With the analysis among 22,850 patents, we discovered top 446 key players by total patent application. China Petroleum & Chemical Corp., Imperial Chemical Industries Ltd., SINOPEC Engineering (Group) Co., Ltd. are dominant in this area. They take 2.02% of the total patent filing.
With the analysis among related 10,250 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China Petroleum & Chemical Corp., Jiangnan University, South China University of Technology take 1.12% of patent filing during this period.
With the analysis among related 10,250 patents in last 5 years, we discover 232 new entrants. Heilongjiang AnRuijia Petrochemical Co., Ltd., Zhejiang Hongsheng Chemical Co., Ltd., Huaiyin Institute of Technology are the most active new entrants in this area.
With the analysis among 7,057 patents, we discovered top 387 universities and scientific research institutions by total patent application. Fudan University, Tsinghua University, Kunming University of Science & Technology are dominant in this area. They take 4.39% of the total patent filing.