With the analysis among 134 patents, we discovered top 131 key players by total patent application. China Petroleum & Chemical Corp., PetroChina Co., Ltd., China National Petroleum Corp. are dominant in this area. They take 11.94% of the total patent filing.
Beijing Shi, China
Patent: 7
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Henan Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
No data, please try another search term
With the analysis among related 171 patents applied in the last 5 years. We discover 137 most active companies in this area. The fast-growing Sichuan University, Shenzhen University, China Petroleum & Chemical Corp. take 18.13% of patent filing during this period.
Sichuan Sheng, China
Patent: 14
Guangdong Sheng, China
Patent: 11
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Shandong Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
With the analysis among related 171 patents in last 5 years, we discover 124 new entrants. Sichuan University, Shenzhen University, Xi'an Jiaotong University are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 14
Guangdong Sheng, China
Patent: 11
Shaanxi Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
undefined undefined
Patent: 2
Heilongjiang Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
With the analysis among 126 patents, we discovered top 48 universities and scientific research institutions by total patent application. Sichuan University, Shenzhen University, Southwest Petroleum University are dominant in this area. They take 25.40% of the total patent filing.
Sichuan Sheng, China
Patent: 14
Guangdong Sheng, China
Patent: 11
Sichuan Sheng, China
Patent: 7
Shandong Sheng, China
Patent: 6
Zhejiang Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Shandong Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3