With the analysis among 165 patents, we discovered top 134 key players by total patent application. China National Petroleum Corp., PetroChina Co., Ltd., EPG (Engineered nanoProducts Germany) AG are dominant in this area. They take 10.30% of the total patent filing.
Beijing Shi, China
Patent: 7
Beijing Shi, China
Patent: 5
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
Missouri, United States
Patent: 3
Jiangxi Sheng, China
Patent: 3
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With the analysis among related 99 patents applied in the last 5 years. We discover 103 most active companies in this area. The fast-growing Beijing Yishengyuan Environmental Protection Engineering Co., Ltd., China National Petroleum Corp., China Petroleum & Chemical Corp. take 11.11% of patent filing during this period.
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Henan Sheng, China
Patent: 3
Anhui Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
With the analysis among related 99 patents in last 5 years, we discover 92 new entrants. Beijing Yishengyuan Environmental Protection Engineering Co., Ltd., Zhengzhou Zhitao Information Technology Co., Ltd., CNPC Chuanqing Drilling Engineering Co. Ltd. are the most active new entrants in this area.
Beijing Shi, China
Patent: 4
Henan Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Anhui Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Chongqing Shi, China
Patent: 2
Shandong Sheng, China
Patent: 2
With the analysis among 74 patents, we discovered top 28 universities and scientific research institutions by total patent application. Zibo Vocational, Shandong University of Technology, Chang'an University are dominant in this area. They take 36.49% of the total patent filing.
Shandong Sheng, China
Patent: 15
Shandong Sheng, China
Patent: 7
Shaanxi Sheng, China
Patent: 5
Beijing Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2