With the analysis among 315 patents, we discovered top 227 key players by total patent application. China Petroleum & Chemical Corp., Shanghai Petrochemical Research Institute of China Petroleum & Chemical Corporation, Sinopec Beijing Research Institute of Chemical Industry are dominant in this area. They take 26.35% of the total patent filing.
Beijing Shi, China
Patent: 48
Shanghai Petrochemical Research Institute of China Petroleum & Chemical Corporation
Shanghai Shi, China
Patent: 13
Beijing Shi, China
Patent: 9
Beijing Shi, China
Patent: 4
Liaoning Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3
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With the analysis among related 88 patents applied in the last 5 years. We discover 71 most active companies in this area. The fast-growing Hangzhou Huaguang Advanced Welding Materials Co., Ltd., Kunming University of Science & Technology, CNBM Environmental Protection Research Institute (Jiangsu) take 7.95% of patent filing during this period.
Zhejiang Sheng, China
Patent: 3
Yunnan Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
With the analysis among related 88 patents in last 5 years, we discover 65 new entrants. Hangzhou Huaguang Advanced Welding Materials Co., Ltd., Kunming University of Science & Technology, CNBM Environmental Protection Research Institute (Jiangsu) are the most active new entrants in this area.
Zhejiang Sheng, China
Patent: 3
Yunnan Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
With the analysis among 111 patents, we discovered top 35 universities and scientific research institutions by total patent application. Sinopec Research Institute of Petroleum Processing, Anhui Normal University, South China University of Technology are dominant in this area. They take 73.87% of the total patent filing.
Beijing Shi, China
Patent: 22
Anhui Sheng, China
Patent: 6
Guangdong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Shanxi Sheng, China
Patent: 2
Yunnan Sheng, China
Patent: 2
Heilongjiang Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1