With the analysis among 9,567 patents, we discovered top 467 key players by total patent application. Panasonic Holdings Corp., Matsushita Electronics Corp., Canon, Inc. are dominant in this area. They take 11.61% of the total patent filing.
With the analysis among related 1,598 patents applied in the last 5 years. We discover 436 most active companies in this area. The fast-growing Toyobo Co., Ltd., Nihon Denso KK, Gree Electric Appliances, Inc. of Zhuhai take 3.94% of patent filing during this period.
With the analysis among related 1,598 patents in last 5 years, we discover 259 new entrants. Haier Smart Home Co., Ltd., Tokamak Energy Ltd., Guangdong Midea Refrigeration Equipment Co., Ltd. are the most active new entrants in this area.
With the analysis among 927 patents, we discovered top 181 universities and scientific research institutions by total patent application. Tsinghua University, Guangxi University, Xi'an Jiaotong University are dominant in this area. They take 7.34% of the total patent filing.