With the analysis among 447 patents, we discovered top 350 key players by total patent application. PetroChina Co., Ltd., Wuhu Huiyu Trading Co., Ltd., Hua Nuo Environmental Protection Co., Ltd. are dominant in this area. They take 6.26% of the total patent filing.
Beijing Shi, China
Patent: 13
Anhui Sheng, China
Patent: 9
Shaanxi Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 6
Guangdong Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 4
Anhui Sheng, China
Patent: 4
Dongguan Weihua Biotechnology Co., Ltd.
Guangdong Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
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With the analysis among related 152 patents applied in the last 5 years. We discover 136 most active companies in this area. The fast-growing Dongguan Weihua Biotechnology Co., Ltd., Hubei Haixiang Technology Co., Ltd., PetroChina Co., Ltd. take 6.58% of patent filing during this period.
Dongguan Weihua Biotechnology Co., Ltd.
Guangdong Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Henan Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Hubei Sheng, China
Patent: 2
With the analysis among related 152 patents in last 5 years, we discover 123 new entrants. Dongguan Weihua Biotechnology Co., Ltd., Hubei Haixiang Technology Co., Ltd., China Petroleum & Chemical Corp. are the most active new entrants in this area.
Dongguan Weihua Biotechnology Co., Ltd.
Guangdong Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Henan Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Hubei Sheng, China
Patent: 2
Anhui Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
With the analysis among 56 patents, we discovered top 27 universities and scientific research institutions by total patent application. Southwest Petroleum University, Xi'an University of Technology, Zhejiang Ocean University are dominant in this area. They take 21.43% of the total patent filing.
Sichuan Sheng, China
Patent: 6
Shaanxi Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Anhui Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1