With the analysis among 54,914 patents, we discovered top 476 key players by total patent application. Panasonic Holdings Corp., Matsushita Electronics Corp., Robert Bosch GmbH are dominant in this area. They take 3.46% of the total patent filing.
With the analysis among related 21,067 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Xi'an Thermal Power Research Institute Co., Ltd., Gree Electric Appliances, Inc. of Zhuhai, Robert Bosch Corp. take 1.22% of patent filing during this period.
With the analysis among related 21,067 patents in last 5 years, we discover 131 new entrants. Hebei Daorong New Energy Technology Co., Ltd., Brava Home, Inc., Ningbo Fotile Kitchenware Co. Ltd. are the most active new entrants in this area.
With the analysis among 6,602 patents, we discovered top 364 universities and scientific research institutions by total patent application. Tsinghua University, Tianjin University, North China Electric Power University are dominant in this area. They take 5.10% of the total patent filing.