With the analysis among 4,191 patents, we discovered top 457 key players by total patent application. Carl Freudenberg, Buckman Laboratories International, Inc., N. Schlumberger SAS are dominant in this area. They take 4.80% of the total patent filing.
With the analysis among related 1,370 patents applied in the last 5 years. We discover 174 most active companies in this area. The fast-growing Carl Freudenberg, Jihua 3542 Textile Co., Ltd., Eurofilters take 2.48% of patent filing during this period.
With the analysis among related 1,370 patents in last 5 years, we discover 125 new entrants. Têxteis Penedo SA, Fujian Huafeng New Material Co., Ltd., Zhongyuan University of Technology are the most active new entrants in this area.
With the analysis among 1,253 patents, we discovered top 156 universities and scientific research institutions by total patent application. Kostroma State Technological University, Saint Petersburg State University of Technology & Design, Jiangnan University are dominant in this area. They take 7.74% of the total patent filing.