With the analysis among 11,296 patents, we discovered top 469 key players by total patent application. Praxair S.T. Technology, Inc., Air Products & Chemicals, Inc., BOC Ltd. are dominant in this area. They take 17.87% of the total patent filing.
With the analysis among related 3,768 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Praxair S.T. Technology, Inc., Haldor Topsøe A/S, Huaneng Clean Energy Research Institute take 5.52% of patent filing during this period.
With the analysis among related 3,768 patents in last 5 years, we discover 318 new entrants. Ningbo Aux Electric Co. Ltd., Zhejiang Shaoxing Supor Domestic Electrical Appliance Co., Handan Iron & Steel Group Co. Ltd. are the most active new entrants in this area.
With the analysis among 762 patents, we discovered top 164 universities and scientific research institutions by total patent application. Zhejiang University, Xi'an Jiaotong University, North China Electric Power University are dominant in this area. They take 17.32% of the total patent filing.