With the analysis among 195,169 patents, we discovered top 461 key players by total patent application. State Grid Corp. of China, Mitsubishi Electric Engineering Co., Ltd., Panasonic Holdings Corp. are dominant in this area. They take 5.83% of the total patent filing.
With the analysis among related 78,473 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing State Grid Corp. of China, China Electric Power Research Institute Ltd., Gree Electric Appliances, Inc. of Zhuhai take 4.47% of patent filing during this period.
With the analysis among related 78,473 patents in last 5 years, we discover 12 new entrants. Qingdao Topscomm Communication Co., Ltd., Suzhou Inspur Intelligent Technology Co., Ltd., Guangzhou Chengxing Zhidong Automotive Technology Co., Ltd. are the most active new entrants in this area.
With the analysis among 39,348 patents, we discovered top 363 universities and scientific research institutions by total patent application. Zhejiang University, Southeast University, North China Electric Power University are dominant in this area. They take 8.77% of the total patent filing.