With the analysis among 522,509 patents, we discovered top 468 key players by total patent application. Mitsubishi Electric Engineering Co., Ltd., Panasonic Holdings Corp., Matsushita Electronics Corp. are dominant in this area. They take 5.39% of the total patent filing.
With the analysis among related 117,500 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing State Grid Corp. of China, Mitsubishi Electric Engineering Co., Ltd., Robert Bosch Corp. take 3.63% of patent filing during this period.
With the analysis among related 117,500 patents in last 5 years, we discover 4 new entrants. Yangtze Memory Technologies Co., Ltd., Guangzhou Chengxing Zhidong Automotive Technology Co., Ltd., Southchip Semiconductor Technology (Shanghai) Co Ltd. are the most active new entrants in this area.
With the analysis among 49,679 patents, we discovered top 341 universities and scientific research institutions by total patent application. Tsinghua University, North China Electric Power University, Xi'an Jiaotong University are dominant in this area. They take 7.11% of the total patent filing.