With the analysis among 1,918 patents, we discovered top 473 key players by total patent application. China Petroleum & Chemical Corp., EIDP, Inc., Dalian Petrochemical Research Institute of China Petrochemical Corporation are dominant in this area. They take 3.96% of the total patent filing.
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 42
Delaware, United States
Patent: 17
Dalian Petrochemical Research Institute of China Petrochemical Corporation
Liaoning Sheng, China
Patent: 14
Chengkang Material Technology Co., Ltd.
Shanghai Shi, China
Patent: 11
Wuhan Kaidi Engineering Research Institute Co. Ltd.
Hubei Sheng, China
Patent: 10
Shanxi Xinhua Chemical Defense Equipment Research Institute Co., Ltd.
Shanxi Sheng, China
Patent: 10
Anhui Baihe Environmental Protection Technology Co., Ltd.
Anhui Sheng, China
Patent: 9
Shanxi Shunfuxiang Environmental Protection Technology Co., Ltd.
Shanxi Sheng, China
Patent: 9
Ohio, United States
Patent: 7
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
With the analysis among related 1,724 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China Petroleum & Chemical Corp., Zhejiang University of Technology, Dalian University of Technology take 2.61% of patent filing during this period.
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 18
Zhejiang University of Technology
Zhejiang Sheng, China
Patent: 15
Dalian University of Technology
Liaoning Sheng, China
Patent: 12
Dalian Petrochemical Research Institute of China Petrochemical Corporation
Liaoning Sheng, China
Patent: 11
Shandong Sheng, China
Patent: 11
Chengkang Material Technology Co., Ltd.
Shanghai Shi, China
Patent: 11
Taiyuan University of Technology
Shanxi Sheng, China
Patent: 10
Jiangsu Sheng, China
Patent: 10
Anhui Baihe Environmental Protection Technology Co., Ltd.
Anhui Sheng, China
Patent: 9
Energy Research Institute of Hebei Academy of Sciences
Hebei Sheng, China
Patent: 9
With the analysis among related 1,724 patents in last 5 years, we discover 416 new entrants. Zhejiang University of Technology, Chengkang Material Technology Co., Ltd., Anhui Baihe Environmental Protection Technology Co., Ltd. are the most active new entrants in this area.
Zhejiang University of Technology
Zhejiang Sheng, China
Patent: 15
Chengkang Material Technology Co., Ltd.
Shanghai Shi, China
Patent: 11
Anhui Baihe Environmental Protection Technology Co., Ltd.
Anhui Sheng, China
Patent: 9
Shanxi Shunfuxiang Environmental Protection Technology Co., Ltd.
Shanxi Sheng, China
Patent: 9
Guilin University of Technology
Guangxi Zhuangzu Zizhiqu, China
Patent: 9
Institute of Agricultural Environment and Sustainable Development, Chinese Academy of Agricultural Sciences
undefined undefined
Patent: 8
Nanjing University of Technology
Jiangsu Sheng, China
Patent: 7
Inner Mongolia Puruifen Environmental Protection Technology Co., Ltd.
Nei Mongol Zizhiqu, China
Patent: 7
Thomas Jefferson University
Pennsylvania, United States
Patent: 7
Zhongxin Environmental Protection Technology Co., Ltd.
Nei Mongol Zizhiqu, China
Patent: 6
With the analysis among 999 patents, we discovered top 233 universities and scientific research institutions by total patent application. Nanjing Forestry University, Taiyuan University of Technology, Sinopec Research Institute of Petroleum Processing are dominant in this area. They take 7.61% of the total patent filing.
Nanjing Forestry University
Jiangsu Sheng, China
Patent: 18
Taiyuan University of Technology
Shanxi Sheng, China
Patent: 17
Sinopec Research Institute of Petroleum Processing
Beijing Shi, China
Patent: 17
Zhejiang University of Technology
Zhejiang Sheng, China
Patent: 15
Shandong Sheng, China
Patent: 14
Jiangsu Sheng, China
Patent: 13
Zhejiang Sheng, China
Patent: 12
China University of Petroleum (East China)
Shandong Sheng, China
Patent: 12
Kunming University of Science & Technology
Yunnan Sheng, China
Patent: 12
South China University of Technology
Guangdong Sheng, China
Patent: 11