With the analysis among 21 patents, we discovered top 19 key players by total patent application. PetroChina Co., Ltd., China Petroleum & Chemical Corp., Guangdong Guangyu Technology Development Co., Ltd. are dominant in this area. They take 47.62% of the total patent filing.
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Gyeonggi-do, South Korea
Patent: 1
Ningxia Huizi Zizhiqu, China
Patent: 1
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With the analysis among related 44 patents applied in the last 5 years. We discover 33 most active companies in this area. The fast-growing PetroChina Co., Ltd., Yangtze University, Anhui University of Science & Technology take 29.55% of patent filing during this period.
Beijing Shi, China
Patent: 5
Hubei Sheng, China
Patent: 4
Anhui Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
Gansu Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 1
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Patent: 1
Ningxia Huizi Zizhiqu, China
Patent: 1
With the analysis among related 44 patents in last 5 years, we discover 30 new entrants. Yangtze University, Anhui University of Science & Technology, Xi'an Shiyou University are the most active new entrants in this area.
Hubei Sheng, China
Patent: 4
Anhui Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
Gansu Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 1
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Patent: 1
Ningxia Huizi Zizhiqu, China
Patent: 1
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Patent: 1
With the analysis among 28 patents, we discovered top 15 universities and scientific research institutions by total patent application. Yangtze University, Anhui University of Science & Technology, Xi'an Shiyou University are dominant in this area. They take 39.29% of the total patent filing.
Hubei Sheng, China
Patent: 4
Anhui Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
Gansu Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Shandong Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Hebei Sheng, China
Patent: 1