With the analysis among 280,282 patents, we discovered top 465 key players by total patent application. State Grid Corp. of China, Panasonic Holdings Corp., Matsushita Electronics Corp. are dominant in this area. They take 7.41% of the total patent filing.
With the analysis among related 90,651 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing State Grid Corp. of China, Guangdong Power Grid Co. Ltd., China Electric Power Research Institute Ltd. take 4.66% of patent filing during this period.
With the analysis among related 90,651 patents in last 5 years, we discover 25 new entrants. Ningbo Geely Automobile Research & Development Co. Ltd., Yangtze Memory Technologies Co., Ltd., Geely Automobile Research Institute (Ningbo) Co., Ltd. are the most active new entrants in this area.
With the analysis among 31,383 patents, we discovered top 336 universities and scientific research institutions by total patent application. Xi'an Jiaotong University, Tsinghua University, North China Electric Power University are dominant in this area. They take 10.32% of the total patent filing.