With the analysis among 229,325 patents, we discovered top 442 key players by total patent application. Halliburton Energy Services, Inc., FLSmidth & Co. A/S, Mitsubishi Materials Corp. are dominant in this area. They take 3.40% of the total patent filing.
With the analysis among related 99,338 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Halliburton Energy Services, Inc., Southeast University, Saudi Arabian Oil Co. take 1.04% of patent filing during this period.
With the analysis among related 99,338 patents in last 5 years, we discover 42 new entrants. Guangdong Power Grid Co. Ltd., Guangdong Bright Dream Robotics Co., Ltd, Huixian Mengdian Group Cement Corp. Ltd. are the most active new entrants in this area.
With the analysis among 30,956 patents, we discovered top 378 universities and scientific research institutions by total patent application. Southeast University, Wuhan University of Technology, Tongji University are dominant in this area. They take 5.55% of the total patent filing.