With the analysis among 4,063 patents, we discovered top 478 key players by total patent application. Tianchang Runda Metal Antirust Auxiliary Co., Ltd., PetroChina Co., Ltd., China Petroleum & Chemical Corp. are dominant in this area. They take 1.94% of the total patent filing.
Anhui Sheng, China
Patent: 29
Beijing Shi, China
Patent: 28
Beijing Shi, China
Patent: 22
Shandong Sheng, China
Patent: 22
Anhui Sheng, China
Patent: 19
Anhui Sheng, China
Patent: 17
Beijing Shi, China
Patent: 15
Shandong Sheng, China
Patent: 15
Shandong Sheng, China
Patent: 14
New York, United States
Patent: 12
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With the analysis among related 1,727 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China Petroleum & Chemical Corp., Southwest Petroleum University, Chengdu Xinkeli Chemical Technology Co., Ltd. take 1.74% of patent filing during this period.
Beijing Shi, China
Patent: 12
Sichuan Sheng, China
Patent: 10
Sichuan Sheng, China
Patent: 8
Fujian Sheng, China
Patent: 7
Beijing Shi, China
Patent: 7
Yunnan Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 6
Tianjin Shi, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
Shaanxi Sheng, China
Patent: 5
With the analysis among related 1,727 patents in last 5 years, we discover 400 new entrants. Chengdu Xinkeli Chemical Technology Co., Ltd., Rugao Yuetian Special Standard Parts Co., Ltd., Lebi (Guangzhou) Health Industry Co., Ltd. are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 8
Jiangsu Sheng, China
Patent: 5
Guangdong Sheng, China
Patent: 4
Anhui Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Shanxi Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
With the analysis among 1,042 patents, we discovered top 256 universities and scientific research institutions by total patent application. Southwest University, Changzhou University, Southwest Petroleum University are dominant in this area. They take 6.62% of the total patent filing.
Chongqing Shi, China
Patent: 30
Jiangsu Sheng, China
Patent: 20
Sichuan Sheng, China
Patent: 19
Tianjin Shi, China
Patent: 17
Shaanxi Sheng, China
Patent: 16
Shanghai Shi, China
Patent: 12
Shandong Sheng, China
Patent: 12
Jiangsu Sheng, China
Patent: 12
Beijing Shi, China
Patent: 11
Sichuan Sheng, China
Patent: 11