With the analysis among 45,735 patents, we discovered top 461 key players by total patent application. FLSmidth & Co. A/S, NGK Insulators, Ltd., Polysius AG are dominant in this area. They take 3.19% of the total patent filing.
With the analysis among related 20,843 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Tunghsu Optoelectronic Technology Co., Ltd., Guizhou University, Zhongye Changtian International Engineering Co., Ltd. take 1.49% of patent filing during this period.
With the analysis among related 20,843 patents in last 5 years, we discover 167 new entrants. Guangdong Bangpu Recycling Technology Co., Ltd., National Chung-Shan Institute of Science & Technology, Xinjiang Zhongtai Mining & Metallurgy Co., Ltd. are the most active new entrants in this area.
With the analysis among 3,089 patents, we discovered top 294 universities and scientific research institutions by total patent application. Guizhou University, Wuhan University of Technology, Wuhan University of Science & Technology are dominant in this area. They take 9.36% of the total patent filing.