With the analysis among 75,501 patents, we discovered top 467 key players by total patent application. Siemens AG, Siemens SA, Mitsubishi Kogyo KK are dominant in this area. They take 2.88% of the total patent filing.
With the analysis among related 41,809 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Xi'an Jiaotong University, Xi'an Thermal Power Research Institute Co., Ltd., Huadian Electric Power Research Institute Co., Ltd. take 1.62% of patent filing during this period.
With the analysis among related 41,809 patents in last 5 years, we discover 97 new entrants. Dalian Minzu University, Hepu Energy Environmental Technology Co., Ltd., Vantage Corp. are the most active new entrants in this area.
With the analysis among 10,290 patents, we discovered top 349 universities and scientific research institutions by total patent application. Xi'an Jiaotong University, North China Electric Power University, Tsinghua University are dominant in this area. They take 8.98% of the total patent filing.