With the analysis among 196 patents, we discovered top 67 key players by total patent application. H. Lundbeck A/S, Rhodia Chimie, Haldor Topsøe A/S are dominant in this area. They take 11.73% of the total patent filing.
Hovedstaden, Denmark
Patent: 10
Hovedstaden, Denmark
Patent: 6
Nordrhein-Westfalen, Germany
Patent: 5
Beijing Innogreen Technology Co. Ltd.
Beijing Shi, China
Patent: 3
Wanhua Energy Saving Technology Group Co., Ltd.
Shandong Sheng, China
Patent: 3
Rhone-Poulenc Chemicals Ltd.
Nordrhein-Westfalen, Germany
Patent: 2
Sumitomo Chemical Co., Ltd.
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With the analysis among related 34 patents applied in the last 5 years. We discover 21 most active companies in this area. The fast-growing Jilin University, Henan University, Henan Normal University take 38.24% of patent filing during this period.
Jilin Sheng, China
Patent: 5
Henan Sheng, China
Patent: 4
Henan Sheng, China
Patent: 4
Henan Heda Nanomaterials Engineering Research Center Co., Ltd.
Henan Sheng, China
Patent: 2
Sirier Environmental Technology Co Ltd.
Guangdong Sheng, China
Patent: 2
Yijie Environmental Protection (Dalian) Co., Ltd.
Liaoning Sheng, China
Patent: 2
NingXia Teachers University
Ningxia Huizi Zizhiqu, China
Patent: 1
Guangdong Pharmaceutical University
Guangdong Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Hangzhou Electrochemical Group Co. Ltd.
Zhejiang Sheng, China
Patent: 1
With the analysis among related 34 patents in last 5 years, we discover 19 new entrants. Henan University, Henan Heda Nanomaterials Engineering Research Center Co., Ltd., Sirier Environmental Technology Co Ltd. are the most active new entrants in this area.
Henan Sheng, China
Patent: 4
Henan Heda Nanomaterials Engineering Research Center Co., Ltd.
Henan Sheng, China
Patent: 2
Sirier Environmental Technology Co Ltd.
Guangdong Sheng, China
Patent: 2
Yijie Environmental Protection (Dalian) Co., Ltd.
Liaoning Sheng, China
Patent: 2
NingXia Teachers University
Ningxia Huizi Zizhiqu, China
Patent: 1
Guangdong Pharmaceutical University
Guangdong Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Hangzhou Electrochemical Group Co. Ltd.
Zhejiang Sheng, China
Patent: 1
Shandong Kaisheng New Materials Co., Ltd.
Shandong Sheng, China
Patent: 1
Hubei Saiins Technology Development Co., Ltd.
Hubei Sheng, China
Patent: 1
With the analysis among 134 patents, we discovered top 35 universities and scientific research institutions by total patent application. Jilin University, Henan Normal University, Henan University are dominant in this area. They take 11.94% of the total patent filing.
Jilin Sheng, China
Patent: 7
Henan Sheng, China
Patent: 5
Henan Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 3
Dalian Institute of Chemical Physics Chinese Academy of Sciences
Liaoning Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 2
Beijing University of Technology
Beijing Shi, China
Patent: 2
Shaanxi Institute of Technology
Shaanxi Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Institute of Process Engineering, Chinese Academy of Sciences
Beijing Shi, China
Patent: 2