With the analysis among 59,062 patents, we discovered top 457 key players by total patent application. Panasonic Holdings Corp., Matsushita Electronics Corp., Sony Group Corp. are dominant in this area. They take 11.57% of the total patent filing.
With the analysis among related 8,336 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing State Grid Corp. of China, Murata Manufacturing Co. Ltd., Murata Manufacturing take 3.14% of patent filing during this period.
With the analysis among related 8,336 patents in last 5 years, we discover 129 new entrants. Guangdong Power Grid Co. Ltd., Canon Anelva Corp., Nippon Electric Glass Co., Ltd. are the most active new entrants in this area.
With the analysis among 7,514 patents, we discovered top 356 universities and scientific research institutions by total patent application. Southeast University, University of Electronic Science & Technology of China, Nanjing University of Science & Technology are dominant in this area. They take 6.99% of the total patent filing.