With the analysis among 6,498 patents, we discovered top 442 key players by total patent application. Koninklijke Philips NV, MediaTek, Inc., Thomson Licensing SAS are dominant in this area. They take 20.84% of the total patent filing.
With the analysis among related 576 patents applied in the last 5 years. We discover 160 most active companies in this area. The fast-growing State Grid Corp. of China, Amethystum Storage Technology Co., Ltd., China Electric Power Research Institute Ltd. take 16.15% of patent filing during this period.
With the analysis among related 576 patents in last 5 years, we discover 105 new entrants. Gree Electric Appliances, Inc. of Zhuhai, State Grid Hunan Electric Power Co., Nanjing University of Science & Technology are the most active new entrants in this area.
With the analysis among 599 patents, we discovered top 133 universities and scientific research institutions by total patent application. Tsinghua University, The Johns Hopkins University, Shanghai Institute of Optics & Fine Mechanics are dominant in this area. They take 16.36% of the total patent filing.