With the analysis among 15,532 patents, we discovered top 470 key players by total patent application. Panasonic Holdings Corp., Matsushita Electronics Corp., TOSHIBA Corp. are dominant in this area. They take 9.30% of the total patent filing.
With the analysis among related 6,227 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Gree Electric Appliances, Inc. of Zhuhai, Midea Group Co. Ltd., Foshan Shunde Midea Electrical Heating Appliances Manufacturin take 2.42% of patent filing during this period.
With the analysis among related 6,227 patents in last 5 years, we discover 284 new entrants. Shanxi Diesel Engine Industry Co., Ltd., Hebei Puyang Iron & Steel Co. Ltd., Handan Iron & Steel Group Co. Ltd. are the most active new entrants in this area.
With the analysis among 1,432 patents, we discovered top 325 universities and scientific research institutions by total patent application. University of Science & Technology Beijing, Zhejiang University, Northeastern University are dominant in this area. They take 4.54% of the total patent filing.