With the analysis among 285,615 patents, we discovered top 471 key players by total patent application. General Electric Co., SNECMA SA, Siemens AG are dominant in this area. They take 13.97% of the total patent filing.
With the analysis among related 95,394 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing General Electric Co., SNECMA SA, Vestas Wind Systems A/S take 6.25% of patent filing during this period.
With the analysis among related 95,394 patents in last 5 years, we discover 40 new entrants. Qingdao Haier Air Conditioning Electronics Co., Ltd., Hisense (Shandong) Air-Conditioning Co., Ltd., Ningbo Aux Electric Co. Ltd. are the most active new entrants in this area.
With the analysis among 23,465 patents, we discovered top 357 universities and scientific research institutions by total patent application. North China Electric Power University, Shanghai Jiao Tong University, Xi'an Jiaotong University are dominant in this area. They take 5.93% of the total patent filing.