With the analysis among 89,866 patents, we discovered top 454 key players by total patent application. China Petroleum & Chemical Corp., Panasonic Holdings Corp., Matsushita Electronics Corp. are dominant in this area. They take 1.79% of the total patent filing.
With the analysis among related 50,362 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Xi'an Jiaotong University, Gree Electric Appliances, Inc. of Zhuhai, Xi'an Thermal Power Research Institute Co., Ltd. take 1.61% of patent filing during this period.
With the analysis among related 50,362 patents in last 5 years, we discover 30 new entrants. Shanxi Diesel Engine Industry Co., Ltd., Guangdong Power Grid Co. Ltd., Hebei Daorong New Energy Technology Co., Ltd. are the most active new entrants in this area.
With the analysis among 21,862 patents, we discovered top 360 universities and scientific research institutions by total patent application. Xi'an Jiaotong University, Tsinghua University, University of Science & Technology Beijing are dominant in this area. They take 6.09% of the total patent filing.