With the analysis among 12,552 patents, we discovered top 463 key players by total patent application. Siemens AG, Siemens SA, M&T Chemicals, Inc. are dominant in this area. They take 2.36% of the total patent filing.
With the analysis among related 2,868 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing KS Gleitlager GmbH, Corning, Inc., Sumitomo Metal Mining Co., Ltd. take 2.16% of patent filing during this period.
With the analysis among related 2,868 patents in last 5 years, we discover 335 new entrants. Ecolab, Inc., Nanjing University of Science & Technology, Fuzhou University are the most active new entrants in this area.
With the analysis among 1,298 patents, we discovered top 269 universities and scientific research institutions by total patent application. Beijing Jiaotong University, Central South University, Shanghai Jiao Tong University are dominant in this area. They take 5.16% of the total patent filing.