With the analysis among 74 patents, we discovered top 62 key players by total patent application. China Petroleum & Chemical Corp., PetroChina Co., Ltd., China National Petroleum Corp. are dominant in this area. They take 13.51% of the total patent filing.
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Iowa, United States
Patent: 3
Hebei Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 2
Nei Mongol Zizhiqu, China
Patent: 2
Liaoning Sheng, China
Patent: 2
Xinjiang Uygur Zizhiqu, China
Patent: 2
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With the analysis among related 47 patents applied in the last 5 years. We discover 35 most active companies in this area. The fast-growing Shijiazhuang Shuangjian Tools Co., Ltd., Ningbo University, Henan Dongfang Hengye Petroleum Technology Co., Ltd. take 14.89% of patent filing during this period.
Hebei Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 2
Henan Dongfang Hengye Petroleum Technology Co., Ltd.
Henan Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Sinopec Southwest Oil & Gas Co
Sichuan Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Nei Mongol Zizhiqu, China
Patent: 1
Yunnan Sheng, China
Patent: 1
With the analysis among related 47 patents in last 5 years, we discover 33 new entrants. Shijiazhuang Shuangjian Tools Co., Ltd., Ningbo University, Henan Dongfang Hengye Petroleum Technology Co., Ltd. are the most active new entrants in this area.
Hebei Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 2
Henan Dongfang Hengye Petroleum Technology Co., Ltd.
Henan Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Sinopec Southwest Oil & Gas Co
Sichuan Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Nei Mongol Zizhiqu, China
Patent: 1
Yunnan Sheng, China
Patent: 1
Heilongjiang Sheng, China
Patent: 1
With the analysis among 25 patents, we discovered top 10 universities and scientific research institutions by total patent application. Southwest Petroleum University, Ningbo University, Xi'an University of Architecture & Technology are dominant in this area. They take 32.00% of the total patent filing.
Sichuan Sheng, China
Patent: 4
Zhejiang Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Liaoning Sheng, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Chongqing Shi, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1