With the analysis among 664 patents, we discovered top 391 key players by total patent application. De Nora Elettrodi Spa, Beijing Zhongkai Hongde Technology Co., Ltd., American Can Co. are dominant in this area. They take 6.93% of the total patent filing.
Beijing Shi, China
Patent: 16
Nordrhein-Westfalen, Germany
Patent: 12
Lombardia, Italy
Patent: 12
Nordjylland, Denmark
Patent: 12
Taiwan Province, China
Patent: 7
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With the analysis among related 86 patents applied in the last 5 years. We discover 85 most active companies in this area. The fast-growing Hubei University of Technology, Dongying Shida Shenghua New Energy Co., Ltd., Sichuan Staron Environmental Protection Technology Co., Ltd. take 9.30% of patent filing during this period.
Hubei Sheng, China
Patent: 4
Shandong Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
Tianjin Shi, China
Patent: 2
Cheshenbao Auto Service Jiangsu Co., Ltd.
Jiangsu Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
With the analysis among related 86 patents in last 5 years, we discover 72 new entrants. Hubei University of Technology, Dongying Shida Shenghua New Energy Co., Ltd., Sichuan Staron Environmental Protection Technology Co., Ltd. are the most active new entrants in this area.
Hubei Sheng, China
Patent: 4
Shandong Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
Tianjin Shi, China
Patent: 2
Cheshenbao Auto Service Jiangsu Co., Ltd.
Jiangsu Sheng, China
Patent: 2
Beijing Shi, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
With the analysis among 183 patents, we discovered top 67 universities and scientific research institutions by total patent application. Institute of Process Engineering, Chinese Academy of Sciences, Guangxi University, Central South University are dominant in this area. They take 19.13% of the total patent filing.
Beijing Shi, China
Patent: 13
Guangxi Zhuangzu Zizhiqu, China
Patent: 6
Hunan Sheng, China
Patent: 5
Jiangxi Sheng, China
Patent: 5
Sichuan Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3