of Technology, Lanzhou Institute of Chemical Physics, Council of Scientific & Industrial Research are dominant in this area. They take 36.84% of the total patent filing.
Beijing Shi, China
Patent: 2
Gansu Sheng, China
Patent: 2
New York, United States
Patent: 1
Fujian Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Liaoning Sheng, China
Patent: 1
Nei Mongol Zizhiqu, China
Patent: 1